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:
Apr. 09, 2013
Filed:
Apr. 03, 2007
Ryosuke Mizuno, Shinagawa-ku, JP;
Yukihiko Sakashita, Kawasaki, JP;
Ryosuke Mizuno, Shinagawa-ku, JP;
Yukihiko Sakashita, Kawasaki, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A first conversion characteristic is calculated from image information of a first image region including target pixel of an input image, a second conversion characteristic is calculated from image information of a second image region including the first image region, and a third conversion characteristic is calculated using the first and second conversion characteristics and a weighted coefficient. Then, a luminance value of the target pixel is converted and outputted based on the third conversion characteristic.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile