General principle of photogrammetry
Photogrammetry
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General principle of photogrammetry
Photogrammetry

Author : Michel KASSER

Publication date: August 10, 2015, Review date: June 25, 2021 | Lire en français

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2. General principle of photogrammetry

2.1 Stereoscopic vision and image acquisition

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2.1.1 Geometric aspects

The general principle is based on human perception of relief through stereoscopic observation. In aerial photogrammetry, an airplane equipped with a camera flies over a region, so that part of the terrain appears on at least two shots corresponding to two successive positions of the plane.

By simultaneously observing one image with one eye and the second with the other, using an appropriate optical tool (stereoscope with...

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