CA2932811C - Adaptive motion vector resolution signaling for video coding - Google Patents

Adaptive motion vector resolution signaling for video coding Download PDF

Info

Publication number
CA2932811C
CA2932811C CA2932811A CA2932811A CA2932811C CA 2932811 C CA2932811 C CA 2932811C CA 2932811 A CA2932811 A CA 2932811A CA 2932811 A CA2932811 A CA 2932811A CA 2932811 C CA2932811 C CA 2932811C
Authority
CA
Canada
Prior art keywords
motion vector
block
precision
video data
difference 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.)
Active
Application number
CA2932811A
Other languages
English (en)
French (fr)
Other versions
CA2932811A1 (en
Inventor
Xiang Li
Joel Sole Rojals
Marta Karczewicz
Hongbin Liu
Li Zhang
Jianle Chen
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.)
Qualcomm Inc
Original Assignee
Qualcomm 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 Qualcomm Inc filed Critical Qualcomm Inc
Publication of CA2932811A1 publication Critical patent/CA2932811A1/en
Application granted granted Critical
Publication of CA2932811C publication Critical patent/CA2932811C/en
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
    • H04N19/169—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
    • H04N19/179—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 scene or a shot
    • 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
    • H04N19/50—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
    • 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
    • H04N19/50—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
    • H04N19/53—Multi-resolution motion estimation; Hierarchical motion 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
    • H04N19/533—Motion estimation using multistep search, e.g. two-dimensional [2D]-log search or one-at-a-time search [OTS]
    • 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
    • H04N19/56—Motion estimation with initialisation of the vector search, e.g. estimating a good candidate to initiate a search
    • 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
    • H04N19/134—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
CA2932811A 2014-01-09 2015-01-09 Adaptive motion vector resolution signaling for video coding Active CA2932811C (en)

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
US201461925633P 2014-01-09 2014-01-09
US61/925,633 2014-01-09
US201461954457P 2014-03-17 2014-03-17
US61/954,457 2014-03-17
US201462064761P 2014-10-16 2014-10-16
US62/064,761 2014-10-16
US14/592,767 US10531116B2 (en) 2014-01-09 2015-01-08 Adaptive motion vector resolution signaling for video coding
US14/592,767 2015-01-08
PCT/US2015/010852 WO2015106126A1 (en) 2014-01-09 2015-01-09 Adaptive motion vector resolution signaling for video coding

Publications (2)

Publication Number Publication Date
CA2932811A1 CA2932811A1 (en) 2015-07-16
CA2932811C true CA2932811C (en) 2022-12-06

Family

ID=53496199

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2932811A Active CA2932811C (en) 2014-01-09 2015-01-09 Adaptive motion vector resolution signaling for video coding

Country Status (14)

Country Link
US (1) US10531116B2 (enExample)
EP (3) EP3451666B1 (enExample)
JP (2) JP2017508346A (enExample)
KR (1) KR102184063B1 (enExample)
CN (1) CN106165419B (enExample)
BR (1) BR112016015998B1 (enExample)
CA (1) CA2932811C (enExample)
DK (1) DK3092801T3 (enExample)
ES (2) ES2880744T3 (enExample)
HU (1) HUE055118T2 (enExample)
PL (2) PL3451666T3 (enExample)
PT (1) PT3092801T (enExample)
SI (1) SI3092801T1 (enExample)
WO (1) WO2015106126A1 (enExample)

Families Citing this family (98)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015113510A1 (en) * 2014-01-29 2015-08-06 Mediatek Inc. Method and apparatus for adaptive motion vector precision
GB2524476B (en) * 2014-03-14 2016-04-27 Canon Kk Method, device and computer program for optimizing transmission of motion vector related information when transmitting a video stream
US10432928B2 (en) 2014-03-21 2019-10-01 Qualcomm Incorporated Using a current picture as a reference for video coding
CN104539966B (zh) * 2014-09-30 2017-12-22 华为技术有限公司 图像预测方法及相关装置
CN107079164B (zh) 2014-09-30 2020-07-10 寰发股份有限公司 用于视频编码的自适应运动向量分辨率的方法
KR102349788B1 (ko) * 2015-01-13 2022-01-11 인텔렉추얼디스커버리 주식회사 영상의 부호화/복호화 방법 및 장치
US11330284B2 (en) 2015-03-27 2022-05-10 Qualcomm Incorporated Deriving motion information for sub-blocks in video coding
US20160337662A1 (en) * 2015-05-11 2016-11-17 Qualcomm Incorporated Storage and signaling resolutions of motion vectors
US10200713B2 (en) 2015-05-11 2019-02-05 Qualcomm Incorporated Search region determination for inter coding within a particular picture of video data
CN115002457B (zh) * 2015-06-05 2025-05-06 杜比实验室特许公司 图像编码和解码方法和图像解码设备
US10560713B2 (en) 2015-09-24 2020-02-11 Lg Electronics Inc. Method and apparatus for motion vector refinement-based inter prediction in image coding system
CN105306866A (zh) * 2015-10-27 2016-02-03 青岛海信电器股份有限公司 帧率转换方法及装置
KR101735798B1 (ko) * 2015-12-16 2017-05-29 서울대학교산학협력단 병합 모드를 기반으로 한 영상 부호화 방법 및 장치
WO2017124298A1 (zh) * 2016-01-19 2017-07-27 北京大学深圳研究生院 视频编码、解码方法及其帧间预测方法、装置和系统
US10602176B2 (en) * 2016-04-15 2020-03-24 Google Llc Coding interpolation filter type
WO2017194756A1 (en) * 2016-05-12 2017-11-16 Telefonaktiebolaget Lm Ericsson (Publ) Methods and arrangements for coding and decoding motion vectors
EP3264768A1 (en) 2016-06-30 2018-01-03 Thomson Licensing Method and apparatus for video coding with adaptive motion information refinement
CN116567226A (zh) 2016-08-11 2023-08-08 Lx 半导体科技有限公司 图像编码/解码设备和图像数据的发送设备
US11356693B2 (en) 2016-09-29 2022-06-07 Qualcomm Incorporated Motion vector coding for video coding
US10462462B2 (en) 2016-09-29 2019-10-29 Qualcomm Incorporated Motion vector difference coding technique for video coding
US10979732B2 (en) * 2016-10-04 2021-04-13 Qualcomm Incorporated Adaptive motion vector precision for video coding
CN109496431A (zh) * 2016-10-13 2019-03-19 富士通株式会社 图像编码/解码方法、装置以及图像处理设备
KR20180043151A (ko) 2016-10-19 2018-04-27 에스케이텔레콤 주식회사 영상 부호화 또는 복호화를 위한 장치 및 방법
CN116567208A (zh) * 2016-10-19 2023-08-08 Sk电信有限公司 视频编码/解码设备和方法及非暂时性记录介质
ES2886871T3 (es) * 2016-12-05 2021-12-21 Lg Electronics Inc Método y medio de almacenamiento para la decodificación de una imagen en un sistema de codificación de imágenes
US10491917B2 (en) * 2017-03-22 2019-11-26 Qualcomm Incorporated Decoder-side motion vector derivation
EP3410717A1 (en) * 2017-05-31 2018-12-05 Thomson Licensing Methods and apparatus for candidate list pruning
US20180357870A1 (en) * 2017-06-07 2018-12-13 Amazon Technologies, Inc. Behavior-aware security systems and associated methods
US11272207B2 (en) 2017-06-12 2022-03-08 Futurewei Technologies, Inc. Selection and signaling of motion vector (MV) precisions
KR102430225B1 (ko) 2017-06-30 2022-08-09 후아웨이 테크놀러지 컴퍼니 리미티드 모션 벡터 정제를 위한 검색 영역
US11082702B2 (en) 2017-07-03 2021-08-03 Lg Electronics Inc. Inter prediction mode-based image processing method and device therefor
EP3451664A1 (en) * 2017-09-01 2019-03-06 Thomson Licensing Motion compensation at a finer precision than motion vector differential
US10841794B2 (en) * 2017-09-18 2020-11-17 Futurewei Technologies, Inc. Adaptive motion vector resolution
