Measuring distance using perspective

Details Measuring distance using perspective Measuring distance using perspective

2008-05-13

2008-05-13

Tarcza, Thomas H. (Department: 3662)

Optics: measuring and testing

Range or remote distance finding

With photodetection

Reexamination Certificate

active

07372550

ABSTRACT:
A method is disclosed for measuring distance from a camera to parts of a scene using a characterization of perspective distortion in a photograph of the scene. In one example embodiment, a first distance measurement is obtained from the camera to a first point in the scene, the perspective distortion is characterized, and the distance to at least one other point on a plane in the scene is computed based on the first distance measurement and the perspective characterization.

REFERENCES:
patent: 6400848 (2002-06-01), Gallagher
patent: 6842189 (2005-01-01), Park

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