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:
Feb. 21, 2012
Filed:
Sep. 22, 2006
Applicant:
Qinghai Wang, Shanghai, CN;
Inventor:
Qinghai Wang, Shanghai, CN;
Assignee:
Pixelworks, Inc., Portland, OR (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 7/12 (2006.01); H04N 11/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
We describe a method for reducing the block effect in video file compression including inspecting an image in a row and column direction, calculating an intensity vector of the block effect responsive to the inspecting, obtaining distribution data for the block effect responsive to the intensity vector, determining position information of the block effect responsive to the distribution data, and filtering the image responsive to the intensity vector and the position information.
Wang, Qinghai. (2012). Reducing the block effect in video file compression (U.S. Patent No. 8121199). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8121199
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