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  • 1
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    The @photogrammetric record 15 (1997), S. 0 
    ISSN: 1477-9730
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Architecture, Civil Engineering, Surveying
    Notes: This paper explores the potential of a digital camera to produce multiple images suitable for plotting. The objective was to build a three dimensional database by linking triangulated images from a Kodak DCS420 digital camera with a computer aided measurement system. The system then supplied X, Y, Z data from x, y image co-ordinates captured off two or more images. Relative accuracy in object space was around 1;50 000.
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  • 2
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    The @photogrammetric record 19 (2004), S. 0 
    ISSN: 1477-9730
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Architecture, Civil Engineering, Surveying
    Notes: The paper presents a straightforward method of calculating approximate orientation parameters (six degrees of freedom) of a known targeted object relative to a single calibrated camera. These can then initialise an optimised non-linear calculation of the same parameter values. The method uses the mathematics of a scaled parallel projection and is particularly suited to narrow angle images obtained using a telescope, telephoto or zoom lens. However, the method can also be used with cameras having wider fields of view provided the target group occupies a moderately small part of the image.
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  • 3
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    The @photogrammetric record 19 (2004), S. 0 
    ISSN: 1477-9730
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Architecture, Civil Engineering, Surveying
    Notes: This paper describes three mathematical modelling methods for high-resolution declassified CORONA KH-4B images. Since CORONA images are collected with a panoramic camera, several types of geometric distortions are involved. Two methods use the modified collinearity equations, and the third involves the terrain-dependent rational function model (RFM) which is considered to be a generic sensor model. Comparative analysis of the three mathematical modelling methods is undertaken. The results show that a ± 1·5 pixels level of horizontal and vertical accuracy can be obtained. A digital elevation model (DEM) of a test site is also created.
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  • 4
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    The @photogrammetric record 15 (1997), S. 0 
    ISSN: 1477-9730
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Architecture, Civil Engineering, Surveying
    Notes: For centuries the ruins of Stonehenge have proved to be both a source of fascination and mystery for the many visitors to this World Heritage Site. The monument itself sets a puzzle that even to this day has not been solved, although there have been numerous theories suggested as to its construction. There is little accurate survey data currently available on the stones themselves, against which these many theories could be tested. The Photogrammetric Unit of English Heritage was therefore requested, in 1993, to commence a project to digitally map all the external faces of all the stones that form the visible remains of this internationally important monument. Photogrammetry was the chosen survey technique and this paper outlines the work of the Unit in using the latest digital photogrammetric equipment to generate a basic three dimensional model of Stonehenge.
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  • 5
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    The @photogrammetric record 15 (1997), S. 0 
    ISSN: 1477-9730
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Architecture, Civil Engineering, Surveying
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  • 6
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    The @photogrammetric record 15 (1997), S. 0 
    ISSN: 1477-9730
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Architecture, Civil Engineering, Surveying
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  • 7
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    The @photogrammetric record 15 (1997), S. 0 
    ISSN: 1477-9730
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Architecture, Civil Engineering, Surveying
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  • 8
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    The @photogrammetric record 15 (1997), S. 0 
    ISSN: 1477-9730
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Architecture, Civil Engineering, Surveying
    Notes: The XVIIIth International Congress of Photogrammetry and Remote Sensing was held in the Austria Center, Vienna from 9th to 19th July, 1996. Reports on the Technical Commission Activities, on the Congress Exhibition and on the General Assembly were given at a meeting of the Photogrammetric Society on 7th October, 1996. Papers from the Congress were published in the International Archives of Photogrammetry and Remote Sensing, 31.
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  • 9
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    The @photogrammetric record 15 (1997), S. 0 
    ISSN: 1477-9730
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Architecture, Civil Engineering, Surveying
    Notes: The paper deals with the determination of the metric quality of a 409634096 pixel high resolution digital camera back achieved from testfield measurements.
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  • 10
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    The @photogrammetric record 15 (1997), S. 0 
    ISSN: 1477-9730
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Architecture, Civil Engineering, Surveying
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  • 11
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    The @photogrammetric record 15 (1997), S. 0 
    ISSN: 1477-9730
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Architecture, Civil Engineering, Surveying
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  • 12
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    The @photogrammetric record 9 (1979), S. 0 
    ISSN: 1477-9730
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Architecture, Civil Engineering, Surveying
    Notes: The development of the Analytical Photogrammetry Compiler (APC) is traced and a detailed description is given of the component parts of the AP/C-4.〈section xml:id="abs1-2"〉〈title type="main"〉RésuméOn retrace le developpement du restituteur analytique (APC) et on donne une description detaillée des composants du AP/C-4.〈section xml:id="abs1-3"〉〈title type="main"〉Zusammenfassung Skizzierung des Analytical Photogrammetry Compiler (APC) und detaillierte Beschreibung der Hauptbaugruppen der AP/C-4.
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  • 13
    Electronic Resource
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    Oxford, UK : Blackwell Publishing Ltd
    The @photogrammetric record 9 (1979), S. 0 
    ISSN: 1477-9730
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Architecture, Civil Engineering, Surveying
    Notes: The fifth biennial symposium of the Photogrammetric Society was held at the University of Birmingham on 6th to 8th April. It has been decided to perpetuate the memory of E. H. Thompson by giving his name to the series of symposia which originated at Birmingham in 1971 Eight papers were delivered to the 1979 symposium. They covered a wide variety of topics which included, in addition to a review of Thompson's own contribution to analytical photogrammetry, a modern approach to the handling of parallax measurements; aspects of digitising; low cost automatic contouring; high energy roentgen photogrammetry; applications in anatomy; the photogrammetric operator's point of view; and cadastral surveys. The majority of the papers are published in this issue of The Photogrammetric Record.〈section xml:id="abs1-2"〉〈title type="main"〉RésuméLe cinquième symposium biennal de la Société de Photogrammétrie s'est dérouléà l'université de Birmingham du 6 au 8 Avril. On décida de perpétuer le souvenir de E. H. Thompson en donnant son nom à la série de symposiums inaugurée à Birmingham en 1971 Huit communications ont été présentées au symposium de 1979. Elles concernaient une grande diversité de sujets qui comprenaient, en plus d'une revue de la contribution de Thompson à la photogrammétrie analytique, une methode moderne de mesure de parallaxe; des aspects de la transformation digitale; une visée automatique à bas prix; la photogrammétrie Roentgen à grande energie; des applications en anatomie; le point de vue de l'opérateur en photogrammétrie; et des cadastres. La majorité des communications sont publicées dans ce numéro de The Photogrammetric Record.〈section xml:id="abs1-3"〉〈title type="main"〉Zusammenfassung Das 5. im Abstand von zwei Jahren von der Photogrammetric Society veranstaltete Symposium fand vom 6. bis 8. April an der Universität Birmingham statt. Es wurde beschlossen, in ehrendem Gedenken Prof. Thompsons seinen Namen dieser Serie von Symposien, die 1971 in Birmingham begonnen hat, zu geben.Auf dem Symposium 1979 wurden 8 Vorträge gehalten. Sie beinhalten ein breites Themenspektrum, darunter ergänzend zu einem äberblick über den Beitrag Thompsons zur analytischen Photogrammetrie, eine moderne Lösung zur Verarbeitung von Parallaxenmessungen, Aspekte der Digital-isierung, eine kostengünstige automatische Höhenlinienentwicklung, Röntgen-photogrammetrie, Anwendungen in der Anatomie, der Standpunkt des photogrammetrischen Auswerters und Katastermessungen. Die Mehrzahl der Beiträge wird in dieser Ausgabe des Photogrammetric Record veröffentlicht.
