PL-photo3D is a Freeware dedicated to Non-Linear Photogrammetry.
Photogrammetry is the technique of measuring objects (3D) from photographs.
Only pairs of photographs taken with the same cam (same settings) are required to calculate the 3D-space coordinates of objects in a scene.
The optical parameters of the cam (Focal distance, Distortion characteristics) as well as the location and orientation of the cam do not need to be known in advance, if Control Points are used.
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