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  • Architecture, Civil Engineering, Surveying  (47,253)
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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 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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  • 3
    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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  • 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
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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
    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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  • 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
    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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  • 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
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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
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  • 10
    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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  • 11
    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 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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  • 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: 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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  • 13
    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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  • 14
    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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  • 15
    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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  • 16
    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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  • 17
    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 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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  • 18
    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
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  • 19
    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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  • 20
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    Oxford, UK : Blackwell Publishing Ltd
    The @photogrammetric record 9 (1979), S. 0 
    ISSN: 1477-9730
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  • 21
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    Oxford, UK : Blackwell Publishing Ltd
    The @photogrammetric record 9 (1979), S. 0 
    ISSN: 1477-9730
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  • 22
    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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  • 23
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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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  • 24
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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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  • 25
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    Oxford, UK : Blackwell Publishing Ltd
    The @photogrammetric record 9 (1978), S. 0 
    ISSN: 1477-9730
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  • 26
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    Oxford, UK : Blackwell Publishing Ltd
    The @photogrammetric record 9 (1978), S. 0 
    ISSN: 1477-9730
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  • 27
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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: 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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  • 28
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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: 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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    The @photogrammetric record 9 (1977), S. 0 
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  • 30
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    The @photogrammetric record 9 (1977), S. 0 
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    Topics: Architecture, Civil Engineering, Surveying
    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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    The @photogrammetric record 9 (1977), S. 0 
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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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    The @photogrammetric record 9 (1977), S. 0 
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    Topics: Architecture, Civil Engineering, Surveying
    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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    The @photogrammetric record 9 (1978), S. 0 
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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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    Topics: Architecture, Civil Engineering, Surveying
    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: 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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    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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    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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    The @photogrammetric record 8 (1975), S. 0 
    ISSN: 1477-9730
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Architecture, Civil Engineering, Surveying
    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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    The @photogrammetric record 8 (1975), S. 0 
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    The @photogrammetric record 8 (1975), S. 0 
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    The @photogrammetric record 8 (1975), S. 0 
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    The @photogrammetric record 13 (1989), S. 0 
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    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Architecture, Civil Engineering, Surveying
    Notes: This short note sets out a personal experience of the transition from an academic environment to the great wide world of marketing and discusses some of the similarities and differences between the two.
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    The @photogrammetric record 13 (1989), S. 0 
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    Topics: Architecture, Civil Engineering, Surveying
    Notes: In order to realise the full potential of photogrammetry for national map revision, photographic acquisition lead times and, where possible, costs must be significantly reduced. In this paper a review of alternative platform and camera configurations is made and tests are undertaken utilising simulated data and medium format data taken from an existing project. The results suggest that the medium format camera and helicopter combination may have much to offer while the small format camera and microlight aircraft systems have yet to be developed into an effective data acquisition and map compilation system.
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    The @photogrammetric record 13 (1989), S. 0 
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    The @photogrammetric record 13 (1989), S. 0 
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    The @photogrammetric record 13 (1989), S. 0 
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    Notes: The author draws attention to the public nature of an archive compared with the privacy of a collection in the commercial sector. He emphasises the nature of copyright as it affects the products of his own company and explains some of the characteristic features of a commercial operation involved in the acquisition and supply of aerial photography.
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    The @photogrammetric record 15 (1995), S. 0 
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    Topics: Architecture, Civil Engineering, Surveying
    Notes: A joint research project between the University of Newcastle upon Tyne and City University is developing a prototype system for using kinematic GPS techniques to derive the exterior orientation of an oblique sensor without the use of co-ordinated ground control. This paper presents an overview of the techniques employed in deriving GPS antenna co-ordinates and their subsequent use in finding the required orientations. The latest results and future plans are presented and discussed.
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    The @photogrammetric record 12 (1988), S. 0 
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    The @photogrammetric record 12 (1988), S. 0 
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    Notes: A previous paper (Gugan, 1987) described the geometric model used to find the exterior orientation of dynamic SPOT imagery. The present paper considers the results of measurement and interpretation tests performed on a number of stereomodels. The image quality is assessed in comparison with the original digital data. Level 1A stereomodels with different base height ratios, numbers of control points and with different control point accuracies are compared. Accuracies obtained with level 1P and 1B data are also reported. The information content of the imagery is assessed by feature plotting followed by comparison with the 1:50 000 and 1:100 000 scale maps of the area. The importance of high quality photographic imagery and operator experience are noted.
