Oblon, McClelland, Maier & Neustadt, L.L.P.
Method and apparatus for intra prediction for non-square blocks in video compression
A method for video decoding includes determining, for a current block that is a non-square block, whether an angular intra prediction mode for the current block is a wide angle mode that is in a direction outside of a range of directions that spans a bottom left diagonal direction and top right diagonal direction of the current block. The method further includes, in response to determining that the angular intra prediction mode is the wide angle mode, enabling an intra smooth filter and applying the enabled intra smoothing filter to blocks neighboring the current block to generate filtered blocks. The method further includes performing intra prediction based on the filtered blocks to decode the current block.
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Xin Xiang Shan Liang
Zhao Li Liu Zhao