CN112640452B - 用于基于仿射运动模型的视频译码的自适应运动向量精度 - Google Patents

用于基于仿射运动模型的视频译码的自适应运动向量精度 Download PDF

Info

Publication number
CN112640452B
CN112640452B CN201980055939.9A CN201980055939A CN112640452B CN 112640452 B CN112640452 B CN 112640452B CN 201980055939 A CN201980055939 A CN 201980055939A CN 112640452 B CN112640452 B CN 112640452B
Authority
CN
China
Prior art keywords
motion vector
precision
block
affine
motion
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.)
Active
Application number
CN201980055939.9A
Other languages
English (en)
Chinese (zh)
Other versions
CN112640452A (zh
Inventor
贺玉文
修晓宇
叶艳
罗健康
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.)
InterDigital VC Holdings Inc
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
Priority to CN202410736110.8A priority Critical patent/CN118509584A/zh
Priority to CN202410736220.4A priority patent/CN118540472A/zh
Publication of CN112640452A publication Critical patent/CN112640452A/zh
Application granted granted Critical
Publication of CN112640452B publication Critical patent/CN112640452B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • H04N19/103—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
    • H04N19/13—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
    • H04N19/134—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
    • 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
    • H04N19/134—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
    • H04N19/176—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
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • H04N19/192—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding the adaptation method, adaptation tool or adaptation type being iterative or recursive
    • 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
    • H04N19/523—Motion estimation or motion compensation with sub-pixel accuracy
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
CN201980055939.9A 2018-08-29 2019-08-28 用于基于仿射运动模型的视频译码的自适应运动向量精度 Active CN112640452B (zh)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202410736110.8A CN118509584A (zh) 2018-08-29 2019-08-28 视频编码和解码的方法和装置
CN202410736220.4A CN118540472A (zh) 2018-08-29 2019-08-28 视频编码和解码的方法和装置

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US201862724500P 2018-08-29 2018-08-29
US62/724,500 2018-08-29
US201862773069P 2018-11-29 2018-11-29
US62/773,069 2018-11-29
US201862786768P 2018-12-31 2018-12-31
US62/786,768 2018-12-31
PCT/US2019/048615 WO2020047132A1 (en) 2018-08-29 2019-08-28 Adaptive motion vector precision for affine motion model based video coding

Related Child Applications (2)

Application Number Title Priority Date Filing Date
CN202410736220.4A Division CN118540472A (zh) 2018-08-29 2019-08-28 视频编码和解码的方法和装置
CN202410736110.8A Division CN118509584A (zh) 2018-08-29 2019-08-28 视频编码和解码的方法和装置

Publications (2)

Publication Number Publication Date
CN112640452A CN112640452A (zh) 2021-04-09
CN112640452B true CN112640452B (zh) 2024-06-18

Family

ID=67928909

Family Applications (3)

Application Number Title Priority Date Filing Date
CN201980055939.9A Active CN112640452B (zh) 2018-08-29 2019-08-28 用于基于仿射运动模型的视频译码的自适应运动向量精度
CN202410736110.8A Pending CN118509584A (zh) 2018-08-29 2019-08-28 视频编码和解码的方法和装置
CN202410736220.4A Pending CN118540472A (zh) 2018-08-29 2019-08-28 视频编码和解码的方法和装置

Family Applications After (2)

Application Number Title Priority Date Filing Date
CN202410736110.8A Pending CN118509584A (zh) 2018-08-29 2019-08-28 视频编码和解码的方法和装置
CN202410736220.4A Pending CN118540472A (zh) 2018-08-29 2019-08-28 视频编码和解码的方法和装置

Country Status (5)