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  • 14
    Electronic Resource
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    Oxford, UK : Blackwell Publishing Ltd
    The @photogrammetric record 9 (1979), S. 0 
    ISSN: 1477-9730
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Architecture, Civil Engineering, Surveying
    Notes: As part of his comprehensive analysis of cadastral surveys within the British Commonwealth (Dale, 1976), the author considered the contribution of aerial photography and photogrammetric surveys to this aspect of land administration. In this paper, he examines that contribution and underlines the limitations of photogrammetry as a cadastral survey method.〈section xml:id="abs1-2"〉〈title type="main"〉Résumé L'auteur extrait de l'étude exhaustive qu'il a faite du levé cadastral dans le Commonwealth (Dale, 1976) tout ce qui a rapport à la photogrammétrie: contribution et limitations.〈section xml:id="abs1-3"〉〈title type="main"〉ZusammenfassungIn seiner umfassenden Analyse von Katastermessungen (Dale, 1976) betrachtete der Autor den Beitrag der Aerophotogrammetrie und photo-grammetrischer Messungen für die Landeinrichtung. In der vorliegenden Arbeit werden diese Ausführungen überpruft und in diesem Zusammenhang die Grenzen der Photogrammetrie herausgearbeitet.
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  • 15
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    Oxford, UK : Blackwell Publishing Ltd
    The @photogrammetric record 18 (2003), S. 0 
    ISSN: 1477-9730
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Architecture, Civil Engineering, Surveying
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  • 16
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    Oxford, UK : Blackwell Publishing Ltd
    The @photogrammetric record 18 (2003), S. 0 
    ISSN: 1477-9730
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Architecture, Civil Engineering, Surveying
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  • 17
    Electronic Resource
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    Oxford, UK : Blackwell Publishing Ltd
    The @photogrammetric record 18 (2003), S. 0 
    ISSN: 1477-9730
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Architecture, Civil Engineering, Surveying
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  • 18
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    The @photogrammetric record 9 (1979), S. 0 
    ISSN: 1477-9730
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Architecture, Civil Engineering, Surveying
    Notes: A simple method is described for calibrating cameras at object distances of less than 0·5 m.〈section xml:id="abs1-2"〉〈title type="main"〉RésuméOn décrit une méthode simple pour calibrer les appareils de photographie pour des objets à des distances de moins de 0·5 m.〈section xml:id="abs1-3"〉〈title type="main"〉ZusammenfassungBeschreibung eines einfachen Verfahrens zur Kammerkalibrierung für Aufnahmeentfernungen von weniger als 0·5 m.
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  • 19
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    The @photogrammetric record 9 (1979), S. 0 
    ISSN: 1477-9730
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Architecture, Civil Engineering, Surveying
    Notes: Book Reviewed in this article:CHARTERED LAND SURVEYOR/CHARTERED MINERALS SURVEYOR, Volume 1, Number 1, Spring 1979. Edited by M. Hanson.STUDENT MAP PACK. Dissected highland area: Maesteg, South Wales (Educational Map Series No. 10A). Industrial area: Washington New Town (Educational Map Series No. 11A).PHOTOGRAPHIC TECHNIQUES IN SCIENTIFIC RESEARCH, Volume 3. Edited by A. A. Newman.THE CAMERA AT WAR. By J. Lewinski.RECOGNITION OF TREE SPECIES ON AERIAL PHOTOGRAPHS. By L. Sayn-Wittgenstein.
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  • 20
    Electronic Resource
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    Oxford, UK : Blackwell Publishing Ltd
    The @photogrammetric record 9 (1979), S. 0 
    ISSN: 1477-9730
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    Topics: Architecture, Civil Engineering, Surveying
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  • 21
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    The @photogrammetric record 9 (1979), S. 0 
    ISSN: 1477-9730
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Architecture, Civil Engineering, Surveying
    Notes: Three investigations of the suitability of photogrammetry as a method of measurement are described, in the fields of marine, mechanical and structural engineering. Analytical solutions for a single model, a strip and a block of photographs are discussed.〈section xml:id="abs1-2"〉〈title type="main"〉RésuméOn décrit trois tentatives de recours à la photogrammétrie en métrologie industrielle, dans les industries de la marine, de la mécanique, et des structures métalliques. On discute l'intérêt des solutions analytiques pour le couple, la bande ou le bloc de photos.〈section xml:id="abs1-3"〉〈title type="main"〉ZusammenfassungBeschreibung von drei Untersuchungen bezüglich Eignung der Photogrammetrie als Messverfahren im Schiffbau, im Maschinenbau und im Bauwesen. Diskussion analytischer Lösungen für das Einzelmodell, die Bildreihe und den Block.
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  • 22
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    Oxford, UK : Blackwell Publishing Ltd
    The @photogrammetric record 9 (1979), S. 0 
    ISSN: 1477-9730
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Architecture, Civil Engineering, Surveying
    Notes: The concept of optimum interpolation is briefly explained. The use of polynomial and non-polynomial stepwise regression for obtaining optimum or near optimum interpolation is illustrated. Least squares collocation is presented as an advanced method for optimising stepwise regression whenever the latter does not achieve desired optimum interpolation for given terrain. A Fortran IV program, written to illustrate an optimum interpolation algorithm using stepwise regression and collocation, is found to produce better results than existing interpolation methods. Other applications of such an algorithm are also discussed.〈section xml:id="abs1-2"〉〈title type="main"〉RésuméOn expose brièvement le concept d'interpolation optimale, ainsi que les méthodes d'approximation polynomials ou autres qui permettent de la réaliser localement au mieux. On présente la collocation comme une méthode permettant de parachever l'interpolation; on a trouvé effectivement, avec un programme écrit en Fortran IV, que les résultats obtenus ainsi étaient meilleurs. On envisage aussi d'autre types d'applications de cet algorithme.〈section xml:id="abs1-3"〉〈title type="main"〉ZusammenfassungKurze Erläuterung des Begriffs der optimalen Interpolation. Skizzierung der Anwendung von schrittweiser Regression mit Hilfe von Polynomen oder anderen Verfahren zur Ermittlung optimaler oder genähert optimaler Inter-polationen. Die Kollokation nach kleinsten Quadraten wird als verbesserte Methode zur Optimierung der schrittweisen Regression dargestellt, wenngleich letztere keine optimale Interpolation für ein gegebenes Gelände liefert. Ein Rechenprogramm in Fortran IV, das zur Veranschaulichung eines optimalen Interpolations-Algorithmus mit Hilfe der schrittweisen Regression und Kollokation geschrieben wurde, lieferte bessere Ergebnisse als vorhandene Interpolationsmethoden. Andere Anwendungen eines solchen Algorithmus werden ebenfalls erörtert.
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  • 23
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    Oxford, UK : Blackwell Publishing Ltd
    The @photogrammetric record 9 (1979), S. 0 
    ISSN: 1477-9730
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    Topics: Architecture, Civil Engineering, Surveying
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  • 24
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    Oxford, UK : Blackwell Publishing Ltd
    The @photogrammetric record 9 (1979), S. 0 
    ISSN: 1477-9730
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  • 25
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    Oxford, UK : Blackwell Publishing Ltd
    The @photogrammetric record 9 (1979), S. 0 
    ISSN: 1477-9730
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  • 26
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    Oxford, UK : Blackwell Publishing Ltd
    The @photogrammetric record 9 (1979), S. 0 
    ISSN: 1477-9730
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  • 27
    ISSN: 1477-9730
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Architecture, Civil Engineering, Surveying
    Notes: A panel of speakers, knowledgeable in the problems of photogrammetry in the Third World, led a discussion which considered the place of sophisticated photogrammetric equipment in the Third World, problems of technician and management training, the desire for self reliance, and the needs of map revision.〈section xml:id="abs1-2"〉〈title type="main"〉RésuméUne confrontation entre photogrammètres sur le sujet photogrammétrie et tiers-monde; équipement, instruction des techniciens, problèmes d'organisation, désir d'autonomie, révision des cartes.〈section xml:id="abs1-3"〉〈title type="main"〉ZusammenfassungEin Forum von Kennern der Probleme der Dritten Welt führte eine Diskussion über den Platz moderner Geräteausrüstungen in diesen Ländern, über Probleme der Ausbildung von Technikern und Führungskadern und erörterte den Wunsch nach Selbstbestätigung und die Notwendigkeit zur Laufendhaltung von Karten.
