公开(公告)号：US20160142706A1

公开(公告)日：2016-05-19

申请号：US15007509

申请日：2016-01-27

Applicant: MediaTek Inc.

Inventor： Tzu-Der Chuang ,  Ching-Yeh Chen ,  Yu-Wen Huang ,  Shan Liu ,  Zhi Zhou ,  Shaw-Min Lei

IPC: H04N19/11 ,  H04N19/169 ,  H04N19/176 ,  H04N19/44 ,  H04N19/136

Abstract: A method for chroma intra prediction mode decoding includes decoding a chroma intra prediction mode for a current chroma block according to a codeword set corresponding to a chroma intra prediction mode set, wherein the codeword set comprises at least one codeword with a first length type and at least one codeword with a second length type. If a codeword is one of said at least one codeword with the first length type, the chroma intra prediction mode is decoded as a Luma-based chroma prediction Mode (LM) or a Direct Mode (DM). The method also includes determines the chroma intra prediction mode based on an intra prediction mode of a current luma block if the chroma intra prediction mode is the DM.

Abstract translation: 色度帧内预测模式解码方法包括根据对应于色度帧内预测模式集合的码字集解码当前色度块的色度帧内预测模式，其中码字组包括至少一个第一长度类型的码字， 具有第二长度类型的至少一个码字。 如果码字是具有第一长度类型的所述至少一个码字之一，则色度帧内预测模式被解码为基于亮度的色度预测模式（LM）或直接模式（DM）。 该方法还包括如果色度帧内预测模式是DM，则基于当前亮度块的帧内预测模式来确定色度帧内预测模式。