CN121442099A - 用于对图像进行编码和解码的方法以及相关装置和系统 - Google Patents

用于对图像进行编码和解码的方法以及相关装置和系统

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Publication number
CN121442099A
CN121442099A CN202511955212.XA CN202511955212A CN121442099A CN 121442099 A CN121442099 A CN 121442099A CN 202511955212 A CN202511955212 A CN 202511955212A CN 121442099 A CN121442099 A CN 121442099A
Authority
CN
China
Prior art keywords
mip
block
prediction
value
samples
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202511955212.XA
Other languages
English (en)
Chinese (zh)
Inventor
霍俊彦
万帅
马彦卓
王海鑫
杨付正
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Oppo Mobile Telecommunications Corp Ltd
Original Assignee
Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangdong Oppo Mobile Telecommunications Corp Ltd filed Critical Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority to CN202511955212.XA priority Critical patent/CN121442099A/zh
Publication of CN121442099A publication Critical patent/CN121442099A/zh
Pending legal-status Critical Current

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Classifications

    • 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
    • H04N19/102—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
    • H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for 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
    • H04N19/102—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
    • H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
    • 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
    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • 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
    • H04N19/60—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
CN202511955212.XA 2019-12-10 2019-12-10 用于对图像进行编码和解码的方法以及相关装置和系统 Pending CN121442099A (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202511955212.XA CN121442099A (zh) 2019-12-10 2019-12-10 用于对图像进行编码和解码的方法以及相关装置和系统

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN201980097604.3A CN114073082A (zh) 2019-12-10 2019-12-10 用于对图像进行编码和解码的方法以及相关装置和系统
PCT/CN2019/124365 WO2021114102A1 (en) 2019-12-10 2019-12-10 Methods for encoding and decoding pictures and associated apparatus and systems
CN202511955212.XA CN121442099A (zh) 2019-12-10 2019-12-10 用于对图像进行编码和解码的方法以及相关装置和系统

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Publications (1)

Publication Number Publication Date
CN121442099A true CN121442099A (zh) 2026-01-30

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CN202511955212.XA Pending CN121442099A (zh) 2019-12-10 2019-12-10 用于对图像进行编码和解码的方法以及相关装置和系统
CN202511740644.9A Pending CN121284246A (zh) 2019-12-10 2019-12-10 用于对图像进行编码和解码的方法以及相关装置和系统
CN201980097604.3A Pending CN114073082A (zh) 2019-12-10 2019-12-10 用于对图像进行编码和解码的方法以及相关装置和系统
CN202210270747.3A Active CN114598890B (zh) 2019-12-10 2019-12-10 用于对图像进行编码和解码的方法以及相关装置和系统
CN202511955705.3A Pending CN121462768A (zh) 2019-12-10 2019-12-10 用于对图像进行编码和解码的方法以及相关装置和系统
CN202510056833.8A Pending CN119893081A (zh) 2019-12-10 2019-12-10 用于对图像进行编码和解码的方法以及相关装置和系统
CN202511742392.3A Pending CN121284248A (zh) 2019-12-10 2019-12-10 用于对图像进行编码和解码的方法以及相关装置和系统
CN202511742382.XA Pending CN121284247A (zh) 2019-12-10 2019-12-10 用于对图像进行编码和解码的方法以及相关装置和系统

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CN202511740644.9A Pending CN121284246A (zh) 2019-12-10 2019-12-10 用于对图像进行编码和解码的方法以及相关装置和系统
CN201980097604.3A Pending CN114073082A (zh) 2019-12-10 2019-12-10 用于对图像进行编码和解码的方法以及相关装置和系统
CN202210270747.3A Active CN114598890B (zh) 2019-12-10 2019-12-10 用于对图像进行编码和解码的方法以及相关装置和系统
CN202511955705.3A Pending CN121462768A (zh) 2019-12-10 2019-12-10 用于对图像进行编码和解码的方法以及相关装置和系统
CN202510056833.8A Pending CN119893081A (zh) 2019-12-10 2019-12-10 用于对图像进行编码和解码的方法以及相关装置和系统
CN202511742392.3A Pending CN121284248A (zh) 2019-12-10 2019-12-10 用于对图像进行编码和解码的方法以及相关装置和系统
CN202511742382.XA Pending CN121284247A (zh) 2019-12-10 2019-12-10 用于对图像进行编码和解码的方法以及相关装置和系统

