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. 22, 2009
Filed:
Aug. 05, 2005
Applicants:
Jeffrey Matthew Achong, Brampton, CA;
Hui Zhou, Toronto, CA;
Ian Clarke, North York, CA;
Inventors:
Assignee:
Seiko Epson Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06K 9/40 (2006.01); G06K 9/38 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method of enhancing contrast in a digital image comprises isolating pixels of the image having intensities falling within a low intensity range, determining at least one feature of the pixel distribution with the range and adjusting intensities of pixels in the image to make the pixels within the range more visually distinct. An apparatus for enhancing contrast in a digital image is also provided.
Achong, Jeffrey. (2009). Method and apparatus for increasing contrast in a digital image (U.S. Patent No. 7593591). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7593591
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile