Positive and negative transparencies of a stereo-pair of photographs of terrain are projected in a double-projection stereoplotter apparatus to produce an image containing a uniform density line having extended continuity and distinguishable from the overall showing which appears so as to provide a profile signature of a plane intersecting the terrain. Edge enhancement of the photographs aids in establishing a more definitive profile signature. (Author)
Automatic Stereoscopic Profiling System
1970
9 pages
Report
Keine Angabe
Englisch
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