TW202425636A - 編解碼方法、編碼器、解碼器以及儲存媒介 - Google Patents

編解碼方法、編碼器、解碼器以及儲存媒介 Download PDF

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Publication number
TW202425636A
TW202425636A TW112137584A TW112137584A TW202425636A TW 202425636 A TW202425636 A TW 202425636A TW 112137584 A TW112137584 A TW 112137584A TW 112137584 A TW112137584 A TW 112137584A TW 202425636 A TW202425636 A TW 202425636A
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Taiwan
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bvd
candidate
current block
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TW112137584A
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English (en)
Chinese (zh)
Inventor
郝雪
霍俊彥
馬彥卓
楊付正
李明
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大陸商Ｏｐｐｏ廣東移動通信有限公司
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Publication of TW202425636A publication Critical patent/TW202425636A/zh

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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
    • H04N19/70—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

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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)
TW112137584A 2022-10-13 2023-09-28 編解碼方法、編碼器、解碼器以及儲存媒介 TW202425636A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
WOPCT/CN2022/125219 2022-10-13
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)

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TW202425636A true TW202425636A (zh) 2024-06-16

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TW112137584A TW202425636A (zh) 2022-10-13 2023-09-28 編解碼方法、編碼器、解碼器以及儲存媒介

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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

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JP2025533269A (ja) 2025-10-03
MX2025004358A (es) 2025-05-02
US20250240431A1 (en) 2025-07-24
WO2024077572A1 (zh) 2024-04-18
CN120051993A (zh) 2025-05-27
EP4604534A4 (en) 2026-05-27
EP4604534A1 (en) 2025-08-20

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