What is photogrametry and when we need it?

Posted on Jul 8, 2007 By : Mizake Laziaf
What is photogrametry

Photogrammetry is a technology to get information of an object by photon media, which is recorded on film or electronic sensor.

The information will be get after geometric correction from photo to the reality and object interpretation.

Geometric correction will be done by reconstruction of photo or image to the time of exposure with consideration of optical-, perspective- and relief distortion.

When photogrammetry is needed?

Photogrammetry will be used to get information of 3D-geometry and radiometry of earth surface over relatively large area and in relatively close time.

The methods is non contact, non disturbing, and non destructive.


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