Patent ID: 9729890
Date: 2017-08-08
CPC Classifications: H04N

Claim:
1. A method of significance map coding for TUs (transform units) of video data using context selection tables, the method comprising: receiving at least one context selection table for a first TU associated with a first color component, wherein the first TU has a first size selected from a group consisting of 4×4 and 8×8; determining entries of a second context selection table for a second TU associated with a second color component from said at least one context selection table, wherein the second TU has a second size selected from the group consisting of 4×4 and 8×8, wherein the second size is different from the first size, the second color component is different from the first color component, or both the second size is different from the first size and the second color component is different from the first color component; and providing the second context selection table for significance map coding processing of the second TU, wherein said determining the entries of the second context selection table for the second TU comprises one of: