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:
Dec. 28, 2010
Filed:
Sep. 08, 2006
Applicants:
Hao Wang, Beijing, CN;
Ying Huang, Beijing, CN;
Inventors:
Hao Wang, Beijing, CN;
Ying Huang, Beijing, CN;
Assignees:
Vimicro Corporation, Beijing, CN;
Wuxi Vimicro Corporation, Jiangsu, CN;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04N 7/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
Techniques for compressing video stream in a video conference are disclosed. According to one aspect of the techniques, the method comprises obtaining a frame image sequence and selecting a reference frame image; determining whether an N-th frame image has acute movements relative to the reference frame image according to a predetermined threshold; and if yes, compressing and transmitting the N-th frame image; otherwise, not compressing and transmitting the N-th frame image; increasing N by 1 and repeating the above operations till the frame image sequence is over.