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.

Date of Patent:
Mar. 08, 2016

Filed:

Jun. 26, 2014
Applicant:

Blackberry Limited, Waterloo, CA;

Inventors:

Dake He, Waterloo, CA;

Xiang Yu, Waterloo, CA;

Jing Wang, Waterloo, CA;

En-hui Yang, Waterloo, CA;

Assignee:

BlackBerry Limited, Waterloo, Ontario, CA;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N 19/124 (2014.01); H04N 19/176 (2014.01); H04N 19/70 (2014.01); H04N 19/147 (2014.01); H04N 19/172 (2014.01); H04N 19/196 (2014.01); H04N 19/61 (2014.01); H04N 19/463 (2014.01); H04N 19/177 (2014.01); H04N 19/174 (2014.01); H04N 19/192 (2014.01); H04N 19/194 (2014.01);
U.S. Cl.
CPC ...
H04N 19/0009 (2013.01); H04N 19/124 (2014.11); H04N 19/147 (2014.11); H04N 19/172 (2014.11); H04N 19/174 (2014.11); H04N 19/176 (2014.11); H04N 19/177 (2014.11); H04N 19/192 (2014.11); H04N 19/196 (2014.11); H04N 19/463 (2014.11); H04N 19/61 (2014.11); H04N 19/70 (2014.11); H04N 19/194 (2014.11);
Abstract

Encoding and decoding methods are presented that used offset-based adaptive reconstruction levels. The offset data is inserted in the bitstream with the encoded video data. The offset data may be differential data and may be an index to an array of offset values from which the differential offset is calculated by the decoder. The offset to an adaptive reconstruction level may be adjusted for each slice. The offsets may be specific to a particular level/index and data type. In some cases, offsets may only be sent for a subset of the levels. Higher levels may apply no offset, may apply an average offset, or may apply the offset used for the highest level having a level-specific offset.


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