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:
Mar. 17, 2020
Filed:
Aug. 29, 2016
Applicant:
Blackberry Limited, Waterloo, CA;
Inventors:
Nguyen Nguyen, Seattle, WA (US);
Dake He, Waterloo, CA;
Assignee:
BLACKBERRY LIMITED, Waterloo, Ontario, CA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N 19/44 (2014.01); H04N 19/46 (2014.01); H04N 19/124 (2014.01); H04N 19/18 (2014.01);
U.S. Cl.
CPC ...
H04N 19/44 (2014.11); H04N 19/124 (2014.11); H04N 19/18 (2014.11); H04N 19/46 (2014.11);
Abstract
Methods and devices for reconstructing coefficient levels from a bitstream of encoded video data for a coefficient group in a transform unit. Greater-than-one flags are encoded by grouping them into tuples and by encoding a tuple-based value that is a function of the greater-than-one flags within that tuple. The tuple-based value may permit the decoder to infer the greater-than-one flags in some cases, in which case they are not encoded in the bitstream.