ZA202100014B - Adaptive control point selection for affine motion model based video coding - Google Patents

Adaptive control point selection for affine motion model based video coding

Info

Publication number
ZA202100014B
ZA202100014B ZA2021/00014A ZA202100014A ZA202100014B ZA 202100014 B ZA202100014 B ZA 202100014B ZA 2021/00014 A ZA2021/00014 A ZA 2021/00014A ZA 202100014 A ZA202100014 A ZA 202100014A ZA 202100014 B ZA202100014 B ZA 202100014B
Authority
ZA
South Africa
Prior art keywords
motion vector
video coding
block
control point
coding device
Prior art date
Application number
ZA2021/00014A
Other languages
English (en)
Inventor
Yuwen He
Xiaoyu Xiu
Yan Ye
Philippe Hanhart
Original Assignee
Vid Scale 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 Vid Scale Inc filed Critical Vid Scale Inc
Publication of ZA202100014B publication Critical patent/ZA202100014B/en

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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
    • H04N19/50—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
    • H04N19/10—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
    • H04N19/527—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
    • H04N19/54—Motion estimation other than block-based using feature points or meshes
    • 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
    • H04N19/55—Motion estimation with spatial constraints, e.g. at image or region borders

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
ZA2021/00014A 2018-06-29 2021-01-04 Adaptive control point selection for affine motion model based video coding ZA202100014B (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201862691770P 2018-06-29 2018-06-29
US201862734728P 2018-09-21 2018-09-21
US201862778055P 2018-12-11 2018-12-11
PCT/US2019/039611 WO2020006304A1 (en) 2018-06-29 2019-06-27 Adaptive control point selection for affine motion model based video coding

Publications (1)

Publication Number Publication Date
ZA202100014B true ZA202100014B (en) 2023-10-25

Family

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ZA2021/00014A ZA202100014B (en) 2018-06-29 2021-01-04 Adaptive control point selection for affine motion model based video coding

Country Status (8)

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US (3) US11503328B2 (https=)
EP (1) EP3815375B1 (https=)
JP (2) JP7779657B2 (https=)
CN (3) CN119011869A (https=)
CA (1) CA3105072A1 (https=)
SG (1) SG11202012967VA (https=)
WO (1) WO2020006304A1 (https=)
ZA (1) ZA202100014B (https=)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020233659A1 (en) 2019-05-21 2020-11-26 Beijing Bytedance Network Technology Co., Ltd. Adaptive motion vector difference resolution for affine mode
MX2021016152A (es) * 2019-06-19 2022-02-22 Lg Electronics Inc Se?alizacion de informacion que indica el conjunto de nucleo de transformacion en codificacion de imagen.
KR20210006306A (ko) * 2019-07-08 2021-01-18 현대자동차주식회사 인터 예측을 이용하여 비디오를 부호화 및 복호화하는 방법 및 장치
CN117336468A (zh) 2019-08-10 2024-01-02 北京字节跳动网络技术有限公司 视频比特流中的子图片相关信令通知
US11317111B2 (en) * 2019-09-29 2022-04-26 Qualcomm Incorporated Affine coding with vector clipping
EP4032290A4 (en) 2019-10-18 2022-11-30 Beijing Bytedance Network Technology Co., Ltd. SYNTAX RESTRICTIONS IN PARAMETER SET SIGNALING OF SUBPICTURES
CN115280774B (zh) 2019-12-02 2025-08-19 抖音视界有限公司 视觉媒体处理的方法、装置及非暂时性计算机可读存储介质
WO2021190464A1 (en) 2020-03-23 2021-09-30 Beijing Bytedance Network Technology Co., Ltd. Controlling deblocking filtering at different levels in coded video
CN114342390B (zh) * 2020-07-30 2022-10-28 北京达佳互联信息技术有限公司 用于仿射运动补偿的预测细化的方法和装置
US12206861B2 (en) * 2022-01-12 2025-01-21 Tencent America LLC Motion vector restriction for out-of-frame boundary conditions
KR20240137034A (ko) * 2022-01-17 2024-09-19 베이징 다지아 인터넷 인포메이션 테크놀로지 컴퍼니 리미티드 비디오 코딩에서 아핀 병합 모드에 대한 후보 도출 방법 및 장치
US12160564B2 (en) * 2022-04-11 2024-12-03 Tencent America LLC Bilateral matching with affine motion
US12432352B2 (en) * 2022-10-14 2025-09-30 Qualcomm Incorporated Bit-length control for linear regression-based affine merge candidate derivation

