CN120051993A - 编解码方法、编码器、解码器以及存储介质 - Google Patents

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
CN120051993A
CN120051993A CN202280100854.XA CN202280100854A CN120051993A CN 120051993 A CN120051993 A CN 120051993A CN 202280100854 A CN202280100854 A CN 202280100854A CN 120051993 A CN120051993 A CN 120051993A
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CN
China
Prior art keywords
bvd
candidate
current block
list
determining
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
CN202280100854.XA
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English (en)
Chinese (zh)
Inventor
郝雪
霍俊彦
马彦卓
杨付正
李明
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
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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
Publication of CN120051993A publication Critical patent/CN120051993A/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
    • H04N19/70—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
    • H04N19/10—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
    • H04N19/134—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
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
    • 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
    • H04N19/513—Processing of motion vectors
    • H04N19/517—Processing of motion vectors by encoding
    • H04N19/52—Processing of motion vectors by encoding by predictive encoding
    • 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
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H04N19/86—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving reduction of coding artifacts, e.g. of blockiness

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
CN202280100854.XA 2022-10-13 2022-10-13 编解码方法、编码器、解码器以及存储介质 Pending CN120051993A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2022/125219 WO2024077572A1 (zh) 2022-10-13 2022-10-13 编解码方法、编码器、解码器以及存储介质

Publications (1)

Publication Number Publication Date
CN120051993A true CN120051993A (zh) 2025-05-27

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202280100854.XA Pending CN120051993A (zh) 2022-10-13 2022-10-13 编解码方法、编码器、解码器以及存储介质

Country Status (7)

Country Link
US (1) US20250240431A1 (enExample)
EP (1) EP4604534A4 (enExample)
JP (1) JP2025533269A (enExample)
CN (1) CN120051993A (enExample)
MX (1) MX2025004358A (enExample)
TW (1) TW202425636A (enExample)
WO (1) WO2024077572A1 (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20240223772A1 (en) * 2023-01-03 2024-07-04 Comcast Cable Communications, Llc Magnitude Coding for Selected Subset of Prediction Candidates

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9948949B2 (en) * 2014-06-20 2018-04-17 Qualcomm Incorporated Intra block copy block vector signaling for video coding
US9854253B2 (en) * 2014-06-30 2017-12-26 Qualcomm Incorporated Method for motion vector difference (MVD) and intra block copy vector difference (BVD) coding of screen content video data
US10469864B2 (en) * 2014-11-27 2019-11-05 Kt Corporation Method and apparatus for video signal coding using current picture reference flag
CN111866515B (zh) * 2019-04-30 2022-03-04 杭州海康威视数字技术股份有限公司 一种矢量差解码方法、装置及电子设备
CN121418565A (zh) * 2019-06-07 2026-01-27 弗劳恩霍夫应用研究促进协会 基于区域的帧内块复制
WO2022063729A1 (en) * 2020-09-28 2022-03-31 Interdigital Vc Holdings France, Sas Template matching prediction for versatile video coding
EP4584955A1 (en) * 2022-09-09 2025-07-16 Comcast Cable Communications, LLC Sign coding and decoding using prediction

Also Published As

Publication number Publication date
JP2025533269A (ja) 2025-10-03
MX2025004358A (es) 2025-05-02
TW202425636A (zh) 2024-06-16
US20250240431A1 (en) 2025-07-24
WO2024077572A1 (zh) 2024-04-18
EP4604534A4 (en) 2026-05-27
EP4604534A1 (en) 2025-08-20

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