SG11202003255VA - Limited memory access window for motion vector refinement - Google Patents

Limited memory access window for motion vector refinement

Info

Publication number
SG11202003255VA
SG11202003255VA SG11202003255VA SG11202003255VA SG11202003255VA SG 11202003255V A SG11202003255V A SG 11202003255VA SG 11202003255V A SG11202003255V A SG 11202003255VA SG 11202003255V A SG11202003255V A SG 11202003255VA SG 11202003255V A SG11202003255V A SG 11202003255VA
Authority
SG
Singapore
Prior art keywords
motion vector
memory access
access window
limited memory
vector refinement
Prior art date
Application number
SG11202003255VA
Other languages
English (en)
Inventor
Anand Kotra
Zhijie Zhao
Semih Esenlik
Han Gao
Original Assignee
Huawei Tech Co Ltd
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 Huawei Tech Co Ltd filed Critical Huawei Tech Co Ltd
Publication of SG11202003255VA publication Critical patent/SG11202003255VA/en

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
    • H04N19/50—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
    • H04N19/521—Processing of motion vectors for estimating the reliability of the determined motion vectors or motion vector field, e.g. for smoothing the motion vector field or for correcting motion vectors
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/20—Analysis of motion
    • G06T7/207—Analysis of motion for motion estimation over a hierarchy of resolutions
    • 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
    • H04N19/10—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
    • H04N19/117—Filters, e.g. for pre-processing or post-processing
    • 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
    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • 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
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • H04N19/43—Hardware specially adapted for motion estimation or compensation
    • H04N19/433—Hardware specially adapted for motion estimation or compensation characterised by techniques for memory access
    • 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
    • H04N19/533—Motion estimation using multistep search, e.g. 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
    • H04N19/50—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
    • H04N19/57—Motion estimation characterised by a search window with variable size or shape
    • 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
    • H04N19/573—Motion compensation with multiple frame prediction using two or more reference frames in a given prediction direction

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Computing Systems (AREA)
  • Image Analysis (AREA)
SG11202003255VA 2017-10-09 2018-05-30 Limited memory access window for motion vector refinement SG11202003255VA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
PCT/EP2017/075710 WO2019072368A1 (en) 2017-10-09 2017-10-09 LIMITED MEMORY ACCESS WINDOW FOR MOTION VECTOR REFINEMENT
PCT/EP2018/064247 WO2019072425A1 (en) 2017-10-09 2018-05-30 MEMORY ACCESS WINDOW FOR MOTION VECTOR REFINEMENT

Publications (1)

Publication Number Publication Date
SG11202003255VA true SG11202003255VA (en) 2020-05-28

Family

ID=60080793

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11202003255VA SG11202003255VA (en) 2017-10-09 2018-05-30 Limited memory access window for motion vector refinement

Country Status (11)

Country Link
US (4) US11405632B2 (ja)
EP (1) EP3688991A1 (ja)
JP (3) JP6980911B2 (ja)
KR (4) KR102416348B1 (ja)
CN (6) CN115174934A (ja)
BR (1) BR112020006969A2 (ja)
CA (1) CA3078816C (ja)
MX (1) MX2020003725A (ja)
RU (1) RU2761511C2 (ja)
SG (1) SG11202003255VA (ja)
WO (2) WO2019072368A1 (ja)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180199057A1 (en) * 2017-01-12 2018-07-12 Mediatek Inc. Method and Apparatus of Candidate Skipping for Predictor Refinement in Video Coding
US10785494B2 (en) 2017-10-11 2020-09-22 Qualcomm Incorporated Low-complexity design for FRUC
US10863190B2 (en) * 2018-06-14 2020-12-08 Tencent America LLC Techniques for memory bandwidth optimization in bi-predicted motion vector refinement
CN110113608B (zh) * 2019-04-30 2022-12-16 上海电力学院 一种基于率失真优化的gpu中视频编码快速搜索方法
CN117319645A (zh) * 2019-08-23 2023-12-29 北京字节跳动网络技术有限公司 用于处理视频数据的方法、装置以及计算机可读存储介质
KR20220080107A (ko) 2019-10-23 2022-06-14 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 참조 픽처 리샘플링을 위한 시그널링
JP7395727B2 (ja) 2019-10-23 2023-12-11 北京字節跳動網絡技術有限公司 ビデオ・データを処理する方法、装置及び記憶方法
WO2021163862A1 (zh) * 2020-02-18 2021-08-26 深圳市大疆创新科技有限公司 视频编码的方法与装置
EP4352960A1 (en) * 2021-05-17 2024-04-17 Beijing Dajia Internet Information Technology Co., Ltd. Geometric partition mode with motion vector refinement
US20230007238A1 (en) * 2021-06-30 2023-01-05 Qualcomm Incorporated Using unrefined motion vectors for performing decoder-side motion vector derivation
US20230093043A1 (en) * 2021-09-22 2023-03-23 Tencent America LLC Method and apparatus for adaptive reordering for reference frames