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  • 28
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    Oxford, UK : Blackwell Publishing Ltd
    The @photogrammetric record 9 (1978), S. 0 
    ISSN: 1477-9730
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Architecture, Civil Engineering, Surveying
    Notes: The problems associated with the depiction of a particular irrigation area by both line map and orthophotomap are described and the results compared.〈section xml:id="abs1-2"〉〈title type="main"〉RésuméDes problèmes soulevés par la description d'une aire d'irrigation à l'aide d'une carte ou d'une ortho-photocarte: comparaison des résultats.〈section xml:id="abs1-3"〉〈title type="main"〉ZusammenfassungBeschreibung der Probleme, die bei Auswahl sines Bewässerungsgebietes an Hand von Strich- und Orthophotokarten auftraten und Vergleich der Ergebnisse.
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  • 29
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    Oxford, UK : Blackwell Publishing Ltd
    The @photogrammetric record 9 (1978), S. 0 
    ISSN: 1477-9730
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Architecture, Civil Engineering, Surveying
    Notes: In 1981, a metric camera will be launched into space on a European Space Agency Spacelab mission. This paper examines the specification for this mission and the expected results. Other developments are also considered. These include the American large format camera and long focal length imaging systems.〈section xml:id="abs1-2"〉〈title type="main"〉RésuméEn 1981, une chambre métrique sera lancée dans l'espace (mission Spacelab de l'organisation européenne spatiale). On examine ici les buts et les résultats attendus, ainsi que de futurs développements; chambre américaine à grand format, systèmes à longues focales.〈section xml:id="abs1-3"〉〈title type="main"〉ZusammenfassungIm Jahre 1981 soll sich an Bord des Europäischen Spacelab-Satelliten eine Messkammer befinden. Im Artikel werden die Anforderungen an dieses Projekt und die zu erwartenden Ergebnisse diskutiert. Desgleichen werden auch andere Entwicklungen, worunter sich die amerikanische Grossformat-Kammer und langbrennweitige Systeme befinden, erörtert.
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  • 30
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    Oxford, UK : Blackwell Publishing Ltd
    The @photogrammetric record 9 (1978), S. 0 
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  • 31
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    The @photogrammetric record 9 (1978), S. 0 
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  • 32
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    The @photogrammetric record 9 (1978), S. 0 
    ISSN: 1477-9730
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Architecture, Civil Engineering, Surveying
    Notes: Many attempts have been made to use various types of photography for traffic studies. The problems most frequently encountered are the expense involved in obtaining the photography and the time consuming and, hence, expensive operation of collecting the required data from the photography. This paper discusses the problems associated with various types of photography and describes a study which has been carried out to evaluate the potential of 16 mm and 35 mm time lapse photography taken from a helicopter. The accuracy of two dimensional co-ordinate transformation systems for collecting the required data from the photography is also described. Finally, recommendations are made regarding the most suitable type of photography and the most convenient and accurate transformation system to use when it is required to analyse the traffic flow data at complex urban and suburban intersections.〈section xml:id="abs1-2"〉〈title type="main"〉RésuméBeaucoup de tentatives ont déjàété faites pour étudier les problèmes de circulation par photographie: les difficultés sont le coût de la photographie, les délais d'obtention et le coût du dépouillement. On examine ici les possibilités offertes par divers types de photographies et on donne les résultats d'une étude entreprise pour évaluer l'intérêt de la solution; camera 16 mm ou 35 mm plus hélicoptère. On précise ici l'exactitude requise pour les transformations de coordonnées. On conclut par toute une série de recommandations.〈section xml:id="abs1-3"〉〈title type="main"〉ZusammenfassungEs gibt sehr viele Versuche zur Verwendung verschiedener Arten der Photographie für Verkehrsstudien. Die am häufigsten auftretenden Probleme sind die Kosten und der Zeitaufwand der Photographie, wodurch die Datenerfassung aus Photos teuer wird. Im Artikel werden die Probleme beschrieben, die bei Anwendung verschiedener photographischer Aufnahmen auftraten. Ferner wird ein Versuch mit 16 mm und 35 mm Zeitrafferaufnahmen aus dem Hubschrauber erörtert. Beschreibung der Genauigkeit zweidimensionaler Koordinatentransformationen zur Ermittlung der gewünschten Daten aus Photos. Abschliessend werden Empfehlungen bezüglich der am besten geeigneten photographischen Methode und zur Transformation der Daten gegeben, wenn Verkehrsströme an komplexen Kreuzungen in Städten und Vororten analysiert werden sollen.
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    The @photogrammetric record 18 (2003), S. 0 
    ISSN: 1477-9730
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    Topics: Architecture, Civil Engineering, Surveying
    Notes: Digital photogrammetry and softcopy workstations have added a new dimension to aerial triangulation, and some of the previously manual procedures are now available in automated form. Also, commercial software packages for automatic aerial triangulation came on to the market in the last decade. In this study, the results of automatic aerial triangulation using four triangulation software packages, Z/I Imaging's MATCH-AT (ISMAT) and ISAT, LH Systems’ MST and VirtuoZo AAT, are presented. For the comparison of the results of the tie point extraction and the bundle block adjustment for triangulation, a sub-block from the Uster block in Switzerland was selected and used. Differences between these software packages are discussed with respect to their functionality and performance in detail. The achieved standard deviation of image coordinates varies between 0·2 and 0·5 pixel for the systems tested. The more signalised control points and check points to be used, the better the σ0 estimate which could be expected. The average number of extracted tie points varied from system to system with respect to the matching method and the resolution of the images used in the programs. The digital aerial triangulation of the Uster sub-block was faster than analytical triangulation and the elapsed time for triangulation of one image using different systems varies between about 0·5 and 6 min. Nevertheless, results also show that automated aerial triangulation is still prone to error in all systems. Image matching produces many blunders, which can only be handled efficiently by using a sophisticated blunder detection procedure, as is available with robust estimation. This is not the case for all the systems tested, however. There still remains a lot to be done in terms of development (improvement of matching, for example, by integrating robust estimation for error detection at an early stage, implementation of on-line triangulation, better internal quality control procedures, more transparent and simple user interfaces and more useful information for the user with better software manuals). However, it was shown that automatic aerial triangulation provides higher redundancy and reliability of results and much more economical photogrammetric practice than ever before.
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    The @photogrammetric record 9 (1978), S. 0 
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    Notes: On 17th January, 1978, the Secretary of State for the Environment announced the establishment of a Committee, chaired by Sir David Serpell, with the following terms of reference: “Taking account of the views of users and other interested parties, in the context of national surveying and mapping needs, to consider and make recommendations about the longer term policies and activities of the Ordnance Survey and ways of financing them.” Interested organisations, among them The Photogrammetric Society, were invited to submit evidence to the Committee. The Society's submission is reproduced in full. The Secretary of State has asked the Committee to report, if possible, early in 1979.〈section xml:id="abs1-2"〉〈title type="main"〉SummaryAs has been stated the national survey, comprising as it does the horizontal and vertical control frameworks and the basic scales mapping based upon it, represents (assuming completion of the last named) a priceless national asset, but it is not “money in the bank”. It is an ephemeral and fragile asset which will have been frittered away unless it is constantly maintained, repaired and refurbished; even so it will not last forever. At one time or another the various components will all require replacement eventually. What must be avoided at all costs is a repetition of such culpable neglect that it all needs replacement at the same time. This summarises what is now, and must remain, the prime objective of the Ordnance Survey. Superimposed upon this are the needs to make the survey available, in various forms, to users; to produce small scale mapping; and to collect and disseminate various other forms of topographic data.〈section xml:id="abs1-3"〉〈title type="main"〉Résumé Le 17 Janvier 1978, le secrétaire d'Etat à l'environnement anonçait la création d'une commission, présidée par Sir David Serpell: les objectifs étant précisés de la manière suivante; “Tenant compte des besoins des utilisateurs et des autres parties intéressées aux activités cartographiques, proposer une orientation à long terme de la politique de l'établissement et revoir les modes de financement de l'Ordnance Survey.”Les organisations concernées, et parmi elles la Photogrammetric Society, étaient invitées à entrer en relation avec la commission: on reproduit ici in extenso la déposition de la Photogrammetric Society. Le secrétaire d'Etat a demandéà la commission de remettre son rapport début 1979 si possible.〈section xml:id="abs1-4"〉〈title type="main"〉Zusammenfassung Am 17.1.1978 kündigte der Staatssekretär für Umweltfragen die Gründung eines Komitees unter Vorsitz von Sir David Serpell an, dasfolgende Aufgabe erfüllen soll: “Analyse der Ansichten von Nutzern und anderen interessierten Gruppen bezüglich der nationalen Anforderungen an Vermessungswesen und Kartographie, um daraus Empfehlungen für die längerfristigen Aktivitäten des Ordnance Survey und die Möglichkeiten zur Finanzitrung abzuleiten.” Interessierte Organisationen, darunter die Photogrammetric Society, wurden eingeladen, die Tätigkeit des Komitees zu unterstützen. Für Anfang 1979 soll ein Bericht vorgelegt werden.
