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:
Dec. 05, 2017

Filed:

Dec. 04, 2013
Applicant:

Canon Kabushiki Kaisha, Tokyo, JP;

Inventor:

Hiroyuki Ohsawa, Chiba, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01B 11/02 (2006.01); G01B 11/25 (2006.01); G06T 7/521 (2017.01);
U.S. Cl.
CPC ...
G01B 11/026 (2013.01); G01B 11/25 (2013.01); G06T 7/521 (2017.01); G06T 2207/10152 (2013.01);
Abstract

A distance measuring apparatus includes at least one projection unit configured to project a light pattern on a target object, at least one imaging unit configured to capture an image of the target object on which the light pattern is projected, an acquisition unit configured to acquire information about a distance from the projection unit or the imaging unit to the target object based on the image captured by the imaging unit, a grouping unit configured to group surfaces of the target object, and a determination unit configured to determine a light pattern to be projected by the projection unit based on the surfaces grouped by the grouping unit.


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