阅读说明：本技术 色度帧内预测方法和装置、及计算机存储介质 (Chroma intra prediction method and apparatus, and computer storage medium ) 是由 霍俊彦 马彦卓 万帅 杨付正 李新伟 于 2019-01-02 设计创作，主要内容包括：一种色度帧内预测方法、解码器及计算机存储介质,该色度帧内预测方法包括：从当前色度块对应的码流数据中获取当前色度块对应的DM(101)；若DM为直流DC模式或者平面Planar模式,则按照优化备选模式,获取色度预测模式集合；其中,色度预测模式集合用于对当前色度块进行色度重建(102)。(A chrominance intra prediction method, a decoder and a computer storage medium, the chrominance intra prediction method comprising: acquiring DM (101) corresponding to the current chroma block from code stream data corresponding to the current chroma block; if the DM is a direct current DC mode or a plane Planar mode, acquiring a chromaticity prediction mode set according to an optimized alternative mode; wherein the set of chroma prediction modes is used for chroma reconstruction (102) of the current chroma block.)