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.:
Date of Patent:
Sep. 02, 2014
Filed:
Dec. 01, 2011
Motonobu Mihara, Kawasaki, JP;
Masayoshi Shimizu, Kawasaki, JP;
Motonobu Mihara, Kawasaki, JP;
Masayoshi Shimizu, Kawasaki, JP;
Fujitsu Limited, Kawasaki-shi, JP;
Abstract
An image display device includes a creation unit configured to calculate histogram data before correction that indicates a luminance distribution from an input image data; a clip processing unit configured to set a value of the number of pixels of a tone to an upper threshold when the tone among tones of luminance values in the histogram data; an addition unit configured to add a value of the number of pixels based on a difference between the upper threshold and a value of the number of pixels for each tone that is set to the upper threshold in the histogram data before correction to a value of the number of pixels of at least a part of tones that are present between a first luminance value and a second luminance value and to output obtained corrected histogram data; and a correction unit configured to correct the input image data.