Country Link
US (4) US11582458B2 (enExample)
EP (1) EP3844955A1 (enExample)
JP (3) JP7747513B2 (enExample)
CN (3) CN112640452B (enExample)
WO (1) WO2020047132A1 (enExample)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12542927B2 (en) * 2009-06-07 2026-02-03 Lg Electronics Inc. Method and apparatus for decoding a video signal
KR102672759B1 (ko) * 2017-09-28 2024-06-05 삼성전자주식회사 부호화 방법 및 그 장치, 복호화 방법 및 그 장치
TWI731345B (zh) 2018-06-19 2021-06-21 大陸商北京字節跳動網絡技術有限公司 模式相依運動向量差精確集
EP4742674A2 (en) * 2018-06-29 2026-05-13 InterDigital VC Holdings, Inc. Adaptive control point selection for affine motion model based video coding
WO2020047132A1 (en) 2018-08-29 2020-03-05 Vid Scale, Inc. Adaptive motion vector precision for affine motion model based video coding
KR102635047B1 (ko) 2018-09-19 2024-02-07 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 적응적 움직임 벡터 해상도를 가지는 어파인 모드에 대한 구문 재사용
US11483567B2 (en) * 2018-09-22 2022-10-25 Lg Electronics Inc. Method and apparatus for processing video signals on basis of inter prediction
KR102613889B1 (ko) * 2018-09-23 2023-12-13 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 적응적 움직임 벡터 해상도를 갖는 움직임 벡터 수정
CN112806013B (zh) * 2018-10-04 2024-12-31 交互数字Vc控股公司 仿射模式下基于块大小的运动矢量编码
WO2020084512A1 (en) * 2018-10-23 2020-04-30 Beijing Bytedance Network Technology Co., Ltd. Affine motion information derivation from neighboring block
CN120980252A (zh) 2019-01-31 2025-11-18 北京字节跳动网络技术有限公司 对称运动矢量差编解码模式的快速算法
CN118118659A (zh) 2019-01-31 2024-05-31 北京字节跳动网络技术有限公司 记录仿射模式自适应运动矢量分辨率的上下文
JP7215243B2 (ja) * 2019-03-08 2023-01-31 株式会社Ｊｖｃケンウッド 画像符号化装置
SG11202109233PA (en) * 2019-03-12 2021-09-29 Tencent America LLC Method and apparatus for video encoding or decoding
WO2021047540A1 (en) 2019-09-09 2021-03-18 Beijing Bytedance Network Technology Co., Ltd. Coefficient scaling for high precision image and video coding
EP4032271B1 (en) * 2019-09-16 2025-04-09 InterDigital CE Patent Holdings, SAS Secondary transform for fast video encoder
WO2021052355A1 (en) 2019-09-21 2021-03-25 Beijing Bytedance Network Technology Co., Ltd. High precision transform and quantization for image and video coding
WO2022146833A1 (en) 2020-12-29 2022-07-07 Qualcomm Incorporated Template matching in video coding
US11758151B2 (en) * 2020-12-29 2023-09-12 Qualcomm Incorporated Template matching in video coding
EP4324206A1 (en) * 2021-04-12 2024-02-21 Qualcomm Incorporated Template matching based affine prediction for video coding
US11936877B2 (en) * 2021-04-12 2024-03-19 Qualcomm Incorporated Template matching based affine prediction for video coding
KR20240055763A (ko) * 2021-09-06 2024-04-29 베이징 다지아 인터넷 인포메이션 테크놀로지 컴퍼니 리미티드 비디오 코딩에서 아핀 병합 모드에 대한 후보 도출
US12200219B2 (en) * 2021-09-17 2025-01-14 Qualcomm Incorporated Adaptive bilateral matching for decoder side motion vector refinement for video coding
US12382057B2 (en) 2021-10-21 2025-08-05 Tencent America LLC Interdependence between adaptive resolution of motion vector difference and signaling/derivation of motion vector-related parameters
KR20240117573A (ko) * 2022-01-04 2024-08-01 엘지전자 주식회사 영상 인코딩/디코딩 방법 및 장치, 그리고 비트스트림을 저장한 기록 매체
US11979596B2 (en) * 2022-02-07 2024-05-07 Tencent America LLC Joint coding for adaptive motion vector difference resolution
US12273523B2 (en) * 2022-06-15 2025-04-08 Tencent America LLC Systems and methods for joint signaling of transform coefficient signs
US12375710B2 (en) * 2022-07-19 2025-07-29 Tencent America LLC Adaptive motion vector for warped motion mode of video coding
US12382082B2 (en) 2022-09-09 2025-08-05 Tencent America LLC Systems and methods for subblock motion vector coding
CN120226350A (zh) * 2022-11-18 2025-06-27 抖音视界有限公司 用于视频处理的方法、装置和介质
CN120958812A (zh) * 2023-04-11 2025-11-14 字节跳动有限公司 用于视频处理的方法、装置和介质

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW201739252A (zh) * 2016-03-15 2017-11-01 聯發科技股份有限公司 具有仿射運動補償的視訊編碼的方法以及裝置

