Ranging apparatus, ranging method, and ranging program

Details Ranging apparatus, ranging method, and ranging program Ranging apparatus, ranging method, and ranging program

2007-02-13

2007-02-13

Tarcza, Thomas H. (Department: 3662)

Optics: measuring and testing

Range or remote distance finding

With photodetection

C356S004010, C356S004020, C356S004030

Reexamination Certificate

active

10813714

ABSTRACT:
A ranging apparatus which determines distances to objects by using planar positions of the objects in images which are obtained by cameras which take the images, plural distortion correction tables used to correct distortion of images taken by the cameras wherein the distortion correction are made for progressively determined ranging distances of a target object, a corrective computer which generates corrected images using the distortion correction tables, being corrected for eliminating distortion caused by optical systems of the cameras, corresponding to the progressively determined ranging distances in which the images are taken by the cameras, a selector which selects a most appropriately corrected image among the corrected images and a ranging computer which computes a distance to the object viewed in the selected corrected image.

REFERENCES:
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patent: 6211911 (2001-04-01), Komiya et al.
patent: 6229625 (2001-05-01), Nakatsuka
patent: 7015954 (2006-03-01), Foote et al.
patent: 2002/0180931 (2002-12-01), Dick et al.
patent: 2002/0191839 (2002-12-01), Ito et al.
patent: 2002/0196423 (2002-12-01), Shima
patent: 2004/0080661 (2004-04-01), Afsenius et al.
patent: 11-355813 (1999-12-01), None

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