JP2025513175A - ビデオ符号化および復号 - Google Patents

ビデオ符号化および復号 Download PDF

Info

Publication number
JP2025513175A
JP2025513175A JP2024554713A JP2024554713A JP2025513175A JP 2025513175 A JP2025513175 A JP 2025513175A JP 2024554713 A JP2024554713 A JP 2024554713A JP 2024554713 A JP2024554713 A JP 2024554713A JP 2025513175 A JP2025513175 A JP 2025513175A
Authority
JP
Japan
Prior art keywords
threshold
decoding
header
syntax element
threshold value
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
JP2024554713A
Other languages
English (en)
Japanese (ja)
Other versions
JP2025513175A5 (enExample
Inventor
ギローム ラロシュ，
パトリス オンノ，
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Publication of JP2025513175A publication Critical patent/JP2025513175A/ja
Publication of JP2025513175A5 publication Critical patent/JP2025513175A5/ja
Pending legal-status Critical Current

Links

Images

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
    • H04N19/169—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)
JP2024554713A 2022-04-19 2023-04-14 ビデオ符号化および復号 Pending JP2025513175A (ja)

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 (2)

Publication Number Publication Date
JP2025513175A true JP2025513175A (ja) 2025-04-24
JP2025513175A5 JP2025513175A5 (enExample) 2026-04-06

Family

ID=81753212

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2024554713A Pending JP2025513175A (ja) 2022-04-19 2023-04-14 ビデオ符号化および復号

Country Status (6)

Country Link
US (1) US12676984B2 (enExample)
EP (1) EP4512079A1 (enExample)
JP (1) JP2025513175A (enExample)
CN (1) CN119032563A (enExample)
GB (1) GB2617839B (enExample)
WO (1) WO2023202956A1 (enExample)

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
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
CN119032563A (zh) 2024-11-26
GB2617839B (en) 2025-03-12

Similar Documents

Publication Publication Date Title
JP7804815B2 (ja) ビデオ符号化及び復号化
TWI790409B (zh) 視頻編碼及解碼
US12587670B2 (en) Video coding and decoding
US20250267277A1 (en) Video coding and decoding
JP2022177179A (ja) ビデオ符号化及び復号
US20250240445A1 (en) Video coding and decoding
GB2617626A (en) Data coding and decoding
US20250254290A1 (en) Data coding and decoding
HK40120888A (en) Coding method, decoding method, encoder, decoder and storage medium
HK40120887A (en) Coding method, decoding method, encoder, decoder and storage medium
HK40119401A (en) Coding method, decoding method, encoder, decoder and storage medium
CN118020301A (zh) 视频编码和解码
CN122029816A (zh) 基于画面内预测的视频编码/解码方法及装置

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20260327

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20260327