CN112840652A - 图像编解码方法、编码器、解码器以及存储介质 - Google Patents

图像编解码方法、编码器、解码器以及存储介质 Download PDF

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Publication number
CN112840652A
CN112840652A CN201980060144.7A CN201980060144A CN112840652A CN 112840652 A CN112840652 A CN 112840652A CN 201980060144 A CN201980060144 A CN 201980060144A CN 112840652 A CN112840652 A CN 112840652A
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China
Prior art keywords
current block
offset
value
determining
mip
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CN201980060144.7A
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Inventor
霍俊彦
马彦卓
万帅
张伟
杨付正
王海鑫
孙宇
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Application filed by Guangdong Oppo Mobile Telecommunications Corp Ltd filed Critical Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority to CN202110629410.2A priority Critical patent/CN113905236B/zh
Priority to CN202310399573.5A priority patent/CN116347086A/zh
Priority to CN202310401510.9A priority patent/CN116634157A/zh
Publication of CN112840652A publication Critical patent/CN112840652A/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
    • H04N19/169—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
    • H04N19/102—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
    • H04N19/117—Filters, e.g. for pre-processing or post-processing
    • 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using 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
    • H04N19/50—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
    • 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
    • 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
    • H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation

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

Abstract

本申请实施例公开了一种图像编解码方法、编码器、解码器以及存储介质，编码器确定当前块的大小；在利用MIP模式对当前块进行编码时，根据当前块的大小，确定第一偏移量；利用第一偏移量和当前块对应的相邻像素的重建值，计算第二偏移量；根据第二偏移量，确定当前块的第一预测值；基于第一预测值，对当前块进行编码。解码器解析码流，获得当前块的大小和编码模式；当当前块的编码模式为MIP模式时，根据当前块的大小，确定第一偏移量；利用第一偏移量和当前块对应的相邻像素的重建值，计算第二偏移量；根据第二偏移量，确定当前块的第一预测值；基于第一预测值，确定当前块的重建值。

Description

PCT国内申请，说明书已公开。

Claims (29)

  1. PCT国内申请，权利要求书已公开。
CN201980060144.7A 2019-09-24 2019-09-24 图像编解码方法、编码器、解码器以及存储介质 Pending CN112840652A (zh)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN202110629410.2A CN113905236B (zh) 2019-09-24 2019-09-24 图像编解码方法、编码器、解码器以及存储介质
CN202310399573.5A CN116347086A (zh) 2019-09-24 2019-09-24 图像编解码方法、编码器、解码器以及存储介质
CN202310401510.9A CN116634157A (zh) 2019-09-24 2019-09-24 图像编解码方法、编码器、解码器以及存储介质

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PCT/CN2019/107612 WO2021056223A1 (zh) 2019-09-24 2019-09-24 图像编解码方法、编码器、解码器以及存储介质

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CN202110629410.2A Division CN113905236B (zh) 2019-09-24 2019-09-24 图像编解码方法、编码器、解码器以及存储介质
CN202310399573.5A Division CN116347086A (zh) 2019-09-24 2019-09-24 图像编解码方法、编码器、解码器以及存储介质

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CN202110629410.2A Active CN113905236B (zh) 2019-09-24 2019-09-24 图像编解码方法、编码器、解码器以及存储介质
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EP (1) EP3863287A4 (zh)
JP (1) JP7461353B2 (zh)
KR (3) KR102602418B1 (zh)
CN (4) CN116347086A (zh)
AU (1) AU2019467372B2 (zh)
BR (1) BR112021008833A2 (zh)
CA (1) CA3116601C (zh)
IL (1) IL282280A (zh)
MX (1) MX2021005546A (zh)
PH (1) PH12021550833A1 (zh)
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SG11202106215XA (en) * 2019-03-12 2021-07-29 Guangdong Oppo Mobile Telecommunications Corp Ltd Intra-frame prediction method and apparatus, and computer-readable storage medium
IL313127B1 (en) 2019-07-10 2025-01-01 Guangdong Oppo Mobile Telecommunications Corp Ltd Image component prediction method, encoder, decoder and storage media
CN114946182A (zh) * 2019-10-11 2022-08-26 交互数字Vc控股法国有限公司 生成边信息的深度帧内预测器

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JP2011259362A (ja) * 2010-06-11 2011-12-22 Sony Corp 画像処理装置および方法
CN108718412B (zh) * 2012-04-13 2020-10-16 三菱电机株式会社 图像编码装置、图像解码装置及其方法
JP6127146B2 (ja) * 2012-09-28 2017-05-10 インターデイジタル パテント ホールディングス インコーポレイテッド 多次元アンテナ構成を使用する無線通信
WO2015056955A1 (ko) * 2013-10-14 2015-04-23 삼성전자 주식회사 다시점 비디오 부호화 방법 및 장치, 다시점 비디오 복호화 방법 및 장치
CN107079165B (zh) * 2014-11-05 2020-06-19 联发科技（新加坡）私人有限公司 使用预测残差的视频编码方法及装置
WO2016172361A1 (en) * 2015-04-21 2016-10-27 Vid Scale, Inc. High dynamic range video coding
WO2017146526A1 (ko) * 2016-02-25 2017-08-31 주식회사 케이티 비디오 신호 처리 방법 및 장치
WO2017209328A1 (ko) * 2016-06-03 2017-12-07 엘지전자 주식회사 영상 코딩 시스템에서 인트라 예측 방법 및 장치
EP3301915A1 (en) 2016-09-30 2018-04-04 Thomson Licensing Method and apparatus for omnidirectional video coding with adaptive intra most probable modes
US11218726B2 (en) * 2016-10-04 2022-01-04 Kt Corporation Method and apparatus for processing video signal
WO2018134363A1 (en) * 2017-01-19 2018-07-26 Telefonaktiebolaget Lm Ericsson (Publ) Filter apparatus and methods
EP3685577A4 (en) * 2017-10-12 2021-07-28 MediaTek Inc. METHOD AND DEVICE OF A NEURAL NETWORK FOR VIDEO ENCODING
WO2021040941A1 (en) * 2019-08-30 2021-03-04 Alibaba Group Holding Limited Matrix weighted intra prediction of video signals
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CN116347086A (zh) 2023-06-27
PH12021550833A1 (en) 2021-10-04
IL282280A (en) 2021-05-31
CA3116601C (en) 2023-01-03
JP7461353B2 (ja) 2024-04-03
KR20230156810A (ko) 2023-11-14
BR112021008833A2 (pt) 2022-04-12
MX2021005546A (es) 2021-06-23
US11159814B2 (en) 2021-10-26
KR102602418B1 (ko) 2023-11-15
US20210400297A1 (en) 2021-12-23
EP3863287A4 (en) 2022-02-23
US20240107050A1 (en) 2024-03-28
JP2022511877A (ja) 2022-02-01
CN113905236A (zh) 2022-01-07
WO2021056223A1 (zh) 2021-04-01
AU2019467372A1 (en) 2021-05-13
AU2019467372B2 (en) 2022-05-19
CN116634157A (zh) 2023-08-22
CA3116601A1 (en) 2021-04-01
US20210235104A1 (en) 2021-07-29
EP3863287A1 (en) 2021-08-11
KR20230157531A (ko) 2023-11-16
KR20210078536A (ko) 2021-06-28
ZA202102495B (en) 2023-02-22
RU2767188C1 (ru) 2022-03-16
CN113905236B (zh) 2023-03-28
US11882304B2 (en) 2024-01-23

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