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    Notes: Professor F. Ackermann was specially invited to contribute an article to mark the 50th issue of The Photogrammetric Record. As the only photogrammetrist to have received both the Brock and von Gruber awards of the International Society for Photogrammetry, he is particularly well qualified to express his views on the past and future development of photogrammetry.〈section xml:id="abs1-2"〉〈title type="main"〉RésuméLe professeur Ackermann a été invitéàécrire un article pour fêter la sortie du 50ème numéro. Seul photogrammètre cumulant médaille de Brock et médaille de von Gruber, il était particulièrement qualifié pour juger du passé et préjuger de l'avenir de la photogrammétrie.〈section xml:id="abs1-3"〉〈title type="main"〉Zusammenfassung Professor Ackermann wurde gezielt eingeladen, um einen Beitrag anlässlich des Erscheinens der 50. Ausgabe des Photogrammetric Record beizusteuern. Als einziger Photogrammeter, der sowohl den Brock- als auch v. Gruber-Preis der ISP erhalten hat, ist er besonders qualifiziert, seine Ansichten über Vergangenheit und Zukunft der Photogrammetrie zu äussern.
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    Notes: The author describes his experiences of working with Professor E. H. Thompson on the design and construction of the Thompson-Watts plotter and he relates several anecdotes of incidents which took place at the Hilger and Watts factory.〈section xml:id="abs1-2"〉〈title type="main"〉RésuméOù on décrit l'expérience d'années passées à travailler avec le professeur Thompson sur le projet du restituteur Thompson- Watts avec de nombreuses anecdotes sur la vie à l'usine Hilger and Watts.〈section xml:id="abs1-3"〉〈title type="main"〉ZusammenfassungDer Autor schreibt über seine Erfahrungen, die er bei der Zusammenarbeit mit Professor E. H. Thompson beim Entwurf und der Konstruktion des Thompson–Watts-Plotters sammelte. Er erwähnt dabei einige Anekdoten über Vorfälle, die sich bei der Firma Hilger und Watts ereigneten.
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    Notes: A history and analysis of stereoplotting instrument design and construction in the United Kingdom is given, beginning with the earliest instruments of F. V. Thompson dating from 1907 and 1908 and covering all known designs up till the late 1960s. In the first part of the paper, the instruments built in the 1920s and 1930s are described, much new information having come to light recently in the archives of Ban and Stroud Ltd. and in the papers of the late Professor E. H. Thompson. In the second part of the paper, the instruments which were produced during and after the Second World War are discussed in detail, with an emphasis on those designs which are less well known rather than those which were produced in quantity. The ideas and designs of Deville, F. V. Thompson, Fourcade and E. H. Thompson have been the dominating influences throughout the period and a strong thread of continuity can be established between them.〈section xml:id="abs1-2"〉〈title type="main"〉RésuméOn fait l'histoire du restituteur analogique en Grande Bretagne, depuis ses balbutiements (F. V. Thompson 1907–1908), jusq'aux années 60. On décrit en particulier les appareils conçus dans les années 20 et 30, en tenant compte d'une masse d'informations inconnues à ce jour tirées des archives de M. Barr et Stroud, et de celles de feu le professeur Thompson. Puis on passe à ceux qui ont été produits pendant et après la guerre, en s'attachant surtout à ceux qui sont moins connus parce que n'ayant pas été produits en série. Ce sont les idées et projets de Deville, F. V. Thompson, Fourcade et E. H. Thompson qui ont dominé cette période, et le fil qui les relie reste très perceptible.〈section xml:id="abs1-3"〉〈title type="main"〉ZusammenfassungEs wird ein Überblick und eine Analyse über den Entwurf und die Konstruktion von Stereoauswertegeräten im Vereinigten Königreich gegeben, wobei der Autor, beginnend mit den ersten Geräten von F. V. Thompson aus den Jahren 1907 und 1908 alle bekannten Entwürfe bis Ende der 60iger Jahre behandelt. Im 1. Teil werden die Geräte der 20iger und 30iger Jahre beschrieben, wobei viel neue Informationen aus dem Archiv der Firma Barr und Stroud und den Beiträgen des verstorbenen Professor E. H. Thompson entstammen. Im 2. Teil werden die während des 2. Weltkrieges und danach produzierten Geräte diskutiert, wobeisolche hervorgehoben werden, die weniger bekannt wurden als die in grossen Stückzahlen produzierten. Die Ideen und Entwürfe von Deville, F. V. Thompson, Fourcade, E. H. Thompson hatten einen bedeutenden Einfluss während dieser Zeit, und es kann eine starke kontinuierliche Verbindung zwischen ihnen aufgezeigt werden.
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    Notes: The author has been involved in the manufacture of photogrammetric instruments for nearly 30 years. In particular, he was associated with the Thompson-Watts plotter and, at the present time, is concerned with the production of the CP1 and EMPD instruments which owe a great deal to his design and innovatory skills. This paper summarises his experiences and views of the production of photogrammetric equipment in England.〈section xml:id="abs1-2"〉〈title type="main"〉RésuméPendant 30 ans l'auteur a participéà l'élaboration d'appareillages pour la photogrammétrie: en particulier les restituteurs Thompson–Watts; et maintenant les appareils CP1 et EMPD qui lui doivent beaucoup. Il condense ici l'expérience et les idées qu'il a dans ce domaine.〈section xml:id="abs1-3"〉〈title type="main"〉ZusammenfassungDer Autor ist seit fast 30 Jahren an der Herstellung photogrammetrischer Auswertegeräte beteiligt. Insbesondere verbunden war er mit dem Thompson–Watts Plotter und befasst sich gegenwärtig mit der Fertigung der Geräte CP1 und EMPD, an denen er durch seine schöpferischen Fähigkeiten grossen Anteil hat. In dem Artikel werden seine Erfahrungen und Ansichten bei der Produktion photogrammetrischer Geräte in England zusammengefasst.
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    Notes: An application of photogrammetry in the measurement of palatal surface area is described. The accuracy of the photogrammetric method in such applications is also discussed.〈section xml:id="abs1-2"〉〈title type="main"〉RésuméDétermination par photogrammétrie de l'aire du palais buccal; indications sur l'exactitude obtenue.〈section xml:id="abs1-3"〉〈title type="main"〉ZusammenfassungDie Anwendung der Photogrammetrie zur Vermessung der Gaumen-oberfläche wird beschrieben und die Genauigkeit photogrammetrischer Verfahren bei solchen Messungen werden diskutiert.
