CN112640461A - 映射方法、编码器、解码器以及计算机存储介质 - Google Patents

映射方法、编码器、解码器以及计算机存储介质 Download PDF

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Publication number
CN112640461A
CN112640461A CN201980057204.XA CN201980057204A CN112640461A CN 112640461 A CN112640461 A CN 112640461A CN 201980057204 A CN201980057204 A CN 201980057204A CN 112640461 A CN112640461 A CN 112640461A
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China
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mip
mode
image block
value
intra
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CN201980057204.XA
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霍俊彦
马彦卓
万帅
杨付正
李新伟
王海鑫
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Priority to CN202110479770.9A priority Critical patent/CN113225563B/zh
Publication of CN112640461A publication Critical patent/CN112640461A/zh
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/11—Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/186—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a colour or a chrominance component
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Error Detection And Correction (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)

Abstract

一种映射方法、编码器、解码器以及计算机存储介质，该方法可以包括：判断对当前图像块进行编码或者解码时使用的帧内预测模式(S1001)，如果帧内预测模式是MIP模式，将MIP模式映射为第一非MIP模式(S1002)，如果帧内预测模式是非MIP模式，将非MIP模式映射为第二MIP模式(S1003)。

Description

PCT国内申请，说明书已公开。

Claims (16)

  1. PCT国内申请，权利要求书已公开。
CN201980057204.XA 2019-06-25 2019-06-25 映射方法、编码器、解码器以及计算机存储介质 Pending CN112640461A (zh)

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PCT/CN2019/092701 WO2020258013A1 (zh) 2019-06-25 2019-06-25 映射方法、编码器、解码器以及计算机存储介质

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EP (2) EP4221210A1 (zh)
JP (1) JP2022525770A (zh)
KR (1) KR20220022902A (zh)
CN (2) CN113225563B (zh)
AU (1) AU2019454117B2 (zh)
CA (1) CA3121563C (zh)
IL (1) IL283494A (zh)
MX (1) MX2021007837A (zh)
PH (1) PH12021551261A1 (zh)
RU (1) RU2767323C1 (zh)
SG (1) SG11202106235VA (zh)
WO (1) WO2020258013A1 (zh)
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WO2020221373A1 (en) 2019-05-01 2020-11-05 Beijing Bytedance Network Technology Co., Ltd. Matrix-based intra prediction using filtering
CN117097912A (zh) 2019-05-01 2023-11-21 北京字节跳动网络技术有限公司 基于矩阵的帧内预测的上下文编码
CN117412039A (zh) 2019-05-22 2024-01-16 北京字节跳动网络技术有限公司 使用上采样的基于矩阵的帧内预测
WO2020239017A1 (en) 2019-05-31 2020-12-03 Beijing Bytedance Network Technology Co., Ltd. One-step downsampling process in matrix-based intra prediction
WO2020244610A1 (en) 2019-06-05 2020-12-10 Beijing Bytedance Network Technology Co., Ltd. Context determination for matrix-based intra prediction
WO2021083188A1 (en) 2019-10-28 2021-05-06 Beijing Bytedance Network Technology Co., Ltd. Syntax signaling and parsing based on colour component

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EP3886435A1 (en) 2021-09-29
ZA202103764B (en) 2022-10-26
CA3121563A1 (en) 2020-12-30
AU2019454117A1 (en) 2021-06-17
MX2021007837A (es) 2021-08-11
US20230046175A1 (en) 2023-02-16
US20230051649A1 (en) 2023-02-16
CN113225563B (zh) 2023-07-18
PH12021551261A1 (en) 2021-10-25
IL283494A (en) 2021-07-29
US11902538B2 (en) 2024-02-13
CA3121563C (en) 2024-06-11
KR20220022902A (ko) 2022-02-28
EP3886435A4 (en) 2022-01-26
EP4221210A1 (en) 2023-08-02
RU2767323C1 (ru) 2022-03-17
US20210266568A1 (en) 2021-08-26
AU2019454117B2 (en) 2022-09-01
CN113225563A (zh) 2021-08-06
SG11202106235VA (en) 2021-07-29
US11546608B2 (en) 2023-01-03
JP2022525770A (ja) 2022-05-19
WO2020258013A1 (zh) 2020-12-30

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