Oblon, McClelland, Maier & Neustadt, L.L.P.
Method and apparatus for video coding
Method and decoder for reconstructing at least a sample of a block using an intra prediction angle determined from an intra prediction mode. The method includes decoding at least one syntax element from a coded video sequence. The at least one syntax element is indicative of an intra prediction mode. An intra prediction angle is determined that corresponds to the indicated intra prediction mode based on a stored relationship between a plurality of intra prediction modes and a plurality of intra prediction angles. At least one sample of a block is reconstructed using the intra prediction angle that is determined to correspond to the indicated intra prediction mode. The plurality of intra prediction modes in the stored relationship can include at least one of a first plurality of wide angle prediction modes and a second plurality of wide angle prediction modes. The first plurality of wide angle prediction modes is beyond a bottom left direction diagonal mode and the second plurality of wide angle prediction modes is beyond a top right direction diagonal mode.
Tencent America LLC
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Xin Liang Xiang Shan
Zhao Zhao Li Liu