CONSIDERATIONS IN THE DESIGN OF A SYSTEM FOR THE RAPID ACQUISITION OF GEOGRAPHIC INFORMATION

In response to a need for a capability for more timely creation and revision of digital topographic map data, MacDonald Dettwiler, in cooperation with the Canada Centre for Mapping, has undertaken the development of a Topographic Data Base Revision System (TDBRS). The objective of the system is to create and update digital topographic map data using remotely sensed imagery. Utilizing SPOT satellite imagery and aerial frame photographs as input data sources, the system provides the capabilities for geocorrection, radiometric correction, orthoimage generation, image enhancement, and epipolar pair production of images from those sources. The system provides a high-resolution stereoscopic display and allows graphical superimposition of vector data in stereo. Automatic transformations for DEM extraction, linear feature extraction, and change detection are provided. The system is implemented using the C++ object-oriented programming language and includes an object-oriented database management system. Considerations in the design of the TDBRS are described, particularly in relation to improving the overall production time for map creation and revision.

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  • Corporate Authors:

    American Society for Photogrammetry and Remote Sensing

    5410 Grosvenor Lane, Suite 210
    Bethesda, MD  United States  20814-2160
  • Authors:
    • Ahac, A A
    • Defoe, R
    • van Wijk, M C
  • Publication Date: 1992-1

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  • Accession Number: 00618547
  • Record Type: Publication
  • Files: TRIS
  • Created Date: Jan 31 2003 12:00AM