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    The @photogrammetric record 12 (1988), S. 0 
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    Topics: Architecture, Civil Engineering, Surveying
    Notes: Work is reported on the production of terrain elevation data from SPOT imagery. An important step in this process is determination of exterior orientation parameters for the images. Although an initial estimate is available in the SPOT header, refinements are required based on plan and height data. These are generally derived from photogrammetric measurements (or sources such as global positioning satellite systems), but accurate manual determination is time consuming.This paper reports an alternative approach by investigating the use of existing map data (located on the earth's surface and in a known projection) to find corresponding “ground control points” in both map and image. Available maps may be in digital or paper form depending on the state of development of mapping in the part of the world being studied. The last revision date and the cartographic generalisation employed will also effect the fidelity of the final result. Practical semi-automatic techniques for determining the height of ground control points from existing map data are described, including multiple profiles through digitised contour data, a commercial terrain modelling package based on Delaunay triangulation and the use of triangulation points on prominent features.Comparisons between the methods are made and results obtained are compared with Institut Géographique National datasets and photogrammetric measurements. Methods for fully automating not only the height determination but also the location of ground control features within a map database are discussed. Map and image registration is described and illustrated using Laser-Scan's Rover software. Interactive and automated methods of registration are discussed.
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    Topics: Architecture, Civil Engineering, Surveying
    Notes: The Overseas Surveys Directorate (OSD) of the Ordnance Survey of Great Britain (OS) has experimented with using SPOT I HRV data for topographic line mapping at 1:100 000 scale in the Yemen Arab Republic (YAR). Results of these tests indicate that sufficient accuracy to support 1:100 000 scale mapping with a 40 m contour interval is possible but that the compilation of detail is incomplete. More emphasis on field completion and verification is required than with traditional techniques to maintain a standard 1:100 000 scale mapping specification. Costs of mapping large areas can be significantly reduced but savings are yet to be made in providing ground control. OSD has acquired expertise and hardware in a new mapping process, not to replace traditional mapping systems but to complement them under appropriate conditions. OSD has developed sufficient confidence in the use of SPOT to commit itself to mapping approximately 25 000 square kilometres of north east Yemen Arab Republic.
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    The @photogrammetric record 12 (1988), S. 0 
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    The @photogrammetric record 12 (1988), S. 0 
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    Topics: Architecture, Civil Engineering, Surveying
    Notes: Bundle triangulation is an efficient tool for spatial point determination in architectural photogrammetry. All the information available in image and object space may be introduced in a combined adjustment yielding high precision and reliability. Camera calibration performed simultaneously with the object restitution process enables the application of convenient and flexible imaging systems based on professional photographic technology. Thus the survey of monuments can be carried out rapidly with a minimum of personnel and equipment. The photogrammetric recording of the basilica of San Francesco in Siena is presented as an example of the application of this survey procedure. The field work was accomplished in a few days. The equipment used consisted of a partial metric camera, an engineering theodolite and a tape. The bundle adjustment results gave spatial object co-ordinates with a r.m.s.e. of ± 15 mm for a point.
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    The @photogrammetric record 12 (1988), S. 0 
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    Notes: Book review in this aticle:INTRODUCTION TO THE PHYSICS AND TECHNIQUES OF REMOTE SENSING. By C. Elachi.COMPUTER PROCESSING OF REMOTELY-SENSED IMAGES. By P. M. Mather.ARCTIC AIRMEN. B E. Schofield and R. C. Nesbit.WARBURTON'S WAR. The life of Wing Commander Adrian Warburton, DSO and Bar, DFC and Two Bars, DFC (USA). By T. Spooner.MAP PROJECTIONS—A WORKING MANUAL. By. J. P. Snyder.WORLD MAPPING TODAY. By R. B. Parry and C. R. Perkins.CONTROL SURVEYS IN CIVIL ENGINEERING. By M. A. R. Cooper.INTRODUCTION TO REMOTE SENSING. By J. B. Campbell.ANALYTICAL PHOTOGRAMMETRY. By S. K. Ghosh.
