Oblon, McClelland, Maier & Neustadt, L.L.P.
Method and apparatus for video coding
Aspects of the disclosure provide method and apparatus for video coding. In some examples, an apparatus includes receiving circuitry and processing circuitry. The processing circuitry decodes prediction information of a chroma coding unit in a segment (such as a slice, a tile, a group of tiles) of a current picture from a coded video bitstream. The segment lacks a temporal reference picture and having separate coding tree structures for luma and chroma components. Then, the processing circuitry detects a prediction mode flag associated with the chroma coding unit from the coded video bitstream, and determines, based on the prediction mode flag, a prediction mode from an intra prediction mode and an intra block copy mode for the chroma coding unit. Further, the processing circuitry reconstructs at least one sample of the chroma coding unit according to the determined prediction mode.
Tencent America LLC
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Shan Xiaozhong Xiang
Liu Xu Li