CN109587501B (zh) * 2017-09-28 2022-07-12 腾讯科技（深圳）有限公司 进行运动估计的方法、装置及存储介质
KR102306562B1 (ko) * 2017-11-27 2021-09-30 엘지전자 주식회사 영상 코딩 시스템에서 인터 예측에 따른 영상 디코딩 방법 및 장치
CN109905714B (zh) * 2017-12-08 2022-12-27 华为技术有限公司 帧间预测方法、装置及终端设备
US10869062B2 (en) * 2017-12-21 2020-12-15 Qualcomm Incorporated Probability initialization and signaling for adaptive arithmetic coding in video coding
US11012715B2 (en) 2018-02-08 2021-05-18 Qualcomm Incorporated Intra block copy for video coding
CN110166778A (zh) * 2018-02-12 2019-08-23 华为技术有限公司 视频解码方法、视频解码器以及电子设备
GB2585304B (en) * 2018-02-12 2023-03-08 Mediatek Inc Method and apparatus of current picture referencing for video coding using adaptive motion vector resolution and sub-block prediction mode
WO2019194497A1 (ko) * 2018-04-01 2019-10-10 엘지전자 주식회사 인터 예측 모드 기반 영상 처리 방법 및 이를 위한 장치
HRP20240462T1 (hr) * 2018-04-13 2024-07-05 Lg Electronics Inc. Metoda i aparat za inter predviđanje u sustavu za obradu videozapisa
CN116668678A (zh) * 2018-05-10 2023-08-29 Lg电子株式会社 图像编解码方法、计算机可读存储介质和数据发送方法
MY206099A (en) 2018-05-16 2024-11-28 Huawei Tech Co Ltd Video coding method and apparatus
US11509924B2 (en) * 2018-06-01 2022-11-22 Panasonic Intellectual Property Corporation Of America Encoder, decoder, encoding method, and decoding method
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
WO2019234672A1 (en) 2018-06-07 2019-12-12 Beijing Bytedance Network Technology Co., Ltd. Partial cost calculation
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
US10798394B2 (en) * 2018-06-27 2020-10-06 Avago Technologies International Sales Pte. Limited Low complexity affine merge mode for versatile 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
US10897617B2 (en) * 2018-07-24 2021-01-19 Qualcomm Incorporated Rounding of motion vectors for adaptive motion vector difference resolution and increased motion vector storage precision in video coding
CN112514383B (zh) * 2018-07-31 2023-12-19 寰发股份有限公司 用于视频编解码的利用运动向量差的合并方法和装置
US11057617B2 (en) * 2018-08-03 2021-07-06 Tencent America LLC Method and apparatus for video coding
CN115842912A (zh) 2018-08-04 2023-03-24 抖音视界有限公司 不同解码器侧运动矢量推导模式之间的交互
TWI753280B (zh) * 2018-08-04 2022-01-21 大陸商北京字節跳動網絡技術有限公司 Bio中的mv精度
WO2020047132A1 (en) 2018-08-29 2020-03-05 Vid Scale, Inc. Adaptive motion vector precision for affine motion model based video coding
BR122022004561B1 (pt) 2018-09-17 2024-02-06 Samsung Electronics Co., Ltd Método de decodificação de vídeo, aparelho de decodificação de vídeo, método de codificação de vídeo, e aparelho de codificação de vídeo
KR102635047B1 (ko) 2018-09-19 2024-02-07 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 적응적 움직임 벡터 해상도를 가지는 어파인 모드에 대한 구문 재사용
WO2020057524A1 (en) 2018-09-19 2020-03-26 Huawei Technologies Co., Ltd. Method for skipping refinement based on patch similarity in bilinear interpolation based decoder-side motion vector refinement
KR102613889B1 (ko) 2018-09-23 2023-12-13 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 적응적 움직임 벡터 해상도를 갖는 움직임 벡터 수정
CN111010569B (zh) 2018-10-06 2023-02-28 北京字节跳动网络技术有限公司 Bio中的时间梯度计算的改善
CN111010581B (zh) * 2018-12-07 2022-08-12 北京达佳互联信息技术有限公司 运动矢量信息的处理方法、装置、电子设备及存储介质
US10951895B2 (en) 2018-12-31 2021-03-16 Alibaba Group Holding Limited Context model selection based on coding unit characteristics
CN111226440A (zh) * 2019-01-02 2020-06-02 深圳市大疆创新科技有限公司 视频处理方法和装置
WO2020140216A1 (zh) * 2019-01-02 2020-07-09 北京大学 视频处理方法和装置
CN118474391A (zh) 2019-01-04 2024-08-09 北京三星通信技术研究有限公司 对运动矢量信息进行编/解码的方法及装置
US11431987B2 (en) * 2019-01-08 2022-08-30 Tencent America LLC Method and apparatus for memory bandwidth reduction for small inter blocks