Family Cites Families (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7206346B2 (en) 1997-06-25 2007-04-17 Nippon Telegraph And Telephone Corporation Motion vector predictive encoding method, motion vector decoding method, predictive encoding apparatus and decoding apparatus, and storage media storing motion vector predictive encoding and decoding programs
KR20120088488A (ko) 2011-01-31 2012-08-08 한국전자통신연구원 시간적 움직임 벡터 저장 방법 및 그 장치
US9699456B2 (en) 2011-07-20 2017-07-04 Qualcomm Incorporated Buffering prediction data in video coding
US9083983B2 (en) * 2011-10-04 2015-07-14 Qualcomm Incorporated Motion vector predictor candidate clipping removal for video coding
US9762904B2 (en) 2011-12-22 2017-09-12 Qualcomm Incorporated Performing motion vector prediction for video coding
WO2016008157A1 (en) * 2014-07-18 2016-01-21 Mediatek Singapore Pte. Ltd. Methods for motion compensation using high order motion model
US10681379B2 (en) * 2015-09-29 2020-06-09 Qualcomm Incorporated Non-separable secondary transform for video coding with reorganizing
GB2561507B (en) * 2016-01-07 2021-12-22 Mediatek Inc Method and apparatus for affine merge mode prediction for video coding system
WO2017147765A1 (en) * 2016-03-01 2017-09-08 Mediatek Inc. Methods for affine motion compensation
PL3414900T3 (pl) 2016-03-15 2025-10-27 Hfi Innovation Inc. Sposób oraz urządzenie do kodowania wideo z afiniczną kompensacją ruchu
WO2017156705A1 (en) * 2016-03-15 2017-09-21 Mediatek Inc. Affine prediction for video coding
WO2018061563A1 (ja) * 2016-09-27 2018-04-05 シャープ株式会社 アフィン動きベクトル導出装置、予測画像生成装置、動画像復号装置、および動画像符号化装置
US20190273943A1 (en) * 2016-10-10 2019-09-05 Sharp Kabushiki Kaisha Systems and methods for performing motion compensation for coding of video data
US10681370B2 (en) * 2016-12-29 2020-06-09 Qualcomm Incorporated Motion vector generation for affine motion model for video coding
US10873760B2 (en) * 2017-04-07 2020-12-22 Futurewei Technologies, Inc. Motion vector (MV) constraints and transformation constraints in video coding
TW202431848A (zh) 2017-04-13 2024-08-01 美商松下電器（美國）知識產權公司 編碼裝置、解碼裝置及非暫時性電腦可讀取媒體
EP3410717A1 (en) 2017-05-31 2018-12-05 Thomson Licensing Methods and apparatus for candidate list pruning
US11877001B2 (en) * 2017-10-10 2024-01-16 Qualcomm Incorporated Affine prediction in video coding
US20190116376A1 (en) * 2017-10-12 2019-04-18 Qualcomm Incorporated Motion vector predictors using affine motion model in video coding
EP3766247A4 (en) * 2018-04-02 2022-01-19 MediaTek Inc. VIDEO PROCESSING METHODS AND APPARATUS FOR SUBBLOCK MOTION COMPENSATION IN VIDEO CODING SYSTEMS
HRP20230521T1 (hr) * 2018-06-03 2023-08-04 Lg Electronics Inc. Postupak i uređaj za obradu video signala pomoću smanjene transformacije
WO2019235887A1 (ko) * 2018-06-06 2019-12-12 엘지전자 주식회사 인트라 예측 모드에 기초하여 변환 인덱스 코딩을 수행하는 방법 및 이를 위한 장치
