JP7448563B2 - 画像コーデック方法、エンコーダ、デコーダおよび記憶媒体 - Google Patents

画像コーデック方法、エンコーダ、デコーダおよび記憶媒体 Download PDF

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JP7448563B2
JP7448563B2 JP2021568185A JP2021568185A JP7448563B2 JP 7448563 B2 JP7448563 B2 JP 7448563B2 JP 2021568185 A JP2021568185 A JP 2021568185A JP 2021568185 A JP2021568185 A JP 2021568185A JP 7448563 B2 JP7448563 B2 JP 7448563B2
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offset parameter
mip mode
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matrix
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JP2022542210A (ja
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ワン、シューアイ
フオ、チュンイェン
マー、イェンチュオ
ヤン、フーチョン
クオ、チンクン
ワン、ハイシン
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Guangdong Oppo Mobile Telecommunications Corp 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
    • H04N19/10—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
    • H04N19/102—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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F5/00—Methods or arrangements for data conversion without changing the order or content of the data handled
    • G06F5/01—Methods or arrangements for data conversion without changing the order or content of the data handled for shifting, e.g. justifying, scaling, normalising
    • 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
    • H04N19/172—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 picture, frame or field
    • 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
    • H04N19/184—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 bits, e.g. of the compressed video stream
    • 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)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
JP2021568185A 2019-06-25 2019-06-25 画像コーデック方法、エンコーダ、デコーダおよび記憶媒体 Active JP7448563B2 (ja)

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Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2019433376A1 (en) * 2019-03-12 2021-06-24 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Intra-frame prediction method and apparatus, and computer-readable storage medium
WO2020256466A1 (ko) * 2019-06-19 2020-12-24 한국전자통신연구원 화면 내 예측 모드 및 엔트로피 부호화/복호화 방법 및 장치
CA3112849C (en) * 2019-06-25 2023-10-17 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Image encoding method, image decoding method, encoder, decoder and storage medium
IL317562A (en) 2019-07-10 2025-02-01 Guangdong Oppo Mobile Telecommunications Corp Ltd Image component prediction method, encoder, decoder and storage media
CN120151517A (zh) * 2019-08-22 2025-06-13 Lg电子株式会社 解码和编码图像信息的设备及发送数据的设备
CN120166223A (zh) * 2019-08-22 2025-06-17 Lg 电子株式会社 基于矩阵的帧内预测设备和方法
JP2022546170A (ja) * 2019-08-30 2022-11-04 アリババ グループ ホウルディング リミテッド 映像信号の行列加重イントラ予測
US12206894B2 (en) * 2020-09-23 2025-01-21 Electronics And Telecommunications Research Institute Apparatus, method and storage medium for image encoding/decoding to perform intra prediction using artificial neutral network
WO2022257134A1 (zh) * 2021-06-11 2022-12-15 Oppo广东移动通信有限公司 一种视频编解码方法、装置、系统及存储介质
CN116046810B (zh) * 2023-04-03 2023-06-23 云南通衢工程检测有限公司 基于rpc盖板破坏荷载的无损检测方法
CN116738354B (zh) * 2023-08-15 2023-12-08 国网江西省电力有限公司信息通信分公司 一种电力物联网终端行为异常检测方法及系统

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020255769A1 (ja) 2019-06-19 2020-12-24 ソニー株式会社 画像処理装置及び画像処理方法
US20220141453A1 (en) 2019-12-10 2022-05-05 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Methods for encoding and decoding pictures and associated apparatus

