Method and apparatus for contour mapping and orthophoto mapping

Details Method and apparatus for contour mapping and orthophoto mapping Method and apparatus for contour mapping and orthophoto mapping

1975-02-18

1976-04-13

Smith, Alfred E.

Optics: measuring and testing

Contour plotting

350162SF, G01C 1108

Patent

active

039500977

ABSTRACT:
This invention describes an analog system for the automation of the stereocompilation process and for producing contour maps and orthophoto maps. It employs a combination of coherent optical and electronic techniques for the correlation of stereophoto pairs and thus the computation of parallaxes in the photogrammetric sense, for the selection of specific parallaxes, and for the production of contour maps and orthophoto maps.
The system in a basic form reproduces perspective contours of the imagery, and in a more complete system corrects the perspective contours into orthographic contours and orthophoto-maps.

REFERENCES:
patent: 3602593 (1971-08-01), Krulikoski et al.
patent: 3603682 (1971-09-01), Sheridon et al.
Krulikoski et al. "Automatic Optical Profiling," Photogrammetric Engineering, Vol. XXXVII, No. 1, Jan. 1971 pp. 76-84.

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