Womble Bond Dickinson (US) LLP
Intra prediction mode derivation based on neighboring blocks
A method for constructing a Most Probable Mode (MPM) list for intra prediction, the method comprising: determining whether a left neighboring block of a current coding block is available or not; determining whether an above neighboring block of the current coding block is available or not; using a Planar mode, a DC mode, a vertical mode (VER_IDX), a horizontal mode (HOR_IDX), an intra prediction mode corresponding to the vertical mode with an offset −4, an intra prediction mode corresponding to the vertical mode with an offset 4, to obtain a value of an intra prediction mode for the current coding block when one of conditions is satisfied. The MPM list is used to obtain an index value corresponding to a prediction mode of a picture block, so as to improve coding efficiency.
HUAWEI TECHNOLOGIES CO., LTD.
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Biao Semih Zhijie Anand Meher Han Jianle
Wang Esenlik Zhao Kotra Gao Chen