JP2022537746A - 映像符号化及び復号における動きベクトル予測 - Google Patents

映像符号化及び復号における動きベクトル予測 Download PDF

Info

Publication number
JP2022537746A
JP2022537746A JP2021575348A JP2021575348A JP2022537746A JP 2022537746 A JP2022537746 A JP 2022537746A JP 2021575348 A JP2021575348 A JP 2021575348A JP 2021575348 A JP2021575348 A JP 2021575348A JP 2022537746 A JP2022537746 A JP 2022537746A
Authority
JP
Japan
Prior art keywords
flag
encoding
decoding
merge
prediction mode
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
JP2021575348A
Other languages
English (en)
Japanese (ja)
Other versions
JP2022537746A5 (https=
Inventor
ギャルピン，フランク
ルリアネック，ファブリス
ロバート，アントワーヌ
ポワリエ，タンギ
Original Assignee
インターデジタル ブイシー ホールディングス フランス，エスアーエス
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 インターデジタル ブイシー ホールディングス フランス，エスアーエス filed Critical インターデジタル ブイシー ホールディングス フランス，エスアーエス
Publication of JP2022537746A publication Critical patent/JP2022537746A/ja
Publication of JP2022537746A5 publication Critical patent/JP2022537746A5/ja
Priority to JP2025047635A priority Critical patent/JP2025098127A/ja
Priority to JP2025218957A priority patent/JP2026035769A/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
    • H04N19/102—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
    • H04N19/103—Selection of coding mode or of prediction mode
    • 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
    • H04N19/109—Selection of coding mode or of prediction mode among a plurality of temporal 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
    • H04N19/119—Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding 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
    • H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
    • H04N19/139—Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
    • 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
    • H04N19/134—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
    • H04N19/169—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
    • H04N19/172—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 picture, frame or field
    • 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
    • H04N19/184—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 bits, e.g. of the compressed video stream
    • 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
    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • 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
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • H04N19/463—Embedding additional information in the video signal during the compression process by compressing encoding parameters before transmission
    • 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
    • H04N19/503—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
    • H04N19/527—Global motion vector 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
    • H04N19/50—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
    • H04N19/537—Motion estimation other than block-based
    • 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
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2021575348A 2019-06-25 2020-06-23 映像符号化及び復号における動きベクトル予測 Pending JP2022537746A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2025047635A JP2025098127A (ja) 2019-06-25 2025-03-24 映像符号化及び復号における動きベクトル予測
JP2025218957A JP2026035769A (ja) 2019-06-25 2025-12-02 映像符号化及び復号における動きベクトル予測

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP19305833.6 2019-06-25
EP19305833 2019-06-25
PCT/EP2020/067497 WO2020260280A1 (en) 2019-06-25 2020-06-23 Motion vector prediction in video encoding and decoding

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2025047635A Division JP2025098127A (ja) 2019-06-25 2025-03-24 映像符号化及び復号における動きベクトル予測

Publications (2)

Publication Number Publication Date
JP2022537746A true JP2022537746A (ja) 2022-08-29
JP2022537746A5 JP2022537746A5 (https=) 2023-06-22

Family

ID=67437763

Family Applications (3)

Application Number Title Priority Date Filing Date
JP2021575348A Pending JP2022537746A (ja) 2019-06-25 2020-06-23 映像符号化及び復号における動きベクトル予測
JP2025047635A Pending JP2025098127A (ja) 2019-06-25 2025-03-24 映像符号化及び復号における動きベクトル予測
JP2025218957A Pending JP2026035769A (ja) 2019-06-25 2025-12-02 映像符号化及び復号における動きベクトル予測

Family Applications After (2)

Application Number Title Priority Date Filing Date
JP2025047635A Pending JP2025098127A (ja) 2019-06-25 2025-03-24 映像符号化及び復号における動きベクトル予測
JP2025218957A Pending JP2026035769A (ja) 2019-06-25 2025-12-02 映像符号化及び復号における動きベクトル予測

Country Status (7)

Country Link
US (2) US12526420B2 (https=)
EP (1) EP3991417A1 (https=)
JP (3) JP2022537746A (https=)
KR (1) KR20220027173A (https=)
CN (2) CN120263981A (https=)
BR (1) BR112021026310A2 (https=)
WO (1) WO2020260280A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11412243B2 (en) * 2018-12-07 2022-08-09 Sharp Kabushiki Kaisha Video decoding apparatus
US20250119565A1 (en) * 2023-10-06 2025-04-10 Qualcomm Incorporated Interaction between template matching-based local illumination compensation and a second merge list in video coding