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    Notes: 18th International Symposium of Cipa by D. M. Barber, p.50548th Photogrammetric Week by A. T. Smart, p.5065th Conference on Optical 3D Measurement Techniques by G. Hunter, p.509
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    Notes: Book review in this ArticleTHE UNITED KINGDOM FROM SPACE (2). By D. J. Carter and H. J. P. Arnold. Space Frontiers Ltd. Havant, Hampshire, 1977.SURVEYS FOR DEVELOPMENT. Edited by J. J. Nossin. Elsevier Scientific Publishing Co. Amsterdam, Oxford, New York, 1977.REMOTE SENSING OF THE TERRESTRIAL ENVIRONMENT. Edited by R. F. Peel, L. F. Curtis and E. C. Barrett. Butterworths, London, 1977.MAPPING FOR FIELD SCIENTISTS. By W. Ritchie, D. A. Tait, M. Wood and R. Wright. David and Charles, Newton Abbot, Devon, 1977.SURVEYING AND PHOTOGRAMMETRY. COMPUTATION FOR CIVIL ENGINEERS. By D. E. Murchison. Newnes–Butterworths, London, 1977.RESOURCE SENSING FROM SPACE: PROSPECTS FOR DEVELOPING COUNTRIES. Report of the Ad Hoc Committee on Remote Sensing for Development. US National Academy of Sciences, Washington, D.C., 1977.MISSION TO EARTH: LANDSAT VIEWS THE WORLD. By N. M. Short, P. D. Lowman, S. C. Freden and W. A. Finch. National Aeronautics and Space Administration, Washington, D.C., 1976.REMOTE SENSING IN GEOMORPHOLOGY. By H. Th. Verstappen. Elsevier Scientific Publishing Company, Amsterdam, Oxford, New York, 1977.
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    Notes: The paper describes two research projects on the application and value of satellite imagery taken, by ERTS 1 and Skylab, for small scale mapping. It describes the methods used in controlling a block of normal system corrected imagery and the accuracies achieved.The interpretation and evaluation of the imagery are discussed and the results of ERTS 1 and Skylab in this field are compared. Finally, some examples are described where ERTS 1 imagery has proved of practical value as a navigational aid when flying conventional photography and airborne geophysical surveys and for providing base maps when concerned with resource evaluation of poorly mapped areas.〈section xml:id="abs1-2"〉〈title type="main"〉Résumé On présent les résultats de deux projets de recherche sur les applications possibles el la valeur pratique des imageries satellitaires, prises avec ERTS 1 et Skylab en vue de la cartographie à petite échelle. On décrit les méthodes utilisées pour “appuyer” un bloc à imagerie corrigée (système normal) et l'exactitude obtenue. On compare de ce point de vue ERTS 1 et Skylab. Enfin on donne quelques applications pratiques qui se sont révélées utiles: aide à la navigation pour les levés photographiques et géophysiques aériens; établissement de cartes expédiées en vue d'inventaire de régions souscartographiées.〈section xml:id="abs1-3"〉〈title type="main"〉Zusammenfassung Beschreibung von zwei Forschungsprojekten über die Anwendung und den Nutzen von Satelliten-Bildern, die von ERTS 1 und Skylab aus aufgenommen wurden, für die Herstellung kleinmassstäbiger Karten. Es werden die Verfahren beschrieben, die beim Festpunktanschluss von korrigierten Bildern angewendet wurden. Die dabei erreichten Genauigkeiten werden mitgeteilt. Diskussion der Interpretation und Bewertung der Bilder und Vergleich der diesbezüglichen Ergebnisse von ERTS 1 und Skylab. Schliesslich werden einige Beispiele beschrieben, wo Bilder von ERTS 1 von praktischem Wert als Navigationshilfe zur Luftbildaufnahme und geophysikalischen Lufterkundung und bei Beschaffung von Grundkarten bei der Ressourcenerkundung in kartographisch schwach erfassten Gebieten waren.
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    Notes: The author reviews the present state of aerial triangulation methods and outlines the requirements for future research which were suggested at the symposium of Commission III of the International Society for Photogrammetry in 1974. He maintains that none of these research topics is very relevant to aerial triangulation as it is practised in Britain today. A combination of complacency, the natural inertia imposed by economic arguments and the higher priorities accorded to younger developments such as automated cartography is conspiring to prevent replacement of adequate but out-dated methods. He considers that there are nevertheless, strong arguments for selecting a newly designed, optimum, modern system, based on a modular approach, which can be introduced on a national basis and made fully available to all interested organisations.〈section xml:id="abs1-2"〉〈title type="main"〉RésuméRevue de l'état actuel des méthodes de triangulation aérienne et rappel des voies de recherches recommandées au symposium de la Commission III de la SIP en 1974. Aucune de ces voies n'a malheureusement de rapport avec ce qui est actuellement pratiqué en Grande Bretagne en matière de triangulation aérienne. Une certaine complaisance, mêlée à une inertie assez naturelle due à des raisons économiques et à la plus grande priorité accordée à des domaines plus neufs comme la cartographie automatique, a perpétué l'emploi des méthodes pertinentes mais désuètes. L'auteur pense qu'il y a de puissants arguments pour qu'on choisisse et mette en oeuvre une méthode moderne, avec approche modulaire dont l'emploi se ferait à l'échelle nationale et à laquelle tout organisme intéressé pourrait recourir.〈section xml:id="abs1-3"〉〈title type="main"〉ZusammenfassungDer Autor referiert über den gegenwärtigen Stand der Verfahren der Aerotriangulation und skizziert die Anforderungen für künftige Forschungs-arbeiten, die auf dem Symposium der Kommission III der Internationalen Gesellschaft für Photogrammetrie 1974 vorgeschlagen wurden. Er bekräftigt, dass keiner dieser Forschungsgegenstände bezüglich der gegenwärtig in Grossbritannien praktizierten Aerotriangulation relevant ist. Eine Kombination von Selbstzufriedenheit, natürlicher Beschränkung infolge ökonomischer Argumente und der höheren Prioritäten wegen der neueren Entwicklungen z.B. in der automatischen Kartographie verhindert den Ersatz passender, aber unmoderner Verfahren. Der Autor ist der Meinung, dass es trotzdem starke Argumente zur Auswahl eines neuen optimalen, modernen Systems gibt, das auf dem Bausteinprinzip beruht und das auf nationaler Grundlage eingeführt und allen interessierten Organisationen zugänglich gemacht werden kann.
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    Notes: Earth observation satellites with 1m resolution, such as Space Imaging's Ikonos system, offer the photogrammetric and remote sensing communities a significant new means for geospatial information collection. These satellites possess the potential for pixel-level geopositioning precision and promise timely, highly automated generation of two dimensional (2D) and three dimensional (3D) spatial information products. This paper concentrates on the pursuit of optimal accuracy and considers an essential first step in the evaluation of the Ikonos imaging system, namely the metric integrity of the sensor system. In the absence of sensor calibration information (the camera model), an empirical evaluation approach has been adopted. This involves an assessment of 2D transformations between image and planar object space. It is shown that based on results obtained in the Melbourne Ikonos Testfield, 2D geopositioning to 0.5 m accuracy is possible from the base-level “Geo”product when a modest amount of good quality ground control is available and sub-pixel image mensuration is achieved. These findings are applicable to both near-nadir imagery and oblique stereo images. Moreover, the results obtained suggest that there are no significant geometric perturbations in the sensor system and initial image processing, which augurs well for the successful application of non-collinearity based 3D orientation and triangulation models for Ikonos imagery.
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    Notes: A camera calibration method for object distances of 1 m to 4 m is described.〈section xml:id="abs1-2"〉〈title type="main"〉RésuméOn décrit une méthode d'étalonnage de chambres de prise de vues pour des distances de prises de vues de 1 à 4 mètres.〈section xml:id="abs1-3"〉〈title type="main"〉ZusammenfassungDiskussion eines Verfahrens zur Kammerkalibrierung für Aufnahmeentfernungen von 1 m bis 4 m.