Family Cites Families (71)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2914448B2 (ja) 1997-06-25 1999-06-28 日本電信電話株式会社 動きベクトル予測符号化方法および動きベクトル復号方法、予測符号化装置および復号装置、並びに、動きベクトルの予測符号化プログラムおよび復号プログラムを記録した記録媒体
JP2003299040A (ja) 2002-04-03 2003-10-17 Sony Corp 動きベクトル検出装置及び方法
US8902971B2 (en) 2004-07-30 2014-12-02 Euclid Discoveries, Llc Video compression repository and model reuse
US9532069B2 (en) 2004-07-30 2016-12-27 Euclid Discoveries, Llc Video compression repository and model reuse
US8879856B2 (en) 2005-09-27 2014-11-04 Qualcomm Incorporated Content driven transcoder that orchestrates multimedia transcoding using content information
US8634469B2 (en) 2006-02-06 2014-01-21 Thomson Licensing Method and apparatus for reusing available motion information as a motion estimation predictor for video encoding
PL2642756T3 (pl) 2006-10-16 2019-05-31 Nokia Technologies Oy System i sposób realizacji wydajnego zarządzania dekodowanymi buforami w kodowaniu wideo z wieloma widokami
EP2063417A1 (en) 2007-11-23 2009-05-27 Deutsche Thomson OHG Rounding noise shaping for integer transform based encoding and decoding
US20090167775A1 (en) 2007-12-30 2009-07-02 Ning Lu Motion estimation compatible with multiple standards
US8462852B2 (en) 2009-10-20 2013-06-11 Intel Corporation Methods and apparatus for adaptively choosing a search range for motion estimation
US9237355B2 (en) 2010-02-19 2016-01-12 Qualcomm Incorporated Adaptive motion resolution for video coding
US8837592B2 (en) 2010-04-14 2014-09-16 Mediatek Inc. Method for performing local motion vector derivation during video coding of a coding unit, and associated apparatus
US8976873B2 (en) 2010-11-24 2015-03-10 Stmicroelectronics S.R.L. Apparatus and method for performing error concealment of inter-coded video frames
US9042440B2 (en) 2010-12-03 2015-05-26 Qualcomm Incorporated Coding the position of a last significant coefficient within a video block based on a scanning order for the block in video coding
US8976861B2 (en) 2010-12-03 2015-03-10 Qualcomm Incorporated Separately coding the position of a last significant coefficient of a video block in video coding
US10123053B2 (en) 2011-05-23 2018-11-06 Texas Instruments Incorporated Acceleration of bypass binary symbol processing in video coding
US9491469B2 (en) 2011-06-28 2016-11-08 Qualcomm Incorporated Coding of last significant transform coefficient
US9826238B2 (en) 2011-06-30 2017-11-21 Qualcomm Incorporated Signaling syntax elements for transform coefficients for sub-sets of a leaf-level coding unit
US10536701B2 (en) 2011-07-01 2020-01-14 Qualcomm Incorporated Video coding using adaptive motion vector resolution
US9807426B2 (en) 2011-07-01 2017-10-31 Qualcomm Incorporated Applying non-square transforms to video data
US9641866B2 (en) 2011-08-18 2017-05-02 Qualcomm Incorporated Applying partition-based filters
US10034018B2 (en) 2011-09-23 2018-07-24 Velos Media, Llc Decoded picture buffer management
US11184623B2 (en) 2011-09-26 2021-11-23 Texas Instruments Incorporated Method and system for lossless coding mode in video coding
US9584819B2 (en) 2011-10-24 2017-02-28 Qualcomm Incorporated Grouping of tiles for video coding
US10645398B2 (en) 2011-10-25 2020-05-05 Texas Instruments Incorporated Sample-based angular intra-prediction in video coding
US10642921B2 (en) 2011-11-03 2020-05-05 Texas Instruments Incorporated Unified forward and inverse transform architecture
US9571833B2 (en) 2011-11-04 2017-02-14 Nokia Technologies Oy Method for coding and an apparatus
WO2013075042A1 (en) 2011-11-18 2013-05-23 General Instrument Corporation Efficient storage of motion information for high efficiency video coding
EP2795901A1 (en) 2011-12-20 2014-10-29 Motorola Mobility LLC Method and apparatus for efficient transform unit encoding
US20130163664A1 (en) 2011-12-22 2013-06-27 Qualcomm Incorporated Unified partition mode table for intra-mode coding
US9462275B2 (en) 2012-01-30 2016-10-04 Qualcomm Incorporated Residual quad tree (RQT) coding for video coding
RU2584501C1 (ru) 2012-04-16 2016-05-20 Нокиа Текнолоджиз Ой Способ и устройство для видеокодирования
US9800869B2 (en) 2012-06-15 2017-10-24 Google Technology Holdings LLC Method and apparatus for efficient slice header processing
US9706200B2 (en) 2012-06-18 2017-07-11 Qualcomm Incorporated Unification of signaling lossless coding mode and pulse code modulation (PCM) mode in video coding