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9060173B2 (en) 2011-06-30 2015-06-16 Sharp Kabushiki Kaisha Context initialization based on decoder picture buffer
US20140029670A1 (en) 2012-07-27 2014-01-30 Motorola Mobility Llc Devices and methods for processing of partition mode in high efficiency video coding
US10129550B2 (en) 2013-02-01 2018-11-13 Qualcomm Incorporated Inter-layer syntax prediction control
US9930363B2 (en) 2013-04-12 2018-03-27 Nokia Technologies Oy Harmonized inter-view and view synthesis prediction for 3D video coding
US10148977B2 (en) 2015-06-16 2018-12-04 Futurewei Technologies, Inc. Advanced coding techniques for high efficiency video coding (HEVC) screen content coding (SCC) extensions
US10560712B2 (en) 2016-05-16 2020-02-11 Qualcomm Incorporated Affine motion prediction for video coding
US20200288141A1 (en) 2017-10-03 2020-09-10 Nec Corporation Video coding device, video decoding device, video coding method, video decoding method, program and video system
GB2577318B (en) * 2018-09-21 2021-03-10 Canon Kk Video coding and decoding
KR20210069715A (ko) 2018-10-10 2021-06-11 인터디지털 브이씨 홀딩스 인코포레이티드 비디오 인코딩 및 디코딩의 아핀 모드 시그널링
WO2020085953A1 (en) 2018-10-25 2020-04-30 Huawei Technologies Co., Ltd. An encoder, a decoder and corresponding methods for inter prediction
CN119743590A (zh) 2018-10-29 2025-04-01 华为技术有限公司 一种视频图像预测方法及装置
EP3857896A4 (en) * 2018-11-22 2021-12-01 Beijing Bytedance Network Technology Co. Ltd. COORDINATION PROCESS FOR INTER-PREDICTION BASED ON SUB-BLOCKS
CN113170181B (zh) * 2018-11-29 2023-12-08 北京字节跳动网络技术有限公司 块内拷贝模式中的仿射继承方法
CN116527930B (zh) * 2019-03-08 2025-12-19 知识产权之桥一号有限责任公司 图像编码装置、图像编码方法以及图像解码装置、图像解码方法
KR20220016839A (ko) * 2019-06-04 2022-02-10 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 기하학적 분할 모드 코딩을 갖는 모션 후보 리스트
JP7335365B2 (ja) * 2019-06-24 2023-08-29 エルジー エレクトロニクス インコーポレイティド 動きベクトル差分を利用した映像コーディング方法及び装置

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
BROSS, BENJAMIN ET AL.: "Versatile Video Coding (Draft 5)", JVET-N1001 (VERSION 8), JPN6024029309, 12 June 2019 (2019-06-12), pages 53 - 58, ISSN: 0005376999 *
CHEN, Y. ET AL.: "Context Reduction for Inter and Split Syntax Elements", JVET-N0600 (VERSION 3), JPN6024029308, 23 March 2019 (2019-03-23), pages 1 - 7, ISSN: 0005377000 *

Also Published As

Publication number Publication date
JP2026035769A (ja) 2026-03-04
CN114450951B (zh) 2025-04-01
US20230018401A1 (en) 2023-01-19
EP3991417A1 (en) 2022-05-04
CN120263981A (zh) 2025-07-04
JP2025098127A (ja) 2025-07-01
KR20220027173A (ko) 2022-03-07
WO2020260280A1 (en) 2020-12-30
BR112021026310A2 (pt) 2022-03-03
CN114450951A (zh) 2022-05-06
US20260101039A1 (en) 2026-04-09
US12526420B2 (en) 2026-01-13

Similar Documents

Publication Publication Date Title
AU2023208181B2 (en) Generalized bi-prediction and weighted prediction
US12395656B2 (en) Virtual pipeline for video encoding and decoding
US11843791B2 (en) Chroma processing for video encoding and decoding
US20210400276A1 (en) Quantization for video encoding and decoding
US12452442B2 (en) Parameter grouping among plural coding units for video encoding and decoding
CN113228676A (zh) 在合并列表中运动矢量预测量候选排序
US20260101039A1 (en) Motion vector prediction in video encoding and decoding
JP2022504753A (ja) ビデオエンコーディングおよびデコーディングにおけるアフィンモードシグナリング
KR20230162801A (ko) 비디오 코딩을 위한 외부적으로 향상된 예측
US12052434B2 (en) Motion vector processing for video encoding and decoding
EP3709647A1 (en) Transform selection and signaling for video encoding or decoding
WO2020072397A1 (en) Block size based motion vector coding in affine mode
CN112703733A (zh) 一统一列表中的平移和仿射候选

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20230614

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20230614

A711 Notification of change in applicant

Free format text: JAPANESE INTERMEDIATE CODE: A711

Effective date: 20231110

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20240621

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20240726

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20241009

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20250204

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20250729