CN112640449A - 图像解码方法、解码器及计算机存储介质 - Google Patents

图像解码方法、解码器及计算机存储介质 Download PDF

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Publication number
CN112640449A
CN112640449A CN201980056388.8A CN201980056388A CN112640449A CN 112640449 A CN112640449 A CN 112640449A CN 201980056388 A CN201980056388 A CN 201980056388A CN 112640449 A CN112640449 A CN 112640449A
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China
Prior art keywords
decoding
image
decoder
control identifier
current video
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Pending
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CN201980056388.8A
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万帅
马彦卓
霍俊彦
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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 CN202210961409.4A priority Critical patent/CN115941944A/zh
Priority to CN202110352754.3A priority patent/CN113055671B/zh
Publication of CN112640449A publication Critical patent/CN112640449A/zh
Pending legal-status Critical Current

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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
    • H04N19/134—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
    • 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
    • H04N19/122—Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
    • 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
    • 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
    • H04N19/124—Quantisation
    • 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
    • H04N19/146—Data rate or code amount at the encoder output
    • 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
    • H04N19/436—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 using parallelised computational arrangements
    • 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)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)

Abstract

本申请实施例公开了一种图像解码方法、解码器及计算机存储介质，该图像解码方法包括：获取当前视频图像对应的比特流；解析比特流，获得当前视频图像对应的控制标识；当控制标识对应的解码方式为图像分量独立解码时，关闭预设交叉解码功能；其中，预设交叉解码功能用于基于图像分量之间的依赖性进行解码处理。

Description

PCT国内申请，说明书已公开。

Claims (18)

  1. PCT国内申请，权利要求书已公开。
CN201980056388.8A 2019-01-10 2019-03-14 图像解码方法、解码器及计算机存储介质 Pending CN112640449A (zh)

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Application Number Priority Date Filing Date Title
CN202210961409.4A CN115941944A (zh) 2019-01-10 2019-03-14 图像解码方法、解码器及计算机存储介质
CN202110352754.3A CN113055671B (zh) 2019-01-10 2019-03-14 图像解码方法、解码器及计算机存储介质

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201962790795P 2019-01-10 2019-01-10
US62/790,795 2019-01-10
PCT/CN2019/078195 WO2020143114A1 (zh) 2019-01-10 2019-03-14 图像解码方法、解码器及计算机存储介质

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CN202210961409.4A Division CN115941944A (zh) 2019-01-10 2019-03-14 图像解码方法、解码器及计算机存储介质

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US (3) US11272186B2 (zh)
EP (1) EP3843388A4 (zh)
JP (3) JP7431827B2 (zh)
KR (1) KR20210110796A (zh)
CN (3) CN113055671B (zh)
AU (1) AU2019420838A1 (zh)
CA (1) CA3121922C (zh)
IL (1) IL283477A (zh)
MX (1) MX2021006450A (zh)
SG (1) SG11202105839RA (zh)
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WO2023097694A1 (zh) * 2021-12-03 2023-06-08 Oppo广东移动通信有限公司 解码方法、编码方法、解码器以及编码器

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JP4410989B2 (ja) 2002-12-12 2010-02-10 キヤノン株式会社 画像処理装置及び画像復号処理装置
CN101931801A (zh) * 2005-09-20 2010-12-29 三菱电机株式会社 图像编码方法和图像编码装置以及图像编码比特流
KR100763196B1 (ko) 2005-10-19 2007-10-04 삼성전자주식회사 어떤 계층의 플래그를 계층간의 연관성을 이용하여부호화하는 방법, 상기 부호화된 플래그를 복호화하는방법, 및 장치
JP5026092B2 (ja) * 2007-01-12 2012-09-12 三菱電機株式会社 動画像復号装置および動画像復号方法
JP2009017472A (ja) * 2007-07-09 2009-01-22 Renesas Technology Corp 画像復号装置および画像復号方法
CN103096051B (zh) * 2011-11-04 2017-04-12 华为技术有限公司 一种图像块信号分量采样点的帧内解码方法和装置
CN103220508B (zh) * 2012-01-20 2014-06-11 华为技术有限公司 编解码方法和装置
GB2498982B (en) * 2012-02-01 2014-04-16 Canon Kk Method and device for encoding or decoding an image
CN113259684A (zh) * 2013-04-08 2021-08-13 Ge视频压缩有限责任公司 分量间预测
JP2014209757A (ja) * 2014-06-12 2014-11-06 インテル コーポレイション クロスチャネル残差予測
US10623747B2 (en) * 2014-06-20 2020-04-14 Hfi Innovation Inc. Method of palette predictor signaling for video coding
CA2951009A1 (en) * 2014-06-20 2015-12-23 Sony Corporation Image encoding device and method, and image decoding device and method
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US10554974B2 (en) * 2017-01-13 2020-02-04 Mediatek Inc. Method and apparatus enabling adaptive multiple transform for chroma transport blocks using control flags

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KR20210110796A (ko) 2021-09-09
SG11202105839RA (en) 2021-07-29
AU2019420838A1 (en) 2021-06-17
WO2020143114A1 (zh) 2020-07-16
US11272186B2 (en) 2022-03-08
MX2021006450A (es) 2021-07-02
EP3843388A1 (en) 2021-06-30
JP2024045388A (ja) 2024-04-02
US11785225B2 (en) 2023-10-10
JP7431827B2 (ja) 2024-02-15
CN113055671A (zh) 2021-06-29
JP2022516694A (ja) 2022-03-02
US20210274191A1 (en) 2021-09-02
JP2024045387A (ja) 2024-04-02
IL283477A (en) 2021-07-29
CA3121922C (en) 2023-10-03
EP3843388A4 (en) 2021-12-22
US20220124348A1 (en) 2022-04-21
US20230403400A1 (en) 2023-12-14
CN113055671B (zh) 2022-09-02
ZA202103762B (en) 2022-08-31
CN115941944A (zh) 2023-04-07
CA3121922A1 (en) 2020-07-16

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