Family Cites Families (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3807117B2 (ja) * 1998-09-17 2006-08-09 ソニー株式会社 階層データの生成装置および方法、階層データの生成復元システムおよび方法
KR101320260B1 (ko) * 2004-06-18 2013-10-23 톰슨 라이센싱 비디오 신호 데이터를 인코딩 및 디코딩하기 위한 방법 및 장치
JP2007081474A (ja) * 2005-09-09 2007-03-29 Toshiba Corp 画像符号化装置及び方法
CN101083769B (zh) * 2006-06-02 2011-05-25 三星电子株式会社 处理n比特视频数据的编/解码器和编/解码方法
US8782379B2 (en) * 2007-09-27 2014-07-15 Qualcomm Incorporated H.264 video decoder CABAC core optimization techniques
CN101771867B (zh) * 2008-12-29 2012-10-03 富士通株式会社 缩小尺寸解码方法和系统
KR101441879B1 (ko) * 2009-12-09 2014-09-23 에스케이텔레콤 주식회사 영상 부호화 장치 및 방법, 및 거기에 이용되는 변환 부호화 장치 및 방법, 변환기저 생성장치 및 방법, 및 영상 복호화 장치 및 방법
GB2486733A (en) * 2010-12-24 2012-06-27 Canon Kk Video encoding using multiple inverse quantizations of the same reference image with different quantization offsets
GB2495990A (en) * 2011-10-28 2013-05-01 Canon Kk Motion compensated image coding with omission of coding mode cost calculation for a motion predictor in a set.
US9756327B2 (en) * 2012-04-03 2017-09-05 Qualcomm Incorporated Quantization matrix and deblocking filter adjustments for video coding
KR101847365B1 (ko) * 2012-04-13 2018-04-09 미쓰비시덴키 가부시키가이샤 화상 부호화 장치, 화상 복호 장치, 화상 부호화 방법, 화상 복호 방법 및 기록 매체
KR20160021222A (ko) 2013-06-18 2016-02-24 브이아이디 스케일, 인크. Ｈｅｖｃ 확장을 위한 계층간 파라미터 집합
KR102127603B1 (ko) * 2013-10-07 2020-06-26 브이아이디 스케일, 인크. 다계층 비디오 코딩을 위해 조합된 확장성 프로세싱
CN104702959B (zh) * 2015-03-20 2019-03-26 上海国茂数字技术有限公司 一种视频编码的帧内预测方法及系统
US20160373770A1 (en) 2015-06-18 2016-12-22 Qualcomm Incorporated Intra prediction and intra mode coding
EP3459244A4 (en) 2016-01-12 2020-03-04 Telefonaktiebolaget LM Ericsson (publ) Video coding using hybrid intra prediction
KR102824987B1 (ko) * 2016-10-12 2025-06-26 삼성전자주식회사 영상 처리 방법, 그를 이용한 영상 복호화 및 부호화 방법
GB2552323B (en) * 2016-07-18 2020-04-29 Imagination Tech Ltd Mip map compression
EP3301915A1 (en) 2016-09-30 2018-04-04 Thomson Licensing Method and apparatus for omnidirectional video coding with adaptive intra most probable modes
CN107071417B (zh) * 2017-04-10 2019-07-02 电子科技大学 一种用于视频编码的帧内预测方法
CN113545052A (zh) * 2019-03-08 2021-10-22 韩国电子通信研究院 图像编码/解码方法和装置以及存储比特流的记录介质
CN118488194B (zh) * 2019-04-10 2025-12-16 北京达佳互联信息技术有限公司 用于视频编码的方法和电子装置
JP7303325B2 (ja) * 2019-04-12 2023-07-04 北京字節跳動網絡技術有限公司 ビデオ処理方法、装置、記憶媒体、及び記憶方法
CN114009043B (zh) * 2019-06-03 2024-10-22 Lg电子株式会社 基于矩阵的帧内预测装置和方法
US11212545B2 (en) * 2019-06-07 2021-12-28 Tencent America LLC Method and apparatus for improved implicit transform selection
US11128868B2 (en) * 2019-06-11 2021-09-21 Mediatek Inc. Method and apparatus of matrix-based intra prediction for video coding
US11252410B2 (en) * 2019-06-11 2022-02-15 Tencent America LLC Method and apparatus for video coding
CN114128269B (zh) * 2019-06-14 2025-09-23 弗劳恩霍夫应用研究促进协会 内预测模式的编码
CA3112849C (en) * 2019-06-25 2023-10-17 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Image encoding method, image decoding method, encoder, decoder and storage medium

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020255769A1 (ja) 2019-06-19 2020-12-24 ソニー株式会社 画像処理装置及び画像処理方法
US20220141453A1 (en) 2019-12-10 2022-05-05 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Methods for encoding and decoding pictures and associated apparatus

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
HUO, Junyan et al.，Non-CE3: Unification of Shifting for MIP Mode，JVET-O0323 (version 1)，ITU，2019年06月25日，pp.1-4，[online]，[retrieved on 2023-06-09]，Retrieved from the Internet: <URL: https://jvet-experts.org/doc_end_user/documents/15_Gothenburg/wg11/JVET-O0323-v1.zip>，JVET-O0323.docx

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AU2025202142A1 (en) 2025-04-10
KR20220023324A (ko) 2022-03-02
CA3112849A1 (en) 2020-12-30
US20210218971A1 (en) 2021-07-15
PL3820151T3 (pl) 2023-08-14
US20210352298A1 (en) 2021-11-11
PH12021550517A1 (en) 2022-02-21
US12192479B2 (en) 2025-01-07
SG11202102562WA (en) 2021-04-29
IL281400B1 (en) 2024-01-01
ZA202101697B (en) 2022-07-27
IL281400A (en) 2021-04-29
CN115150612B (zh) 2025-03-11
CN113068032B (zh) 2022-07-26
AU2019455073A1 (en) 2021-04-08
CN120034648A (zh) 2025-05-23
BR112021006724A2 (pt) 2022-02-01
EP4228256A1 (en) 2023-08-16
IL309549A (en) 2024-02-01
CA3208670A1 (en) 2020-12-30
AU2025202141A1 (en) 2025-04-10
CN120034647B (zh) 2025-12-05
EP3820151A1 (en) 2021-05-12
EP3820151B1 (en) 2023-06-14
CN120034647A (zh) 2025-05-23
US11146798B2 (en) 2021-10-12
CN115150612A (zh) 2022-10-04
JP2022542210A (ja) 2022-09-30
MX2021004541A (es) 2021-06-15
JP2025100831A (ja) 2025-07-03
KR20250135352A (ko) 2025-09-12
EP3820151A4 (en) 2021-06-16
US20250294165A1 (en) 2025-09-18
JP7674550B2 (ja) 2025-05-09
AU2025202148A1 (en) 2025-04-10
US20250088643A1 (en) 2025-03-13
AU2019455073B2 (en) 2025-02-06
KR20250136435A (ko) 2025-09-16
ES2950980T3 (es) 2023-10-17
KR20250138286A (ko) 2025-09-19
KR20250138287A (ko) 2025-09-19
KR20250161671A (ko) 2025-11-17
KR102859555B1 (ko) 2025-09-12
CA3112849C (en) 2023-10-17
IL281400B2 (en) 2024-05-01
AU2025202149A1 (en) 2025-04-10

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