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    The @photogrammetric record 12 (1987), S. 0 
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    Topics: Architecture, Civil Engineering, Surveying
    Notes: The availability of data in digital formats, the rapid evolution of computer systems and the increased demands for cartographic databases are causing photogrammetrists to consider ways of integrating photogrammetric, remote sensing and database technologies. Examples are presented involving the use of aerial photographs and satellite images in combination with geographical information systems and image processing techniques to assess soil erosion, growth of aquatic vegetation and to enhance satellite images for the compilation or revision of map products.
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    The @photogrammetric record 15 (1995), S. 0 
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    Notes: The paper entitled The Photogrammetric Society Analogue Instrument Project was published in The Photogrammetric Record, 14(82): 565-582 (October 1993) and contained, as Appendix A, an extract from the Archive concerned with the history of the Zeiss Stereoplanigraph in Great Britain. A further two extracts have since been published to provide details of direct optical projection instruments used in this country. This fourth extract now goes on to begin to provide some details of analogue plotters that employed a purely mechanical solution. The first instrument of this type to be described is the Vivian Thompson Stereo-plotter of 1907. It was in fact the very first instrument of this important category ever to be produced but unfortunately it was also the only one produced in Great Britain.
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    The @photogrammetric record 15 (1995), S. 0 
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    Topics: Architecture, Civil Engineering, Surveying
    Notes: Civil engineering projects start with intensive site investigations to evaluate the appropriateness of the geographic location to the intended construction. This process is lengthy and crucial to the success or failure of the project. Personnel with multiple skills are required at the evaluation stage, including experts in soil mechanics, geology, surveying, management, structures and meteorology. However, many less fortunate parts of the world lack such expertise and cannot afford it. The main objective of the research described in this paper is to develop an expert system that will use images from different sources to assess sites for civil engineering works. Five engineering applications have been selected for this research. Certainty factors for uncertain or incomplete information are presented. A frame-based expert system is developed and tested in this research. Three different tests have indicated that the system is accurate and promising for site investigations.
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    The @photogrammetric record 12 (1986), S. 0 
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    Topics: Architecture, Civil Engineering, Surveying
    Notes: Following the installation of the Wildmap digital mapping system, B.K.S. Surveys Ltd. has successfully completed a number of digital mapping projects in Europe, the Middle East and the United States. As a result of experience gained through meeting clients’requirements, carrying out market research and making in house developments the company has updated its original conceptual approach to digital mapping to meet current demands for a land information system. At present B.K.S. is involved in creating a database that is composed of utility, cadastral and topographical data designed for both graphical output and digital processing for resource planning.
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    Topics: Architecture, Civil Engineering, Surveying
    Notes: The development and operation of a remote control system for a camera rig and for the camera attached to it are described. Now there is the possibility of reducing the crew from three to two for many tasks and to use the extra payload to collect contemporaneous data using a second airborne system.
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    Notes: In spite of the striking progress in block adjustment techniques, it is widely assumed that their application continues to be out of reach for a large part of the photogrammetric community that cannot afford expensive computer systems. The COBLO program performs rigorous block adjustment with models and can be implemented even on inexpensive microcomputers. The first COBLO versions are in operation in several places in South America and Europe and the latest versions, which are considerably more efficient, are now being introduced. This paper describes the main features of different COBLO versions and presents the experience of some users.
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    Notes: In this paper, the author discusses some of his experiences of the past 20 years as a lecturer in photogrammetry and surveying. Comment is made upon the relationship between training and education but with some greater emphasis on the educational topic, and on the role of the lecturer. The final section discusses those elements of a course in photogrammetry which have a strong educational content.
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    Notes: This paper describes briefly the survey and photogrammetric work carried out for the detailed recording of the Minoan Palace of Cnossos, a project undertaken by a group of three private survey firms (N. Perdikaris, Dimopoulos and Associates and Stambouloglou and Associates) for the Archaeological Service of the Hellenic Ministry of Culture and Science.