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
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
CN113424534B (zh) * 2019-02-01 2026-04-21 北京字节跳动网络技术有限公司 自适应运动矢量分辨率的多个语法元素
WO2020173482A1 (en) * 2019-02-27 2020-09-03 Beijing Bytedance Network Technology Co., Ltd. Motion vector coding for screen content coding
US11025948B2 (en) 2019-02-28 2021-06-01 Tencent America LLC Method and apparatus for motion prediction in video coding
CN120455658A (zh) * 2019-03-08 2025-08-08 交互数字Vc控股公司 用于视频编码或解码的方法和装置
US11178415B2 (en) * 2019-03-12 2021-11-16 Tencent America LLC Signaling of CU based interpolation filter selection
CN113661711B (zh) * 2019-03-16 2025-09-26 交互数字Vc控股公司 利用光流补偿进行的帧间预测存储器访问带宽减少方法
US20190222858A1 (en) * 2019-03-26 2019-07-18 Intel Corporation Optimal out of loop inter motion estimation with multiple candidate support
CN113678444B (zh) * 2019-03-27 2023-08-18 北京字节跳动网络技术有限公司 具有自适应运动矢量分辨率的仿射模式的熵编解码
AU2020250609B2 (en) 2019-04-01 2023-09-07 Beijing Bytedance Network Technology Co., Ltd. Using interpolation filters for history based motion vector prediction
RU2701058C1 (ru) * 2019-04-12 2019-09-24 Общество с ограниченной ответственностью "Научно-производственная фирма "САД-КОМ" Способ компенсации движения и устройство для его реализации
CN113853793B (zh) 2019-05-21 2023-12-19 北京字节跳动网络技术有限公司 基于光流的帧间编码的语法信令
CN110248192B (zh) * 2019-06-12 2021-10-15 腾讯科技（深圳）有限公司 编码器切换、解码器切换、屏幕分享方法和屏幕分享系统
KR20220047729A (ko) * 2019-06-20 2022-04-19 인터디지털 브이씨 홀딩스 프랑스 에스에이에스 비디오 인코딩 및 디코딩을 위한 움직임 벡터 처리
WO2020257484A1 (en) 2019-06-21 2020-12-24 Vid Scale, Inc. Precision refinement for motion compensation with optical flow
WO2020259507A1 (en) * 2019-06-24 2020-12-30 Huawei Technologies Co., Ltd. Method for computing position of integer grid reference sample for block level boundary sample gradient computation in bi-predictive optical flow computation and bi-predictive correction
US11190789B2 (en) * 2019-06-30 2021-11-30 Tencent America LLC Method and apparatus for video coding using inter-prediction mode signaling to dertermine motion vectors
US11425414B2 (en) * 2019-08-05 2022-08-23 Tencent America LLC Method and apparatus for video coding
MY209640A (en) * 2019-08-10 2025-07-28 Beijing Bytedance Network Tech Co Ltd Subpicture dependent signaling in video bitstreams
EP3997881A4 (en) 2019-08-20 2022-09-14 Beijing Bytedance Network Technology Co., Ltd. SELECTIVE USE OF ALTERNATIVE INTERPOLATION FILTERS IN VIDEO PROCESSING
US11218718B2 (en) 2019-08-26 2022-01-04 Tencent America LLC Adaptive motion vector resolution signaling
CN114223203A (zh) * 2019-08-27 2022-03-22 松下电器（美国）知识产权公司 编码装置、解码装置、编码方法和解码方法
WO2021047540A1 (en) 2019-09-09 2021-03-18 Beijing Bytedance Network Technology Co., Ltd. Coefficient scaling for high precision image and video coding
WO2021052355A1 (en) 2019-09-21 2021-03-25 Beijing Bytedance Network Technology Co., Ltd. High precision transform and quantization for image and video coding
CN110572673B (zh) * 2019-09-27 2024-04-09 腾讯科技（深圳）有限公司 视频编解码方法和装置、存储介质及电子装置
WO2021073630A1 (en) 2019-10-18 2021-04-22 Beijing Bytedance Network Technology Co., Ltd. Syntax constraints in parameter set signaling of subpictures
WO2021110017A1 (en) 2019-12-02 2021-06-10 Beijing Bytedance Network Technology Co., Ltd. Merge with motion vector differencing in affine mode
CN115398892B (zh) 2020-03-23 2025-02-28 抖音视界有限公司 仿射merge和仿射运动矢量预测模式的预测细化
WO2022146833A1 (en) * 2020-12-29 2022-07-07 Qualcomm Incorporated Template matching in video coding
US12132895B2 (en) * 2021-12-06 2024-10-29 Tencent America LLC Interpolation filters for adaptive motion vector difference resolution