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4322343C2 (de) * 1992-07-06 1996-10-02 Mitsubishi Electric Corp Mittel zum Erfassen eines Bewegungsvektors und Verfahren zum Bestimmen eines Bewegungsvektors
US20110176611A1 (en) * 2010-01-15 2011-07-21 Yu-Wen Huang Methods for decoder-side motion vector derivation
CN102263947B (zh) * 2010-05-27 2016-07-06 香港科技大学 图像运动估计的方法及系统
KR101422422B1 (ko) * 2010-12-21 2014-07-23 인텔 코오퍼레이션 Ｄｍｖｄ 처리 향상을 위한 시스템 및 방법
WO2012125178A1 (en) * 2011-03-15 2012-09-20 Intel Corporation Low memory access motion vector derivation
RU2559839C1 (ru) * 2011-06-24 2015-08-10 Нтт Докомо, Инк. Способ и устройство для компенсации движения с предсказанием
US11330284B2 (en) * 2015-03-27 2022-05-10 Qualcomm Incorporated Deriving motion information for sub-blocks in video coding
MX2018002477A (es) * 2015-09-02 2018-06-15 Mediatek Inc Metodo y aparato de derivacion de movimiento de lado de decodificador para codificacion de video.
CN105939475A (zh) * 2016-06-06 2016-09-14 中国矿业大学 一种高质量边信息生成方法
CN117528107A (zh) * 2016-11-28 2024-02-06 英迪股份有限公司 图像编码方法、图像解码方法及用于传送比特流的方法

Also Published As

Publication number Publication date
JP2020537424A (ja) 2020-12-17
JP2022027770A (ja) 2022-02-14
US20230239489A1 (en) 2023-07-27
CN115174932B (zh) 2024-01-02
BR112020006969A2 (pt) 2020-10-06
JP7279140B2 (ja) 2023-05-22
RU2020115378A (ru) 2021-11-15
WO2019072368A1 (en) 2019-04-18
RU2761511C2 (ru) 2021-12-09
CN115243051B (zh) 2023-12-15
EP3688991A1 (en) 2020-08-05
US20200236387A1 (en) 2020-07-23
US11582477B2 (en) 2023-02-14
KR20230065353A (ko) 2023-05-11
JP2023104952A (ja) 2023-07-28
CN110651477A (zh) 2020-01-03
CN115243051A (zh) 2022-10-25
CN115174934A (zh) 2022-10-11
MX2020003725A (es) 2020-10-07
RU2020115378A3 (ja) 2021-11-15
CN115243050B (zh) 2023-12-15
CN110651477B (zh) 2022-06-10
CA3078816C (en) 2023-09-19
CN115174933A (zh) 2022-10-11
CN115243050A (zh) 2022-10-25
WO2019072425A1 (en) 2019-04-18
KR102527169B1 (ko) 2023-05-02
KR102416348B1 (ko) 2022-07-05
KR20240033137A (ko) 2024-03-12
US20220400282A1 (en) 2022-12-15
CN115174932A (zh) 2022-10-11
US11805270B2 (en) 2023-10-31
US11405632B2 (en) 2022-08-02
US20240098294A1 (en) 2024-03-21
KR20220098284A (ko) 2022-07-11
KR20200058560A (ko) 2020-05-27
CN115174933B (zh) 2023-12-15
KR102642784B1 (ko) 2024-03-05
CA3078816A1 (en) 2019-04-18
JP6980911B2 (ja) 2021-12-15

Similar Documents

Publication Publication Date Title
SG11202003255VA (en) Limited memory access window for motion vector refinement
EP3639519C0 (en) MOTION VECTOR PREDICTION
IL271762A (en) Motion vector refinement for multi-attribution prediction
GB2564994B (en) Cache memory access
SG11202100487TA (en) Affine motion prediction
IL267421B (en) memory allocation
IL271770A (en) Search area for motion vector refinement
SG11202012700UA (en) Memory access window and padding for motion vector refinement and motion compensation
GB201621923D0 (en) Last frame motion vector partitioning
GB201710126D0 (en) Vectors & Methods
EP3534265A4 (en) MEMORY ACCESS TECHNIQUE
GB201715052D0 (en) Vectors
GB201603590D0 (en) Memory unit
GB2565499B (en) Memory unit
EP3394347C0 (en) ACCESS HATCH
GB201808722D0 (en) Access control
GB201717524D0 (en) Vectors
IL258594B (en) Memory access instructions
GB201700334D0 (en) Vehicle access
GB201609703D0 (en) Memory unit
GB201807589D0 (en) Memory access
GB2568301B (en) Address space access control
GB2566923B (en) Motion tracking
GB201700331D0 (en) Vehicle access
IL274278A (en) vectors