US9264713B2 (en) 2012-07-11 2016-02-16 Qualcomm Incorporated Rotation of prediction residual blocks in video coding with transform skipping
US20140029670A1 (en) 2012-07-27 2014-01-30 Motorola Mobility Llc Devices and methods for processing of partition mode in high efficiency video coding
US8675731B2 (en) 2012-08-13 2014-03-18 Gurulogic Microsystems Oy Encoder and method
JP6148146B2 (ja) 2013-10-09 2017-06-14 日本電信電話株式会社 映像符号化装置、映像符号化方法及び映像符号化プログラム
US10531116B2 (en) 2014-01-09 2020-01-07 Qualcomm Incorporated Adaptive motion vector resolution signaling for video coding
CN106105227B (zh) 2014-03-16 2019-12-24 Vid拓展公司 用于无损视频译码的信令的方法和设备
US20170208341A1 (en) 2014-08-12 2017-07-20 Intel Corporation System and method of motion estimation for video coding
CA2977526C (en) 2015-02-27 2020-02-18 Arris Enterprises Llc Modification of unification of intra block copy and inter signaling related syntax and semantics
US11330284B2 (en) 2015-03-27 2022-05-10 Qualcomm Incorporated Deriving motion information for sub-blocks in video coding
CN105163116B (zh) 2015-08-29 2018-07-31 华为技术有限公司 图像预测的方法及设备
CN108886619A (zh) 2016-01-07 2018-11-23 联发科技股份有限公司 用于视频编解码系统的仿射合并模式预测的方法及装置
US10887619B2 (en) * 2016-02-03 2021-01-05 Sharp Kabushiki Kaisha Moving image decoding device, moving image coding device, and prediction image generation device
US10845186B2 (en) 2016-03-09 2020-11-24 Sony Corporation Information processing device, information processing method, and information processing system
EP3414900B1 (en) * 2016-03-15 2025-08-06 HFI Innovation Inc. Method and apparatus of video coding with affine motion compensation
KR102480191B1 (ko) 2016-05-13 2022-12-21 브이아이디 스케일, 인크. 비디오 코딩을 위한 일반화된 다중-가설 예측 시스템 및 방법
WO2018049594A1 (en) 2016-09-14 2018-03-22 Mediatek Inc. Methods of encoder decision for quad-tree plus binary tree structure
US10462462B2 (en) 2016-09-29 2019-10-29 Qualcomm Incorporated Motion vector difference coding technique for video coding
EP3301918A1 (en) 2016-10-03 2018-04-04 Thomson Licensing Method and apparatus for encoding and decoding motion information
US10979732B2 (en) * 2016-10-04 2021-04-13 Qualcomm Incorporated Adaptive motion vector precision for video coding
US10448010B2 (en) 2016-10-05 2019-10-15 Qualcomm Incorporated Motion vector prediction for affine motion models in video coding
CN109891884B (zh) 2016-10-19 2021-04-20 华为技术有限公司 用于编码和解码视频信号的视频编码块的装置和方法
US10636152B2 (en) 2016-11-15 2020-04-28 Gvbb Holdings S.A.R.L. System and method of hybrid tracking for match moving
TWI782974B (zh) 2017-04-13 2022-11-11 美商松下電器（美國）知識產權公司 解碼裝置、解碼方法及非暫時性電腦可讀取媒體
US10805630B2 (en) * 2017-04-28 2020-10-13 Qualcomm Incorporated Gradient based matching for motion search and derivation
CN117478884A (zh) 2017-07-03 2024-01-30 Vid拓展公司 用于视频编解码的设备、方法
WO2019032765A1 (en) 2017-08-09 2019-02-14 Vid Scale, Inc. CONVERSION-ELEVATION OF FRAME FREQUENCY WITH REDUCED COMPLEXITY
CN109391814B (zh) * 2017-08-11 2023-06-06 华为技术有限公司 视频图像编码和解码的方法、装置及设备
US11677940B2 (en) 2017-09-20 2023-06-13 Electronics And Telecommunications Research Institute Method and device for encoding/decoding image, and recording medium having stored bitstream
WO2019072371A1 (en) 2017-10-09 2019-04-18 Huawei Technologies Co., Ltd. MEMORY ACCESS WINDOW FOR PREDICTION SUB-BLOCK MOTION VECTOR CALCULATION
US20190164296A1 (en) 2017-11-27 2019-05-30 Qualcomm Incorporated Systems and methods for determining a confidence measure for a motion vector
US10798399B1 (en) 2017-12-11 2020-10-06 Amazon Technologies, Inc. Adaptive video compression
CN112237001B (zh) 2018-06-07 2024-04-12 韦勒斯标准与技术协会公司 使用自适应运动矢量分辨率的视频信号处理方法及装置
US11070813B2 (en) 2018-06-29 2021-07-20 Intel Corporation Global motion estimation and modeling for accurate global motion compensation for efficient video processing or coding
EP3817382B1 (en) * 2018-07-11 2026-03-18 Huawei Technologies Co., Ltd. Video encoder, video decoder, and corresponding method
WO2020047132A1 (en) 2018-08-29 2020-03-05 Vid Scale, Inc. Adaptive motion vector precision for affine motion model based video coding
KR102635047B1 (ko) 2018-09-19 2024-02-07 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 적응적 움직임 벡터 해상도를 가지는 어파인 모드에 대한 구문 재사용
US11076169B2 (en) * 2019-05-14 2021-07-27 Qualcomm Incorporated Switchable interpolation filtering (SIF) for video coding