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    Notes: The development of remote sensing techniques for land use studies is briefly reviewed and some problems of interpretation of aerial and satellite photography considered. The need for a ground based data collection system is indicated and a prototype system developed at the University of Bristol is described. Some preliminary results obtained with this system are presented.〈section xml:id="abs1-2"〉〈title type="main"〉RésuméOn passe en revue les progrès des techniques de télédétection en matière d'étude des sols et on examine certains problèmes d'interprétation des photographies aériennes et satellitaires. On insiste sur la nécessite d'établir une banque de données pour l'interprétation; on décrit le prototype qu'on met au point à l'université de Bristol, et certains résultats qu'il a déjà permis d'obtenir.〈section xml:id="abs1-3"〉〈title type="main"〉ZusammenfassungDie Entwicklung der Fernerkundungsverfahren für Landnutzungsstudien wird kurz eingeschätzt und einige Probleme der Interpretation von Luftbildern und Satellitenphotos werden analysiert. Dabei wird die Notwendigkeit zur Schaffung eines Datenerfassungssystems im Gelände aufgezeigt und ein Prototyp eines solchen Systems, das an der Universität Bristol entwickelt wurde, beschrieben. Einige hiermit erhaltene vorläufige Ergebnisse werden angegeben.
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    Notes: Stereophotography with a pair of 35 mm cameras and stroboscopic illumination was used to record, reconstruct and measure the trajectories of falling hailstones under extremely adverse natural conditions. Since it was not possible either to fix or to measure precisely the camera positions and orientations, a method was devised to obtain both the three dimensional hailstone co-ordinates and the camera positions and orientations by making use of the otherwise redundant information contained in the stereo-photography.〈section xml:id="abs1-2"〉〈title type="main"〉RésuméOn a utilisé deux cameras de 35 mm et un éclairage stroboscopique pour enregistrer en vue de leurs restitutions les trajectoires de grêlons; ceci n'a pu être réalisé que dans des conditions difficiles. Comme il n'était pas possible de stabiliser les cameras et de déterminer les coordonnées des points de station, on a mis au point une méthode spéciale.〈section xml:id="abs1-3"〉〈title type="main"〉ZusammenfassungDie Stereophotographie mit einem Paar von 35 mm Kameras und stroboskopischer Beleuchtung wurde angewendet, um die Kurven fallender Hagelkörner unter extrem von den natürlichen abweichenden Bedingungen zu registrieren, rekonstruieren und zu vermessen. Da es nicht möglich war, die Kammerstandpunkte und -orientierungen zu fixieren oder exakt zu vermessen, wurde ein Verfahren abgeleitet, um sowohl die dreidimensionalen Koordinaten der Hagelkörner als auch die Kammerparameter durch Verwendung der durch die Stereophotos gelieferten redundanten Informationen zu erhalten.
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    The @photogrammetric record 8 (1976), S. 0 
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    Notes: The Ordnance Survey's approach to the revision of the 1: 2500 scale series is discussed, with particular emphasis on the variety of photogrammetric methods which are used. The special problems of re-casting existing maps onto the National Grid projection, without losing the value of the existing detail, are outlined whilst emphasising the need to complete the revision with maximum speed to an adequate accuracy for a minimum cost.〈section xml:id="abs1-2"〉〈title type="main"〉Résumé On expose les méthodes de l′ Ordnance Survey en matière de révision des levés au 1: 2500; on examine le problème de l'adaptation des levés existants au système cartographique national, sans qu'il y ait perte de richesse.〈section xml:id="abs1-3"〉〈title type="main"〉Zusammenfassung Es wird ein Versuch des Ordnance Survey zur Laufendhaltung der Karte 1: 2500 beschrieben, wobei die verschiedenen photogrammetrischen Verfahren, die angewendet wurden, besonders betont werden. Die speziellen Probleme der Einpassung bestehender Karten in das Nationale Gitternetz ohne den Verlust der vorhandenen Details werden skizziert, wobei hervorgehoben wird, dass die Revision mit maximaler Geschwindigkeit ohne Genauigkeitsverlust bei minimalen Kosten durchgeführt werden muss.
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    The @photogrammetric record 7 (1973), S. 0 
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    Notes: The author outlines his experiences of photographic surveying, in the early years of the 1930's in the Survey of India, which involved the use of simple graphical methods of plotting.
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    The @photogrammetric record 7 (1973), S. 0 
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    Notes: Aerial photography may be used to quickly locate and measure the extent and severity of forest damage due to windblow. This paper describes such an application in a small area of semi-natural woodland in central Scotland after the “Great Gale” of 14th and 15th January, 1968. A 1 : 2000 scale map, showing the location and direction of fall of each windblown tree, suggests certain relationships between topography and the severity of woodland damage and gives considerable information on the airflow pattern existing over the area during the gale.
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    The @photogrammetric record 7 (1973), S. 0 
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    Notes: The International Society for Photogrammetry held the XIIth International Congress at Ottawa during July and August 1972. The authors comprised a panel which engaged in discussion upon the Congress at a meeting of the Photogrammetric Society on 17th October, 1972.
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    Notes: A plot of relative parallax measurements in a student exercise is proposed for revealing errors in parallax bar readings taken from a stereo-pair of aerial photographs. The sensitivity of the computed heights to measurement error is also evaluated.〈section xml:id="abs1-2"〉〈title type="main"〉RésuméOn propose un tracé graphique des mesures de parallaxe pour mettre en évidence des erreurs de lecture à la barre de parallaxe.〈section xml:id="abs1-3"〉〈title type="main"〉ZusammenfassungEs wird eine Auswertung relativer Parallaxenmessungen bei einer studentischen Übung vorgeschlagen, um Fehler der an einem Stereomikrometer vorgenommenen Ablesungen aufzudecken, die an Hand eines Luftbildpaars erfolgten. Der Einfluss des Messfehiers auf den Höhenfehler wird ebenfalls abgeschätzt.
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    Notes: 1:70 000 scale photographs taken over Syria with a Russian AFA topographic camera equipped with a Russar 29b super-wide angle lens have been tested. The tests included (i) the measurement of a field of points using several different instruments and a comparison of the photogrammetrically derived co-ordinates with the values derived by field survey; (ii) the production of plots at 1: 25 000 scale for comparison with a check plot produced from large scale, wide angle photography; and (iii) production of orthophotographs, also at 1: 25 000 scale. Difficulties were experienced with the asymmetrical lens distortion pattern and the variations in illumination and resolution present in the photography. The former were overcome by manufacture of asymmetrical lens distortion correction plates. When this was done, the accuracies attained were comparable to those achieved in previous tests using photographs taken at the same scale with the Wild RC 9 camera equipped with the Super Aviogon I lens and measured on the same or similar types of measuring equipment.〈section xml:id="abs1-2"〉〈title type="main"〉Résumé On décrit ici un test relatif à une couverture aérienne au 1: 70 000 exécutée en Syrie avec une chambre russe AFA dotée d'un super-grand angulaire 29 b. Le test comprenait: la détermination d'un polygone au sol, et la comparaison des determinations géodésiques et des déterminations photogrammétriques; la restitution de parcelles au 1: 25 000 en vue de les comparer avec une parcelle-test provenant de photos à grande échelle; et la réalisation d'ortho-photos au 1: 25 000. La distorsion disymétrique de l'objectif a conduit à quelques difficultés, ainsi que des inégalités d'éclairement et de finesse sur les clichés. On a surmonté les premières en faisant fabriquer des plaques correctives. Ceci fait, l'exactitude atteinte s'est trouvée du même ordre que celle de restitutions provenant des clichés aux même échelles pris avec le Wild RC9 et effectuées dans des conditions très voisines.〈section xml:id="abs1-3"〉〈title type="main"〉Zusammenfassung Bericht über die Testung von Luftbildern (mb= 70 000), die über Syrien mit einer sowjetischen Überweitwinkelkammer mil einem Russar-Objektiv 29b aufgenommen wurden. Die Untersuchungen umfassten (a) die Aus-messung eines Punktfeldes mit verschiedenen Auswertegeräten und einen Vergleich photogrammetrisch und geodätisch bestimmter Koordinaten, (b) die Durchführung einer Auswertung 1: 25 000 und den Vergleich mit einer aus grossmassstäbigen Weitwinkelbildern abgeleiteten Kontrollkarte, (c) die Herstellung von Orthophotos im Massstab 1: 25 000. Schwierig-keiten resultierten aus der asymmetrischen Objektivverzeichnung und den Variationen in der Bildhelligkeit und -auflösung. Die Verzeichnung konnte durch Herstellung von Kompensationsplatten reduziert werden. Danach waren die erreichten Genauigkeiten mit den in früheren Tests erzielten vergleichbar, bei denen mit einer Wild RC9- Kammer (Super Aviogon I) aufgenommene Luftbilder gleichen Massstabs an denselben oder ühnlichen Auswertegeräten ausgemessen wurden.
