Apparatus and method for determining object elevation and height from images thereof
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United States of America Patent
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Feb 9, 1988
Grant Date -
N/A
app pub date -
Sep 11, 1984
filing date -
Sep 11, 1984
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A cartographic apparatus for determination of the elevations of features and heights of objects from stereoscopic images of complementing input records includes a parallax bar and movable reticles for generating a floating mark over points of interest in the records. The apparatus also includes a microprocessor to compute compensation factors based on values determined during initial set up and means responsive to those factors to compensate automatically for y parallax and for errors in x parallax difference as the floating mark is moved and to compute automatically object heights and feature elevations.
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