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. 29, 2013

Filed:

Jun. 16, 2009
Applicant:

Masaru Muramatsu, Kawasaki, JP;

Inventor:

Masaru Muramatsu, Kawasaki, JP;

Assignee:

Nikon Corporation, Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N 5/202 (2006.01);
U.S. Cl.
CPC ...
Abstract

Image processing capable of improving bright and dark part gradation is performed while maintaining apparent contrast by providing an imaging unit generating image data, a selecting unit selecting either a first mode not performing a correction on a dark part gradation of the image data or a second mode performing the correction, a gradation conversion processing unit performing gradation conversion processing according to a first characteristic when the first mode is selected and performing the gradation conversion processing according to a second characteristic which includes a characteristic achieving, for a same input level, an output level lower than the first characteristic and includes a characteristic changing contrast when the second mode is selected, and a correcting unit performing the correction to improve a lightness in the dark part gradation of the image data according to the second characteristic by the gradation conversion processing unit when the second mode is selected.


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