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    Notes: With present day trends towards smaller scale photography for topographic mapping and photomapping, there is an increasing need for high quality photography and a corresponding need for diagnostic information on potential sources of degradation. Hence subjective judgements must be supplemented by quantitative analyses of image quality that go beyond mere determinations of resolution level. A methodology for evaluating three important parameters governing image quality (development, exposure and spatial frequency content) is presented. By sequentially comparing the values measured on production or test photographs with standard values, the faults most commonly responsible for image degradation (such as errors in development and exposure, excessive image motion, vacuum failure and poor camera focus) can be isolated and measured.〈section xml:id="abs1-2"〉〈title type="main"〉RésuméLa tendance actuelle en matière de plans topographiques et de photocartes est de diminuer l'échelle de la couverture photo; se fait done jour le besoin d'émulsions de haute qualité et simultanément la nécessité de pouvoir juger objectivement de cette qualité. II faut alors recourir á des analyses quantitatives qui aillent au-delá de la simple mesure du pouvoir de résolution. On présente ici une méthodologie relative au problème de l'évaluation de trois des principaux paramètres effectuant la qualité de l'image (développement, durée d'exposition, résolution de fréquence spatiale). Avec des tests d'homogénéïté on peut alors déceler les variations de qualité, et en particulier déterminer et mesurer les causes d'altération les plus fréquentes (erreurs lors du développement ou lors de la phase d'exposition, filé, défauts internes, qualité médiocre de la chambre).〈section xml:id="abs1-3"〉〈title type="main"〉ZusammenfassungBei dem gegenwärtigen Trend, den Bildmassstab zur Herstellung von topographischen Karten und Photokarten zu verkleinern, ergibt sich zunehmend die Notwendigkeit, Hochleistungsphotos aufzunehmen und diagnostische Informationen über mögliche Quellen der Qualitätsverschlechterung zu erlangen. Insbesondere müssen subjektive Bewertungen durch quantitative Analysen der Bildqualität ergänzt werden, die über Bestimmungen des Auflösungsvermögens hinausgehen. Es wird eine Methodologie zur Bewertung von drei wichtigen Parametern (Entwicklung, Belichtung, Inhalt der Orts-frequenz), die die Bildqualität beeinflussen, angegeben. Durch Vergleich der auf Produktionsbildern oder Testbildern gemessenen Werte mit deren Standards können die Fehler, die meistens eine Bildverschlechterung verursachen (wie zum Beispiel Fehler bei der Entwicklung und Belichtung, unzulässige Bildwanderung, ungenügende Planlage oder Kammerabstimmung) aufgedeckt und gemessen werden.
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    Notes: Distinct benefits have been obtained from the use of orthophotography in the initial planning of Scotland's sixth new town, to be located at Stonehouse, 29 km south east of Glasgow, due to a comprehensive approach to the mapping requirements. This paper discusses some of the details of the orthophotomapping project.〈section xml:id="abs1-2"〉〈title type="main"〉RésuméL'orthophotographie s'est révélée d'un usage fort intéressant pour les études d'implantation de la sixième ville nouvelle d'Écosse (Stonehouse, 29 km au S.E. de Glasgow). On discute quelques aspects du projet d'orthophotoplan.〈section xml:id="abs1-3"〉〈title type="main"〉ZusammenfassungDeutliche Vorteile ergaben sich aus der Anwendung der Differentialent-zerrung bei der Vorplanung für Schottlands 6. neue Stadt, die in der Nähe von Stonehouse, 29 km südöstlich von Glasgow liegen soll, infolge der umfassenden Befriedigung der Anforderungen an die Kartenherstellung. Im Artikel werden einige Details des Orthophotokarten-Projektes diskutiert.
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    Notes: This paper describes work carried out jointly by the British Ship Research Association and the author to assess the value of photogrammetry in acquiring quality control measurements on large steel structures in the shipbuilding industry. In particular, the feasibility of using photogrammetry to resolve one of the problems of joining half ships afloat (that is the dimensional equivalence of the mating faces) is investigated.〈section xml:id="abs1-2"〉〈title type="main"〉Résumé On décrit le travail mené conjointement par la British Ship Research Association et l'auteur pour tester la valeur des méthodes photogrammétriques dans le contrôle de précision de grandes structures d'acier (industrie navale). En particulier on a cherché dans quelles mesure on pouvait utiliser la photogrammétrie pour vérifier la conformité de piéces devant entrer en jonction.〈section xml:id="abs1-3"〉〈title type="main"〉Zusammenfassung Im Artikel werden die gemeinsam vom Autor und der British Ship Research Association durchgeführten Untersuchungen zwecks Eignung der Photogrammetrie bei Gütekontrollen grosser Stahlkonstruktionen im Schiffbau beschrieben. Insbesondere wurde die Anwendungsmöglichkeit der Photogrammetrie bei der Lösung einiger der beim Verbinden schwimmender halber Schiffe auftretenden Probleme untersucht (um die Grössenordnung der Aufnahmeobjekte zu veranschaulichen).
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    The @photogrammetric record 17 (2002), S. 0 
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    Notes: The Photogrammetric Society was formed in 1952. The Council of the Society considered that the twentieth anniversary was a good point at which to record the events which led to its formation and the significant occasions and decisions which have taken place since 1952. Consequently, Paul Lamboit was invited to compile this History. He has placed the birth and development of the Society within the national and international photogrammetric context and his record of the deliberations which took place between 1947 and 1952 will be of particular interest to historians of our subject.This account was first published in a limited edition in 1971. Sufficient interest has since been expressed to prompt a wider circulation through publication in the Photogrammetric Record.The author served the Society continuously in several official capacities from 1953 to 1969 and he was elected to Honorary Membership in 1969.〈section xml:id="abs1-2"〉〈title type="main"〉RésuméLa Photogrammetric Society a été fondée en 1952. Excellente occasion pour faire le point qu'un vingtiéme anniversaire, a estimé le Conseil de la Société; pour rappeler les circonstances de sa naissance, les étapes de sa croissance et les décisions importantes prises depuis 1952. Ce qu'on invita Paul Lamboit à faire. Son exposé resitue la naissance et le développement de la Société dans le contexte national et international de la photogrammétrie; la relation qu'il fait des décisions prises entre 1947 et 1952 intéressera particulièrement ceux qui s'occupent d'histoire de la photogrammétrie.Ce rapport d'abord publié en édition limitée en 1971, a suscité un intérêt suffisant pour que l'on se presse en le publiant dans le Photogrammetric Record de le porter à la connaissance d'un plus large public.L'auteur a exercé différentes fonctions de 1953 à 1969 dans l'appareil de la Société. Il a étéélu membre honoraire en 1969.〈section xml:id="abs1-3"〉〈title type="main"〉Zusummenfussung1952 wurde die Britische Gesellschaft für Photogrammetrie gegründet. Der Rat der Gesellschaft erwog, dass der zwanzigste Jahrestag eine günstige Gelegenheit sei, um die Ereignisse, die zur Gründung der Gesellschaft führten sowie die bedeutenden Veranstaltungen, die stattfanden und die Entscheidungen, die getroffen wurden, darzustellen. Aus diesem Grunde wurde Paul Lamboit eingeladen, diesen historischen Rückblick zu schreiben. Er hat dabei die Gründung und die Entwicklung der Gesellschaft in den nationalen und internationalen photogrammetrischen Zusammenhang gestellt nd sein Bericht über die zwischen 1947 und 1972 erfolgten Beratungen wird für an unserer Sache interessierte Historiker sehr aufschlussreich sein.Diese Zusammenstellung wurde erstmals in einer begrenzten Auflage im Jahre 1971 veröffentlicht. Genügend Interesse wurde inzwischen bekundet, um eine weitergehende Verteilung mit Hilfe des Photogrammetric Record zu veranlassen.Der Autor diente der Gesellschaft kontinuierlich in verschiedenen Ämtern von 1953 bis 1969, wo er aum Ehrenmitglied gewählt wurde.
