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:
Nov. 19, 2002
Filed:
Feb. 03, 2000
Ching-Fang Chang, San Jose, CA (US);
Naofumi Yanagihara, Tokyo, JP;
Other;
Abstract
In image encoding methods or systems, first and second motion vectors are determined for the two fields comprising a frame based on a field search. The first and second motion vectors then may be used to determine whether a frame prediction search is necessary. If the difference between motion vectors for the two fields of the frame is less than a threshold, the frame search should be performed. A suitable threshold may be calculated or described in any number of ways, however, in one embodiment of the present invention, the threshold is dynamic that changes in response to the changing information in either preceding or succeeding fields.
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