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:
Apr. 23, 2019

Filed:

Jan. 30, 2015
Applicant:

Clarion Co., Ltd., Saitama, JP;

Inventors:

Yasuhiro Akiyama, Tokyo, JP;

Katsuyuki Nakamura, Tokyo, JP;

Kota Irie, Saitama, JP;

Assignee:

Clarion Co., Ltd., Saitama, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06K 9/00 (2006.01); H04N 7/18 (2006.01); G08G 1/16 (2006.01); B60R 11/04 (2006.01);
U.S. Cl.
CPC ...
G06K 9/00791 (2013.01); B60R 11/04 (2013.01); G06K 9/00798 (2013.01); G08G 1/166 (2013.01); H04N 7/188 (2013.01);
Abstract

An outside recognition system configured to include a camera installed on a vehicle, to analyze an image from the camera, and to recognize surroundings of the vehicle based on an analysis result of the image from the camera comprises a dirtiness detection unit which determines, as at least one reference line, at least one line on a part of at least one object that does not change in the image from the camera even if the vehicle travels, determines an observation line that corresponds to each of the at least one reference line with the image from the camera, calculates an amount by which the observation line is displaced from each of the at least one reference line, and detects whether dirt adheres to the camera based on the amount of displacement.


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