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    Notes: The paper traces the history of the Wild series of rectifiers, paying particular attention to the mechanical solutions of the Newton and Scheimpflug conditions.
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    Notes: This paper gives a summary of the methods that have been used for independent model aerial triangulation. A modification of one of the methods is proposed and the paper concludes with a comparison of the independent model with the classical method of triangulation.
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    The @photogrammetric record 5 (1965), S. 0 
    ISSN: 1477-9730
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Architecture, Civil Engineering, Surveying
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    The @photogrammetric record 5 (1965), S. 0 
    ISSN: 1477-9730
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Architecture, Civil Engineering, Surveying
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    The @photogrammetric record 5 (1965), S. 0 
    ISSN: 1477-9730
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Architecture, Civil Engineering, Surveying
    Notes: The camera is a further development of an existing type with greatly improved photogrammetric performance so that the photography can be used with first-order plotting machines. A new lens provides minimal distortion, high resolution and greatly improved marginal illumination. An entirely new shutter provides high speeds and efficiency. Laboratory results and preliminary survey trials indicate image quality and location standards of the same order as established existing cameras.
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    The @photogrammetric record 5 (1965), S. 0 
    ISSN: 1477-9730
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Architecture, Civil Engineering, Surveying
    Notes: Book reviews in this article:INTERNATIONAL YEAR BOOK OF CARTOGRAPHY (Vol. IV, 1964). Editor, Eduard Imhof.JUBILEE VOLUME DEDICATED TO WILLEM SCHERMERHORN ON HIS SEVENTIETH ANNIVERSARY: ESSAYS ON THE DEVELOPMENT OF PHOTOGRAMMETRY. Published by I.T.C., Delft.
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  • 93
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    The @photogrammetric record 7 (1973), S. 0 
    ISSN: 1477-9730
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Architecture, Civil Engineering, Surveying
    Notes: A phototheodolite was used during the construction of Llyn Brianne dam to provide stereoscopic coverage of both upstream and downstream shoulders of the dam at each of eight stages of construction. Ground control was established on the valley sides, together with 80 targeted points at various levels on the dam as it progressed. The co-ordinates of the targeted points were determined numerically using a Wild A7. Three dimensional displacements were determined from the change of position to an average accuracy of 0–05 m. Agreement was obtained with independent and more precise measurements and comparisons are made with the upstream displacements. The assumptions of an analytical prediction technique are examined. Profile lines through the dam were also obtained numerically to record the progressing shape of the dam.
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  • 94
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    The @photogrammetric record 8 (1974), S. 0 
    ISSN: 1477-9730
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Architecture, Civil Engineering, Surveying
    Notes: The Photogrammetric Society was honoured to be addressed by the Congress Director of the International Society for Photogrammetry during March 1974. Professor Halonen's lecture covered several aspects of current photogrammetric research in Finland. The following account contains contributions by two of his colleagues, J. Hakkarainen and H. Salmenperä, on specific aspects of lens distortion and block adjustment.
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    The @photogrammetric record 7 (1973), S. 0 
    ISSN: 1477-9730
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Architecture, Civil Engineering, Surveying
    Notes: Book reviews in this article:A LAND SYSTEM ATLAS OF WESTERN KENYA. By R. M. Scott, R. Webster and C. J. Lawrance.THE OVERHAUL OF THE 1 : 2500 COUNTY SERIES OF MAPS. Ordnance Survey Professional Paper No. 25, Ordnance Survey of Great Britain, Southampton.TERRAIN ANALYSIS: A GUIDE TO SITE SELECTION USING AERIAL PHOTOGRAPHIC INTERPRETATION. By D. S. Way.PROCEEDINGS OF MAN-MACHINE INTERFACE IN PHOTOGRAM-METRY. Edited by E. Dorrer.ELEMENTARY AIR SURVEY. By W. K. Kilford.CARTOGRAPHIE GÉNÉRALE. Tome II: Méthodes et techniques de production. By R. Cuenin.INTERNATIONAL YEARBOOK OF CARTOGRAPHY (Vol. XII, 1972). Edited by E. Arnberger and F. AuradaRESOURCE SATELLITES AND REMOTE AIRBORNE SENSING FOR CANADA. Proceedings of the First Canadian Symposium on Remote Sensing, Ottawa, February 1972. Edited by D. White.LIBYA: AGRICULTURE AND ECONOMIC DEVELOPMENT. Edited by J. A. Allan, K. S. McLachlan and E. T. Penrose.ÉTUDE EXPÉRIMENTALE DE ĽAÉROTRIANGULATION SEMI-ANALYTIQUE. RAPPORT SUR ĽESSAI “GRAMASTETTEN”. Publication Officielle No. 7 de ľOrganisation Européenne ďÉtudes Photo-grammétriques Expérimentales. By P. Wiser.COORDINATE SYSTEMS AND MAP PROJECTIONS. By D. H. Maling.
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  • 96
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    The @photogrammetric record 7 (1973), S. 0 
    ISSN: 1477-9730
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Architecture, Civil Engineering, Surveying
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  • 97
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    The @photogrammetric record 7 (1973), S. 0 
    ISSN: 1477-9730
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Architecture, Civil Engineering, Surveying
    Notes: Several problems are encountered when collecting traffic information by conventional methods and which leave scope for the development of more comprehensive techniques. This paper reviews the potential of different types of photography as an effective means of obtaining comprehensive traffic information. Comparisons between conventional methods and photographic methods are made. The different types of available photography are discussed, together with their uses in the field of traffic data acquisition. Finally, the paper assesses the use of automatic and semiautomatic methods of photographic data analysis in this context.
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    The @photogrammetric record 7 (1973), S. 0 
    ISSN: 1477-9730
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Architecture, Civil Engineering, Surveying
    Notes: Book reviews in this article:PHOTOGRAMMETRIC GUIDE. By J. Albertz and W. Kreiling.THE READJUSTMENT OF THE RETRIANGULATION OF GREAT BRITAIN, AND ITS RELATIONSHIP TO THE EUROPEAN TERRESTRIAL AND SATELLITE NETWORKS. By V. Ashkenazi, P. A. Cross, M. J. K. Davies and D. W. Proctor.GUIDE TO SITE SURVEYING. Edited by R. Hewitt.PHOTOGRAMMÉTRIE GÉNÉRALE. By H. Bonneval.
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    The @photogrammetric record 7 (1972), S. 0 
    ISSN: 1477-9730
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Architecture, Civil Engineering, Surveying
    Notes: The Ordnance Survey makes extensive use of air survey in its mapping programmes at scales of 1 : 1250, 1 : 2500 and 1 : 10 000. A short history of the development of air survey within the Ordnance Survey leads into a description of current methods including the flying, processing and aerial triangulation tasks as well as the plotting of the maps by instrumental or graphical means.
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    The @photogrammetric record 7 (1972), S. 0 
    ISSN: 1477-9730
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Architecture, Civil Engineering, Surveying
    Notes: A number of proposals have been put forward for the extraction of three dimensional data from a pair of electron microscope photographs taken from different angles. The methods used have, in general, been either point by point analyses or rather inconvenient. This paper shows that an existing photogrammetric plotter of topographic accuracy can, with very simple modification, be converted to give continuous plotting facilities from certain such micrographs.
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