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW201739252A (zh) * 2016-03-15 2017-11-01 聯發科技股份有限公司 具有仿射運動補償的視訊編碼的方法以及裝置

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
Description of SDR, HDR and 360° video coding technology proposal by Qualcomm and Technicolor – low and high complexity versions;Y. Chen 等;《Joint Video Exploration Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11》;第17-20页 *
Y. Chen 等.Description of SDR, HDR and 360° video coding technology proposal by Qualcomm and Technicolor – low and high complexity versions.《Joint Video Exploration Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11》.2018,第17-20页. *

Also Published As

Publication number Publication date
US11582458B2 (en) 2023-02-14
US20260129207A1 (en) 2026-05-07
JP2021536686A (ja) 2021-12-27
EP3844955A1 (en) 2021-07-07
CN118540472A (zh) 2024-08-23
WO2020047132A1 (en) 2020-03-05
JP2026015327A (ja) 2026-01-29
US12542907B2 (en) 2026-02-03
JP2025026854A (ja) 2025-02-26
US20230136599A1 (en) 2023-05-04
JP7757502B2 (ja) 2025-10-21
CN118509584A (zh) 2024-08-16
US20210203947A1 (en) 2021-07-01
JP7747513B2 (ja) 2025-10-01
US12069275B2 (en) 2024-08-20
CN112640452A (zh) 2021-04-09
US20240380892A1 (en) 2024-11-14

Similar Documents

Publication Publication Date Title
US12542907B2 (en) Adaptive motion vector precision for affine motion model based video coding
AU2023202182B2 (en) Methods and apparatus for reducing the coding latency of decoder-side motion refinement
JP7469439B2 (ja) ビデオ符号化のための一般化された多重仮説予測（Ｇｅｎｅｒａｌｉｚｅｄ Ｍｕｌｔｉ－Ｈｙｐｏｔｈｅｓｉｓ Ｐｒｅｄｉｃｔｉｏｎ）のためのシステムおよび方法
US12200222B2 (en) Affine motion model derivation method
CN114026851A (zh) 利用光流的运动补偿的精度细化
RU2803479C2 (ru) Адаптивная точность вектора движения для кодирования видеосигналов на основе аффинной модели движения

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20240821

Address after: Delaware, USA

Patentee after: Interactive Digital VC Holdings

Country or region after: U.S.A.

Address before: Wilmington, Delaware, USA

Patentee before: VID SCALE, Inc.

Country or region before: U.S.A.

TR01 Transfer of patent right