Country Status (6)

Country Link
US (9) US11503280B2 (https=)
EP (2) EP4074045B1 (https=)
JP (2) JP2023510441A (https=)
KR (1) KR20220106109A (https=)
CN (8) CN121442099A (https=)
WO (1) WO2021114102A1 (https=)

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CN112514381A (zh) * 2019-06-25 2021-03-16 Oppo广东移动通信有限公司 图像编解码方法、编码器、解码器以及存储介质
EP4074045B1 (en) * 2019-12-10 2026-04-15 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Methods for encoding and decoding pictures and associated apparatus and systems
EP4054193A4 (en) * 2019-12-20 2023-01-25 Sony Group Corporation IMAGE PROCESSING DEVICE AND IMAGE PROCESSING METHOD
WO2023070505A1 (zh) 2021-10-29 2023-05-04 Oppo广东移动通信有限公司 帧内预测方法、解码器、编码器及编解码系统
CA3197294A1 (en) 2022-04-18 2023-10-18 Comcast Cable Communications, Llc Video compression using template-based determination of intra prediction mode
US20260012358A1 (en) * 2024-07-05 2026-01-08 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Trustworthiness of a video data stream

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EP2838259A4 (en) * 2012-04-13 2015-12-16 Mitsubishi Electric Corp APPARATUS FOR CODING MOVEMENT PICTURES, DEVICE FOR DECODING MOVEMENT PICTURES, METHOD FOR CREATING MOVEMENT IMAGES AND METHOD FOR DECODING MOVEMENT PICTURES
JP6164840B2 (ja) * 2012-12-28 2017-07-19 キヤノン株式会社 符号化装置、符号化方法、及びプログラム
JP5711789B2 (ja) * 2013-07-25 2015-05-07 日本電信電話株式会社 画像符号化方法、画像符号化装置及び画像符号化プログラム
GB2552323B (en) * 2016-07-18 2020-04-29 Imagination Tech Ltd Mip map compression
CN117119186A (zh) * 2017-01-02 2023-11-24 Lx 半导体科技有限公司 图像编码/解码设备以及发送图像数据的设备
KR102511546B1 (ko) * 2017-02-24 2023-03-17 주식회사 케이티 비디오 신호 처리 방법 및 장치
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Also Published As

Publication number Publication date
US20260059098A1 (en) 2026-02-26
KR20220106109A (ko) 2022-07-28
US20260059096A1 (en) 2026-02-26
US11503280B2 (en) 2022-11-15
US20260059100A1 (en) 2026-02-26
CN121462768A (zh) 2026-02-03
CN121284247A (zh) 2026-01-06
US12382023B2 (en) 2025-08-05
CN114598890A (zh) 2022-06-07
US11997259B2 (en) 2024-05-28
US20240283914A1 (en) 2024-08-22
CN121284248A (zh) 2026-01-06
EP4074045A4 (en) 2022-10-19
US20230038121A1 (en) 2023-02-09
EP4697703A3 (en) 2026-04-08
CN114598890B (zh) 2025-02-11
US20260059099A1 (en) 2026-02-26
CN119893081A (zh) 2025-04-25
CN114073082A (zh) 2022-02-18
JP2023510441A (ja) 2023-03-14
EP4697703A2 (en) 2026-02-18
US20230053024A1 (en) 2023-02-16
EP4074045A1 (en) 2022-10-19
EP4074045B1 (en) 2026-04-15
CN121284246A (zh) 2026-01-06
US20250330576A1 (en) 2025-10-23
WO2021114102A1 (en) 2021-06-17
US12003704B2 (en) 2024-06-04
JP2025024219A (ja) 2025-02-19
US20220141453A1 (en) 2022-05-05

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