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8208550B2 (en) * 2007-07-31 2012-06-26 Hewlett-Packard Development Company, L.P. Adapting an encoded video signal to encoding complexity
BRPI1012928A2 (pt) 2009-06-09 2018-01-30 Sony Corp aparelho e método de processamento de imagem.
US20120063515A1 (en) * 2010-09-09 2012-03-15 Qualcomm Incorporated Efficient Coding of Video Parameters for Weighted Motion Compensated Prediction in Video Coding
JP5579937B2 (ja) 2010-10-06 2014-08-27 インテル コーポレイション 低複雑度の動きベクトルを導出するシステム及び方法
US10327008B2 (en) * 2010-10-13 2019-06-18 Qualcomm Incorporated Adaptive motion vector resolution signaling for video coding
CA2830036C (en) * 2011-04-12 2019-03-05 Panasonic Corporation Moving picture coding method, moving picture coding apparatus, moving picture decoding method, moving picture decoding apparatus and moving picture coding and decoding apparatus
WO2013002716A2 (en) * 2011-06-30 2013-01-03 Telefonaktiebolaget L M Ericsson (Publ) A method a decoder and encoder for processing a motion vector
US10536701B2 (en) * 2011-07-01 2020-01-14 Qualcomm Incorporated Video coding using adaptive motion vector resolution
JP2011229190A (ja) * 2011-08-17 2011-11-10 Sharp Corp 動画像符号化装置及び動画像復号装置
ES2773691T3 (es) * 2011-09-14 2020-07-14 Samsung Electronics Co Ltd Procedimiento y dispositivo de codificación de una unidad de predicción (PU) según su tamaño y dispositivo de decodificación correspondiente
EP2727366B1 (en) * 2011-10-11 2018-10-03 MediaTek Inc. Method and apparatus of motion and disparity vector derivation for 3d video coding and hevc
JP2013098899A (ja) * 2011-11-04 2013-05-20 Sony Corp 符号化装置および符号化方法、並びに、復号装置および復号方法
US9325991B2 (en) * 2012-04-11 2016-04-26 Qualcomm Incorporated Motion vector rounding
US20130336406A1 (en) * 2012-06-14 2013-12-19 Qualcomm Incorporated Redundancy removal for merge/skip mode motion information candidate list construction
KR20130139811A (ko) 2013-10-21 2013-12-23 주식회사 케이티 화면 간 예측 수행시 후보 블록 결정 방법 및 이러한 방법을 사용하는 장치

