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Sunday, January 9, 2011

Types of aerial photographs

Oblique photographs

Photographs taken at an angle are called oblique photographs. If they are taken almost straight down are sometimes called low oblique and photographs taken from a shallow angle are called high oblique.

 Vertical photographs

Vertical photographs are taken straight down. They are mainly used in photogrammetry and image interpretation. Pictures that will be used in photogrammetry are traditionally taken with special large format cameras with calibrated and documented geometric properties.

 

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