The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jan. 02, 2018

Filed:

Sep. 17, 2013
Applicant:

Canon Kabushiki Kaisha, Tokyo, JP;

Inventors:

Tomoaki Higo, Tokyo, JP;

Kazuyuki Ota, Yokohama, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01C 3/08 (2006.01); G01B 11/25 (2006.01);
U.S. Cl.
CPC ...
G01B 11/25 (2013.01);
Abstract

An information processing apparatus includes at least one projection unit configured to project a light pattern on a measuring target object, at least one imaging unit configured to capture an image of the measuring target object with the light pattern projected thereon, a measurement unit configured to measure a distance from the at least one projection unit or imaging unit to the measuring target object based on the image captured by the at least one imaging unit, a determination unit configured to determine whether a measured distance is valid, and a control unit configured to reduce luminance of a light pattern, included in a projected light pattern, which is projected on an area with respect to which the measured distance is determined by the determination unit to be valid.


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