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1. CN112771861 - INTRA-FRAME CHROMATICITY PREDICTION METHOD AND DEVICE, AND COMPUTER STORAGE MEDIUM

Office
China
Application Number 201980062647.8
Application Date 02.01.2019
Publication Number 112771861
Publication Date 07.05.2021
Publication Kind A
IPC
H04N 19/11
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
19Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
10using adaptive coding
102characterised by the element, parameter or selection affected or controlled by the adaptive coding
103Selection of coding mode or of prediction mode
11among a plurality of spatial predictive coding modes
CPC
H04N 19/11
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
19Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
10using adaptive coding
102characterised by the element, parameter or selection affected or controlled by the adaptive coding
103Selection of coding mode or of prediction mode
11among a plurality of spatial predictive coding modes
Applicants OPPO GUANGDONG MOBILE TELECOMMUNICATIONS CO., LTD.
OPPO广东移动通信有限公司
Inventors HUO JUNYAN
霍俊彦
MA YANZHUO
马彦卓
WAN SHUAI
万帅
YANG FUZHENG
杨付正
LI XINWEI
李新伟
Agents 北京派特恩知识产权代理有限公司 11270
北京派特恩知识产权代理有限公司 11270
Title
(EN) INTRA-FRAME CHROMATICITY PREDICTION METHOD AND DEVICE, AND COMPUTER STORAGE MEDIUM
(ZH) 色度帧内预测方法和装置、及计算机存储介质
Abstract
(EN)
Disclosed are an intra-frame chromaticity prediction method, a decoder, and a computer storage medium. The intra-frame chromaticity prediction method comprises: acquiring a DM corresponding to a current chromaticity block from a data stream corresponding to the current chromaticity block (101); if the DM is in a DC mode or a planar mode, acquiring a set of chromaticity prediction modes according to an optimized backup mode, wherein the set of chromaticity prediction modes is used to perform chromaticity reconstruction on the current chromaticity block (102).

(ZH)
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)。

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