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:
Mar. 16, 2021

Filed:

Feb. 15, 2017
Applicant:

Mitsubishi Electric Corporation, Tokyo, JP;

Inventors:

Hisashi Sugawara, Tokyo, JP;

Ryosuke Torama, Tokyo, JP;

Yudai Nakamura, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06K 9/00 (2006.01); B60W 40/08 (2012.01); G08G 1/16 (2006.01);
U.S. Cl.
CPC ...
G06K 9/00845 (2013.01); B60W 40/08 (2013.01); G06K 9/00248 (2013.01); G06K 9/00335 (2013.01); G06K 9/00604 (2013.01); G08G 1/16 (2013.01); G06K 2009/00328 (2013.01);
Abstract

There are included: a frequency distribution creating unit for referring to the face information detected by the face information detecting unit, and when a preset change occurs in the driver's face, creating a frequency distribution of face information in a preset time section from the face information detected by a face information detecting unit; a mode value calculating unit for calculating a mode value of the face information from the frequency distribution created; and a reference value calculating unit for calculating a reference value indicating a steady state of the driver from the mode value of the face information.


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