Patent ID: 11909980
Assignee: BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD.
Field: nan (nan)
Classification: CPC nan | IPC H

Claim 3:
4. The method of claim 1, wherein the rule further specifies that when the value of the first variable indicates that the chroma block does not locate at the boundary of the coding tree unit comprising the chroma block and the color format of the chroma block is 4:2:0, pSelDsY[i] is equal to (pY[SubWidthC*x][−3]+pY[SubWidthC*x−1][−2]+4*pY[SubWidthC*x][−2]+pY[SubWidthC*x+1][−2]+pY[SubWidthC*x][−1]+4)>>3 in response to the first syntax element having a value of 1, where pSelDsY[i] denotes a down-sampled collocated luma sample with an index of i, and pY[m][n] denotes a neighbouring luma sample with a location of (m, n).