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    Notes: Analytical plumbline and serf calibration techniques are applied to the calibration of two underwater cameras: a Rolleifex SLX réseau camera with an Aquamarin WKD-SLX/6006 submarine housing and a Nikonos V underwater camera. The Rolleiflex was fitted with a 50 mm Distagon f/4 lens and the Nikonos with a 28 mm Nikkor-UW f/3.5 lens. Comparisons of the results from the two methods of camera calibration are described. Theoretical differences are predicted for in-air versus in-water values for radial distortion. When these are compared to the actually observed values of distortion, an insight is provided of the precisions claimed for each method of camera calibration.
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    Notes: A new lightweight vertical camera rig which can be clamped to the front legs of the front seat of a light aircraft is described. In one version, a fixed transparent fairing is attached to the door, whereas in the second version the fairing is attached to the camera rig itself which can then be extended and retracted in flight. This rig has received C.A.A. (Civil Aviation Authority) Approval.
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    Oxford, UK : Blackwell Publishing Ltd
    The @photogrammetric record 12 (1987), S. 0 
    ISSN: 1477-9730
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Architecture, Civil Engineering, Surveying
    Notes: SPOT-1, launched on 22nd February, 1986, has provided the first opportunity to produce topographic maps from space on an operational basis. The use of SPOT imagery can be justified because of reduced costs and reduced lead times for map production. However SPOT imagery cannot be handled in the same way as conventional photography and it requires new procedures to be adopted, The two main reasons for this are the large area covered by each image and the dynamic form of sensing. The procedures discussed in this paper have been implemented in a working system for map compilation.
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    The @photogrammetric record 12 (1987), S. 0 
    ISSN: 1477-9730
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Architecture, Civil Engineering, Surveying
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    The @photogrammetric record 12 (1986), S. 0 
    ISSN: 1477-9730
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Architecture, Civil Engineering, Surveying
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    The @photogrammetric record 12 (1986), S. 0 
    ISSN: 1477-9730
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Architecture, Civil Engineering, Surveying
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    The @photogrammetric record 12 (1986), S. 0 
    ISSN: 1477-9730
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Architecture, Civil Engineering, Surveying
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    The @photogrammetric record 11 (1985), S. 0 
    ISSN: 1477-9730
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Architecture, Civil Engineering, Surveying
    Notes: Three authors, representing commercial, educational and governmental photogrammetric organisations, report on their initial uses of analytical plotters.
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    The @photogrammetric record 11 (1985), S. 0 
    ISSN: 1477-9730
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    Topics: Architecture, Civil Engineering, Surveying
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    Oxford, UK : Blackwell Publishing Ltd
    The @photogrammetric record 11 (1985), S. 0 
    ISSN: 1477-9730
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Architecture, Civil Engineering, Surveying
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    The @photogrammetric record 11 (1985), S. 0 
    ISSN: 1477-9730
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Architecture, Civil Engineering, Surveying
    Notes: Book reviews in this article:PROCEEDINGS OF THE INTERNATIONAL SYMPOSIUM ON SPACE TECHNIQUES FOR GEODYNAMICS. Edited by J. Somogyi. Hungarian Academy of Sciences. Sopron. Hungary.THE SURVEILLANT SCIENCE: REMOTE SENSING OF THE ENVIRONMENT. Edited by R. K. Holz. Second edition. John Wiley and Sons Ltd., New York and Chichester.DISCOVERY FROM THE AIR. By G. W. G. Allen. Edited by J. S. P. Bradford and O. G. S. Crawford with Introduction and Captions by D. N. Riley. Aerial Archaeology.PRINCIPLES OF REMOTE SENSING. By P. J. Curran. Longman, London and New York.SATELLITE OCEANOGRAPHY. By I. S. Robinson. Ellis Horwood Ltd, Chichester.THE RIGHT OF THE LINE. The Royal Air Force in the European War 1939–1945. By J. Terraine. Hodder & Stoughton, London.INDUSTRIAL HISTORY FROM THE AIR. By K. Hudson. Cambridge University Press, Cambridge.INTRODUCTION TO SATELLITE OCEANOGRAPHY. By G. A. Maul. Martinus Nijhoff, Dordrecht.REMOTE SENSING IN CIVIL ENGINEERING. Edited by T. J. M. Kennie and M. C. Matthews. Blackie and Son Ltd. Surrey University Press, Glasgow and London.
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