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c.4| STEREORESTITUTION

The digital photogrammetric imaging is performed by internal orientation, relative orientation using automatic and semi-automatic methods of correlation and determination of absolute orientation in space of each frames. Following these steps to create stereoscopic models (pairs of oriented frames) which can thus be operated independently. Given the necessary high points in the absolute orientation, large photogrammetric projects should be an initial points corresponding infill land - image, so each stereoscopic model points with coordinates contain frames and system ground system. This operation is performed automatically or semi-automatically by the process called aerotriangulation.

Following aerotriangulation orientation parameters are obtained outside of photograms and performs operations by extracting information so called stereorestitution process.
Stereorestitution is stereoscopic method scroll patterns and details contained therein linear with a special cursor, generating digital map of that area is in vector format, then edit the automatic mapping software. Likewise necessary points are extracted and 3D modeling or contour is drawn to represent the landscape.

 

Stereorestitution

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