US10798394B2 (en) * 2018-06-27 2020-10-06 Avago Technologies International Sales Pte. Limited Low complexity affine merge mode for versatile video coding
US10863193B2 (en) * 2018-06-29 2020-12-08 Qualcomm Incorporated Buffer restriction during motion vector prediction for video coding
US10462488B1 (en) * 2018-07-13 2019-10-29 Tencent America LLC Method and apparatus for video coding
WO2020047132A1 (en) * 2018-08-29 2020-03-05 Vid Scale, Inc. Adaptive motion vector precision for affine motion model based video coding
TWI729483B (zh) 2018-09-04 2021-06-01 聯發科技股份有限公司 視訊編解碼系統的運動向量湊整統一的方法以及裝置
EP3852374A4 (en) * 2018-09-23 2021-12-08 Lg Electronics Inc. PROCESS FOR ENCODING / DECODING VIDEO SIGNALS AND ASSOCIATED EQUIPMENT
WO2020063599A1 (zh) * 2018-09-24 2020-04-02 华为技术有限公司 图像预测方法、装置以及相应的编码器和解码器
WO2020139182A1 (en) * 2018-12-28 2020-07-02 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for selecting transform selection in an encoder and decoder
US11089325B2 (en) * 2019-02-08 2021-08-10 Qualcomm Incorporated Constrained affine motion inheritance for video coding
US10986334B2 (en) * 2019-03-09 2021-04-20 Tencent America LLC Method and apparatus for video coding
EP3965420A4 (en) * 2019-04-30 2022-07-06 Wilus Institute of Standards and Technology Inc. VIDEO SIGNAL PROCESSING METHOD AND APPARATUS USING ADAPTIVE MOTION VECTOR RESOLUTION
US11032572B2 (en) * 2019-05-17 2021-06-08 Qualcomm Incorporated Low-frequency non-separable transform signaling based on zero-out patterns for video coding
US11949870B2 (en) * 2019-06-21 2024-04-02 Qualcomm Incorporated Context modeling for low-frequency non-separable transformation signaling for video coding
US11677984B2 (en) * 2019-08-20 2023-06-13 Qualcomm Incorporated Low-frequency non-separable transform (LFNST) signaling
US11184617B2 (en) * 2019-09-19 2021-11-23 Qualcomm Incorporated Transform unit design for video coding
US11153576B2 (en) * 2019-09-20 2021-10-19 Qualcomm Incorporated Scaling matrices and signaling for video coding
US11206400B2 (en) * 2019-09-26 2021-12-21 Qualcomm Incorporated Low-frequency non-separable transform (LFNST) simplifications
US11228787B2 (en) * 2019-11-27 2022-01-18 Mediatek Inc. Signaling multiple transmission selection

Also Published As

Publication number Publication date
EP3815375B1 (en) 2026-04-22
SG11202012967VA (en) 2021-01-28
JP2021529462A (ja) 2021-10-28
JP2024138494A (ja) 2024-10-08
US20230073342A1 (en) 2023-03-09
CN112335247A (zh) 2021-02-05
JP7779657B2 (ja) 2025-12-03
US20210274209A1 (en) 2021-09-02
CA3105072A1 (en) 2020-01-02
US11991384B2 (en) 2024-05-21
JP7794901B2 (ja) 2026-01-06
CN112335247B (zh) 2024-09-27
CN119071502A (zh) 2024-12-03
US20240305812A1 (en) 2024-09-12
WO2020006304A1 (en) 2020-01-02
US11503328B2 (en) 2022-11-15
CN119011869A (zh) 2024-11-22
EP3815375A1 (en) 2021-05-05
KR20210038846A (ko) 2021-04-08

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