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  • 1
    Electronic Resource
    Electronic Resource
    Research in Computational Design at Stanford (1990)
    Springer
    Research in engineering design 2 (1990), S. 53-59 
    Details
    ISSN: 1435-6066
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Technology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02029821
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    Paper (German National Licenses)
    Fulltext
  • 2
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    Observation of New Ring Isomers for Carbon Cluster Anions (1998)
    American Physical Society
    Details
    Publication Date: 1998-05-11
    Print ISSN: 0031-9007
    Electronic ISSN: 1079-7114
    Topics: Physics
    Published by American Physical Society
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    PAPER CURRENT
  • 3
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    Research in Computational Design at Stanford (1990)
    Springer
    Details
    Publication Date: 1990-03-01
    Print ISSN: 0934-9839
    Electronic ISSN: 1435-6066
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Technology
    Published by Springer
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    PAPER CURRENT
  • 4
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    Computational vision (1981)
    In:  Other Sources
    Details
    Publication Date: 2011-08-18
    Description: The range of fundamental computational principles underlying human vision that equally apply to artificial and natural systems is surveyed. There emerges from research a view of the structuring of vision systems as a sequence of levels of representation, with the initial levels being primarily iconic (edges, regions, gradients) and the highest symbolic (surfaces, objects, scenes). Intermediate levels are constrained by information made available by preceding levels and information required by subsequent levels. In particular, it appears that physical and three-dimensional surface characteristics provide a critical transition from iconic to symbolic representations. A plausible vision system design incorporating these principles is outlined, and its key computational processes are elaborated.
    Keywords: BEHAVIORAL SCIENCES
    Type: IEEE; vol. 69
    Format: text
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    NASA TECHNICAL REPORTS
  • 5
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    Computational approaches to vision (1986)
    In:  Other Sources
    Details
    Publication Date: 2011-08-19
    Description: Vision is examined in terms of a computational process, and the competence, structure, and control of computer vision systems are analyzed. Theoretical and experimental data on the formation of a computer vision system are discussed. Consideration is given to early vision, the recovery of intrinsic surface characteristics, higher levels of interpretation, and system integration and control. A computational visual processing model is proposed and its architecture and operation are described. Examples of state-of-the-art vision systems, which include some of the levels of representation and processing mechanisms, are presented.
    Keywords: BEHAVIORAL SCIENCES
    Format: text
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    NASA TECHNICAL REPORTS
  • 6
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    Research in interactive scene analysis (1980)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: The recovery of information about the three dimensional structure and physical characteristics of surfaces depicted in an image was studied focusing on two complementary problems: (1) basic techniques for inferring three dimensional surface shape from two dimensional images and (2) means for integrating the results of different techniques to obtain a globally consistent surface description. A technique was developed for constraining surface orientation along image contours that correspond to surface boundaries. A means for interpolating surface orientation estimates from a variety of sources into smooth surfaces--a major integration problem--was also developed. A computational model, based on these techniques, was proposed for inferring the three dimensional surface structure depicted in a line drawing.
    Keywords: BEHAVIORAL SCIENCES
    Type: NASA-CR-163196
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 7
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    Research in interactive scene analysis (1975)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: An interactive scene interpretation system (ISIS) was developed as a tool for constructing and experimenting with man-machine and automatic scene analysis methods tailored for particular image domains. A recently developed region analysis subsystem based on the paradigm of Brice and Fennema is described. Using this subsystem a series of experiments was conducted to determine good criteria for initially partitioning a scene into atomic regions and for merging these regions into a final partition of the scene along object boundaries. Semantic (problem-dependent) knowledge is essential for complete, correct partitions of complex real-world scenes. An interactive approach to semantic scene segmentation was developed and demonstrated on both landscape and indoor scenes. This approach provides a reasonable methodology for segmenting scenes that cannot be processed completely automatically, and is a promising basis for a future automatic system. A program is described that can automatically generate strategies for finding specific objects in a scene based on manually designated pictorial examples.
    Keywords: COMPUTER OPERATIONS AND HARDWARE
    Type: NASA-CR-146294
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 8
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    Research in interactive scene analysis (1976)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: Cooperative (man-machine) scene analysis techniques were developed whereby humans can provide a computer with guidance when completely automated processing is infeasible. An interactive approach promises significant near-term payoffs in analyzing various types of high volume satellite imagery, as well as vehicle-based imagery used in robot planetary exploration. This report summarizes the work accomplished over the duration of the project and describes in detail three major accomplishments: (1) the interactive design of texture classifiers; (2) a new approach for integrating the segmentation and interpretation phases of scene analysis; and (3) the application of interactive scene analysis techniques to cartography.
    Keywords: COMPUTER OPERATIONS AND HARDWARE
    Type: NASA-CR-146667
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 9
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    A scene-analysis approach to remote sensing (1978)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: The author has identified the following significant results. Geometric correspondance between a sensed image and a symbolic map is established in an initial stage of processing by adjusting parameters of a sensed model so that the image features predicted from the map optimally match corresponding features extracted from the sensed image. Information in the map is then used to constrain where to look in an image, what to look for, and how to interpret what is seen. For simple monitoring tasks involving multispectral classification, these constraints significantly reduce computation, simplify interpretation, and improve the utility of the resulting information. Previously intractable tasks requiring spatial and textural analysis may become straightforward in the context established by the map knowledge. The use of map-guided image analysis in monitoring the volume of water in a reservoir, the number of boxcars in a railyard, and the number of ships in a harbor is demonstrated.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: E79-10029 , NASA-CR-157916
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 10
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    Map-guided interpretation of remotely-sensed imagery (1979)
    In:  Other Sources
    Details
    Publication Date: 2019-07-13
    Description: A map-guided approach to interpretation of remotely sensed imagery is described, with emphasis on applications involving continuous monitoring of predetermined ground sites. Geometric correspondence between a sensed image and a symbolic reference map is established in an initial stage of processing by adjusting parameters of a sensor model so that image features predicted from the map optimally match corresponding features extracted from the sensed image. Information in the map is then used to constrain where to look in an image and what to look for. With such constraints, previously intractable remote sensing tasks can become feasible, even easy, to automate. Four illustrative examples are given, involving the monitoring of reservoirs, roads, railroad yards, and harbors.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: Conference on Pattern Recognition and Image Processing; Aug 06, 1979 - Aug 08, 1979; Chicago, IL
    Format: text
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    NASA TECHNICAL REPORTS
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