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. 21, 2004
Filed:
Jun. 19, 2001
Applicant:
Inventors:
Chunliang Bao, San Jose, CA (US);
Jin Ji, Sunnyvale, CA (US);
Assignee:
SmartASIC, Inc., San Jose, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G09G 5/02 ; H04N 5/46 ; H04N 9/74 ; H04N 5/21 ; G06K 9/00 ;
U.S. Cl.
CPC ...
G09G 5/02 ; H04N 5/46 ; H04N 9/74 ; H04N 5/21 ; G06K 9/00 ;
Abstract
A method and system enhances the color of an image by manipulating the chrominance and/or luminance signals of the image. Specifically, a color enhancement system sharpens color changes for better picture quality on digital display systems. In one embodiment of the present invention, color changes are detected by a color change detection unit. If the color changes are significant, a color change sharpening unit sharpens the color change to enhance the image.