CN114731438A - 自适应颜色变换的编解码方法、装置以及视频编解码设备 - Google Patents

自适应颜色变换的编解码方法、装置以及视频编解码设备 Download PDF

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CN114731438A
CN114731438A CN201980102326.6A CN201980102326A CN114731438A CN 114731438 A CN114731438 A CN 114731438A CN 201980102326 A CN201980102326 A CN 201980102326A CN 114731438 A CN114731438 A CN 114731438A
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intra
decoding
prediction mode
adaptive color
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蔡文婷
朱建清
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Fujitsu Ltd
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Fujitsu Ltd
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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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
    • 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
    • H04N19/102—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
    • H04N19/12—Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
    • 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
    • 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
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • 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
    • H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)

Abstract

本申请实施例提供一种自适应颜色变换的编解码方法、装置以及视频编解码设备。所述方法包括：在编码单元的帧内亮度预测模式是非常规模式的情况下，确定所述编码单元不使用自适应颜色变换，或者，在所述编码单元使用自适应颜色变换的情况下，确定所述编码单元的帧内亮度预测模式不是所述非常规模式；以及将用于指示所述编码单元的帧内亮度预测模式是否是所述非常规模式的第一指示信息和/或用于指示所述编码单元是否使用所述自适应颜色变换的第二指示信息编入比特流中。

Description

PCT国内申请，说明书已公开。

Claims (20)

  1. PCT国内申请，权利要求书已公开。
CN201980102326.6A 2019-12-27 2019-12-27 自适应颜色变换的编解码方法、装置以及视频编解码设备 Pending CN114731438A (zh)

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PCT/CN2019/129191 WO2021128281A1 (zh) 2019-12-27 2019-12-27 自适应颜色变换的编解码方法、装置以及视频编解码设备

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EP4090029A4 (en) * 2020-01-10 2023-07-19 Research & Business Foundation Sungkyunkwan University METHOD AND APPARATUS FOR CODING/DECODING IMAGES USING BDPCM, AND RECORDING MEDIA STORING A BIT STREAM
WO2024077569A1 (zh) * 2022-10-13 2024-04-18 Oppo广东移动通信有限公司 编解码方法、码流、编码器、解码器以及存储介质

Citations (3)

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US20160261884A1 (en) * 2014-03-04 2016-09-08 Microsoft Technology Licensing, Llc Adaptive switching of color spaces, color sampling rates and/or bit depths
CN107079157A (zh) * 2014-09-12 2017-08-18 Vid拓展公司 用于视频编码的分量间去相关
WO2019069950A1 (ja) * 2017-10-06 2019-04-11 シャープ株式会社 画像符号化装置及び画像復号装置

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US10142642B2 (en) * 2014-06-04 2018-11-27 Qualcomm Incorporated Block adaptive color-space conversion coding
JP2018074491A (ja) * 2016-11-02 2018-05-10 富士通株式会社 動画像符号化装置、動画像符号化方法、および動画像符号化プログラム
US11399187B2 (en) * 2017-03-10 2022-07-26 Intel Corporation Screen content detection for adaptive encoding

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US20160261884A1 (en) * 2014-03-04 2016-09-08 Microsoft Technology Licensing, Llc Adaptive switching of color spaces, color sampling rates and/or bit depths
CN107079157A (zh) * 2014-09-12 2017-08-18 Vid拓展公司 用于视频编码的分量间去相关
WO2019069950A1 (ja) * 2017-10-06 2019-04-11 シャープ株式会社 画像符号化装置及び画像復号装置

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XIAOYU XIU: "Support of adaptive color transform for 444 video coding in VVC (JVET-P0517)" *

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US20220295101A1 (en) 2022-09-15
JP2023505432A (ja) 2023-02-09
JP7323071B2 (ja) 2023-08-08

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