CN119032563A - 视频编码和解码 - Google Patents

视频编码和解码 Download PDF

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Publication number
CN119032563A
CN119032563A CN202380034507.6A CN202380034507A CN119032563A CN 119032563 A CN119032563 A CN 119032563A CN 202380034507 A CN202380034507 A CN 202380034507A CN 119032563 A CN119032563 A CN 119032563A
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CN
China
Prior art keywords
threshold
decoding
header
syntax element
candidates
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Pending
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CN202380034507.6A
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English (en)
Chinese (zh)
Inventor
G·拉罗彻
P·乌诺
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Canon Inc
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Canon Inc
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Application filed by Canon Inc filed Critical Canon Inc
Publication of CN119032563A publication Critical patent/CN119032563A/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
    • H04N19/174—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 slice, e.g. a line of blocks or a group of blocks
    • 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
    • H04N19/14—Coding unit complexity, e.g. amount of activity or edge presence estimation
    • 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
    • H04N19/146—Data rate or code amount at the encoder output
    • H04N19/147—Data rate or code amount at the encoder output according to rate distortion criteria
    • 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
    • H04N19/188—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 a video data packet, e.g. a network abstraction layer [NAL] unit
    • 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
    • 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
    • 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

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)
CN202380034507.6A 2022-04-19 2023-04-14 视频编码和解码 Pending CN119032563A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB2205721.0 2022-04-19
GB2205721.0A GB2617839B (en) 2022-04-19 2022-04-19 Video coding and decoding
PCT/EP2023/059833 WO2023202956A1 (en) 2022-04-19 2023-04-14 Video coding and decoding

Publications (1)

Publication Number Publication Date
CN119032563A true CN119032563A (zh) 2024-11-26

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202380034507.6A Pending CN119032563A (zh) 2022-04-19 2023-04-14 视频编码和解码

Country Status (6)

Country Link
US (1) US12676984B2 (cg-RX-API-DMAC7.html)
EP (1) EP4512079A1 (cg-RX-API-DMAC7.html)
JP (1) JP2025513175A (cg-RX-API-DMAC7.html)
CN (1) CN119032563A (cg-RX-API-DMAC7.html)
GB (1) GB2617839B (cg-RX-API-DMAC7.html)
WO (1) WO2023202956A1 (cg-RX-API-DMAC7.html)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024220920A1 (en) * 2023-04-20 2024-10-24 Tencent America LLC Intra template matching prediction fusion using blending masks
WO2025098821A1 (en) * 2023-11-08 2025-05-15 Koninklijke Philips N.V. Template-based intra mode derivation (timd) merge mode enhancements
EP4676045A1 (en) * 2024-07-01 2026-01-07 Beijing Xiaomi Mobile Software Co., Ltd. Encoding/decoding video picture data

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009152450A1 (en) * 2008-06-12 2009-12-17 Cisco Technology, Inc. Picture interdependencies signals in context of mmco to assist stream manipulation
EP2356812B1 (en) * 2008-11-12 2015-06-10 Cisco Technology, Inc. Processing of a video program having plural processed representations of a single video signal for reconstruction and output
US8743906B2 (en) * 2009-01-23 2014-06-03 Akamai Technologies, Inc. Scalable seamless digital video stream splicing
JP5267886B2 (ja) * 2009-04-08 2013-08-21 ソニー株式会社 再生装置、記録媒体、および情報処理方法
US20130188715A1 (en) * 2012-01-09 2013-07-25 Qualcomm Incorporated Device and methods for merge list reordering in video coding
US8989508B2 (en) * 2012-09-28 2015-03-24 Sharp Kabushiki Kaisha Electronic device for signaling a sub-picture buffer parameter
US9319703B2 (en) * 2012-10-08 2016-04-19 Qualcomm Incorporated Hypothetical reference decoder parameter syntax structure
US9661341B2 (en) * 2013-01-07 2017-05-23 Microsoft Technology Licensing, Llc Syntax and semantics for buffering information to simplify video splicing
JP6327412B2 (ja) * 2013-04-12 2018-05-23 三菱重工エンジニアリング株式会社 交通システム、及び給電方法
JP6328759B2 (ja) * 2013-07-15 2018-05-23 寰發股▲ふん▼有限公司ＨＦＩ Ｉｎｎｏｖａｔｉｏｎ Ｉｎｃ． ビデオ符号化のサンプル適応オフセット処理の方法
US10616574B2 (en) * 2018-06-04 2020-04-07 Tencent America LLC Methods and apparatus for extended merge mode with adaptive grid size in video coding
TWI719519B (zh) * 2018-07-02 2021-02-21 大陸商北京字節跳動網絡技術有限公司 對於dmvr的塊尺寸限制
WO2020177684A1 (en) * 2019-03-03 2020-09-10 Beijing Bytedance Network Technology Co., Ltd. Enabling dmvr based on the information in the picture header
WO2020200269A1 (en) * 2019-04-02 2020-10-08 Beijing Bytedance Network Technology Co., Ltd. Decoder side motion vector derivation
US12022122B2 (en) * 2019-06-19 2024-06-25 Sharp Kabushiki Kaisha Systems and methods for signaling decoded picture buffer information in video coding
US11375200B2 (en) * 2019-12-24 2022-06-28 Tencent America LLC Video coding method and device for controlling color component processing
EP4066386A4 (en) * 2019-12-27 2023-01-25 ByteDance Inc. SUB-PICTURE SIGNALING IN VIDEO ENCODING
CN114982243B (zh) * 2020-01-09 2025-05-13 字节跳动有限公司 视频流中的填充数据单元的处理

Also Published As

Publication number Publication date
EP4512079A1 (en) 2025-02-26
JP2025513175A (ja) 2025-04-24
WO2023202956A1 (en) 2023-10-26
US12676984B2 (en) 2026-07-07
GB2617839A (en) 2023-10-25
US20250267277A1 (en) 2025-08-21
GB202205721D0 (en) 2022-06-01
GB2617839B (en) 2025-03-12

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