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:
Oct. 18, 2016

Filed:

Aug. 07, 2013
Applicant:

Keisoku Giken Co., Ltd., Yokohama-shi, Kanagawa, JP;

Inventor:

Seiichi Gohshi, Tokyo, JP;

Assignee:

KEISOKU GIKEN CO., LTD., Yokohama, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06K 9/40 (2006.01); G06T 5/00 (2006.01); G06T 5/20 (2006.01); H04N 5/208 (2006.01); H04N 1/409 (2006.01);
U.S. Cl.
CPC ...
G06T 5/00 (2013.01); G06T 5/003 (2013.01); G06T 5/20 (2013.01); H04N 1/4092 (2013.01); H04N 5/208 (2013.01); G06T 2207/20192 (2013.01);
Abstract

An image enhancement apparatus according to the present invention for generating an output image obtained by sharpening an input image includes a non-linear processing unit configured to carry out non-linear processing on an input image signal representing the input image, a filter unit configured to generate a second signal by removing at least a DC component of the frequency components included in the first signal, a limiter configured to generate a third signal by adjusting the second signal, and an adder configured to generate an output image signal representing the output image by adding the third signal to the input image signal.


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