Also Published As

Publication number Publication date
EP3451666B1 (en) 2025-01-08
EP3092801B1 (en) 2021-06-30
CA2932811A1 (en) 2015-07-16
KR102184063B1 (ko) 2020-11-27
KR20160106617A (ko) 2016-09-12
HUE055118T2 (hu) 2021-10-28
EP4550792A1 (en) 2025-05-07
CN106165419A (zh) 2016-11-23
PL3092801T3 (pl) 2021-11-22
ES3009439T3 (en) 2025-03-26
PT3092801T (pt) 2021-07-30
EP3451666C0 (en) 2025-01-08
EP3092801A1 (en) 2016-11-16
US10531116B2 (en) 2020-01-07
SI3092801T1 (sl) 2021-08-31
ES2880744T3 (es) 2021-11-25
CN106165419B (zh) 2020-03-24
PL3451666T3 (pl) 2025-03-03
BR112016015998A2 (pt) 2017-08-08
DK3092801T3 (da) 2021-07-26
JP2017508346A (ja) 2017-03-23
JP6843821B2 (ja) 2021-03-17
EP3451666A1 (en) 2019-03-06
BR112016015998B1 (pt) 2023-11-14
JP2019080321A (ja) 2019-05-23
US20150195562A1 (en) 2015-07-09
WO2015106126A1 (en) 2015-07-16

Similar Documents

Publication Publication Date Title
EP3451666B1 (en) Adaptive motion vector resolution signaling for video coding
US11356693B2 (en) Motion vector coding for video coding
JP7438265B2 (ja) ビデオコーディングのための適応的な動きベクトル精度
US10462462B2 (en) Motion vector difference coding technique for video coding
US11330284B2 (en) Deriving motion information for sub-blocks in video coding
CN110546956B (zh) 一种帧间预测的方法及装置
HK40002586A (en) Adaptive motion vector precision for video coding
HK40002586B (en) Adaptive motion vector precision for video coding
HK1240440B (zh) 视频译码中运动向量推导

Legal Events

Date Code Title Description
EEER Examination request

Effective date: 20191209

MPN Maintenance fee for patent paid

Free format text: FEE DESCRIPTION TEXT: MF (PATENT, 10TH ANNIV.) - STANDARD

Year of fee payment: 10

U00 Fee paid

Free format text: ST27 STATUS EVENT CODE: A-4-4-U10-U00-U101 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE REQUEST RECEIVED

Effective date: 20241216

U11 Full renewal or maintenance fee paid

Free format text: ST27 STATUS EVENT CODE: A-4-4-U10-U11-U102 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE FEE PAYMENT DETERMINED COMPLIANT

Effective date: 20241216

Free format text: ST27 STATUS EVENT CODE: A-4-4-U10-U11-U102 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE FEE PAYMENT PAID IN FULL

Effective date: 20241216

MPN Maintenance fee for patent paid

Free format text: FEE DESCRIPTION TEXT: MF (PATENT, 11TH ANNIV.) - STANDARD

Year of fee payment: 11

U00 Fee paid

Free format text: ST27 STATUS EVENT CODE: A-4-4-U10-U00-U101 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE REQUEST RECEIVED

Effective date: 20251209

U11 Full renewal or maintenance fee paid

Free format text: ST27 STATUS EVENT CODE: A-4-4-U10-U11-U102 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE FEE PAYMENT PAID IN FULL

Effective date: 20251209