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:
Aug. 23, 2005
Filed:
Aug. 05, 2002
Kazuto Kamikura, Yokosuka, JP;
Hiroshi Watanabe, Kamakura, JP;
Hirohisa Jozawa, Yokohama, JP;
Nippon Telephone and Telegraph Corporation, Tokyo, JP;
Abstract
A moving image brightness variation compensation method for encoding digital moving images for transmission and storage, and for image processing when editing moving images, the moving image brightness variation compensation method comprising a step of compensating for overall brightness variations by correcting a luminance value x of each pixel according to the formula D·x+D, wherein Dis a parameter indicating a gain change and Dis a parameter indicating a contrast change, the parameters representing overall luminance changes between a reference image plane and an image plane being processed.