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:
May. 22, 2018
Filed:
Sep. 15, 2008
Applicants:
Yali Liu, Davis, CA (US);
Xiaoan LU, Princeton, NJ (US);
Cristina Gomila, Princeton, NJ (US);
Qian Xu, Plainsboro, NJ (US);
Inventors:
Yali Liu, Davis, CA (US);
Xiaoan Lu, Princeton, NJ (US);
Cristina Gomila, Princeton, NJ (US);
Qian Xu, Plainsboro, NJ (US);
Assignee:
Thomson Licensing DTV, , FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 7/26 (2006.01); H04N 19/196 (2014.01); H04N 19/149 (2014.01); H04N 19/61 (2014.01); H04N 19/126 (2014.01); H04N 19/152 (2014.01); H04N 19/192 (2014.01);
U.S. Cl.
CPC ...
H04N 19/198 (2014.11); H04N 19/126 (2014.11); H04N 19/149 (2014.11); H04N 19/152 (2014.11); H04N 19/192 (2014.11); H04N 19/196 (2014.11); H04N 19/61 (2014.11);
Abstract
Methods and apparatus are provided for rate control accuracy in video encoding and decoding. An apparatus includes a video encoder for encoding image data using rate control. The rate control involves estimating a quantization step size and adjusting a rounding offset. The rounding offset is capable of being non-constant during the encoding.