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.

Patent No.:

US 8189949 B1

PDF
Full Text
Expired
Date of Patent:
May. 29, 2012

Filed:

Jun. 05, 2007
Applicant:

Takeshi Akatsuka, Yokohama, JP;

Inventor:

Takeshi Akatsuka, Yokohama, JP;

Assignee:

Nissan Motor Co., Ltd., Yokohama-shi, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06K 9/40 (2006.01);
U.S. Cl.
CPC ...
Abstract

There are provided with an image area setting unit which causes each pixel included in a photographed photograph-image to be a correction target pixel in order, and sets an image area including the correction target pixel and plural pixels existing near the correction target pixel, a prescribed value calculation processing unit which calculates a prescribed value based on brightness information of pixels included in the image area for every image area which has been set, and a brightness adjusting processing unit which divides a brightness target value of the whole photograph-image by the prescribed value to calculate a correction value, and multiplies the brightness information of the correction target pixel by the correction value to execute a brightness correction processing.


Find Patent Forward Citations

Akatsuka, Takeshi. (2012). Image processing apparatus and image processing method (U.S. Patent No. 8189949). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8189949

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