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:
Jul. 29, 2008
Filed:
May. 30, 2003
Lifeng Zhao, Sunnyvale, CA (US);
Ioannis Katsavounidis, Palo Alto, CA (US);
Kuo-wei Hsu, San Lorenzo, CA (US);
Lifeng Zhao, Sunnyvale, CA (US);
Ioannis Katsavounidis, Palo Alto, CA (US);
Kuo-Wei Hsu, San Lorenzo, CA (US);
Intervideo, Inc., Fremont, CA (US);
Abstract
The invention is related to methods and apparatus that can advantageously be used in a video encoder to improve picture quality, to improve the speed of encoding, and the like. One embodiment of the invention advantageously computes activity measures using an efficient L1-norm, which can advantageously be relatively quickly computed by selected microprocessors. Another embodiment of the invention advantageously allocates bits to macroblocks of a picture based at least in part on the motion activities of the macroblocks.