SG11202007843YA - Improvements to advanced temporal motion vector prediction - Google Patents

Improvements to advanced temporal motion vector prediction

Info

Publication number
SG11202007843YA
SG11202007843YA SG11202007843YA SG11202007843YA SG11202007843YA SG 11202007843Y A SG11202007843Y A SG 11202007843YA SG 11202007843Y A SG11202007843Y A SG 11202007843YA SG 11202007843Y A SG11202007843Y A SG 11202007843YA SG 11202007843Y A SG11202007843Y A SG 11202007843YA
Authority
SG
Singapore
Prior art keywords
motion vector
vector prediction
temporal motion
advanced temporal
advanced
Prior art date
Application number
SG11202007843YA
Other languages
English (en)
Inventor
Yu Han
Kai Zhang
Li Zhang
Wei-Jung Chien
Marta Karczewicz
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 SG11202007843YA publication Critical patent/SG11202007843YA/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
    • H04N19/56—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
    • H04N19/44—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
    • H04N19/10—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
    • 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
    • H04N19/50—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
    • H04N19/513—Processing of motion vectors
    • H04N19/517—Processing of motion vectors by encoding
    • H04N19/52—Processing of motion vectors by encoding by predictive encoding

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
SG11202007843YA 2018-03-19 2018-03-19 Improvements to advanced temporal motion vector prediction SG11202007843YA (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2018/079458 WO2019178721A1 (en) 2018-03-19 2018-03-19 Improvements to advanced temporal motion vector prediction

Publications (1)

Publication Number Publication Date
SG11202007843YA true SG11202007843YA (en) 2020-10-29

Family

ID=67988279

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11202007843YA SG11202007843YA (en) 2018-03-19 2018-03-19 Improvements to advanced temporal motion vector prediction

Country Status (8)

Country Link
US (1) US20210099724A1 (pt)
EP (1) EP3769528A4 (pt)
KR (1) KR102579526B1 (pt)
CN (1) CN111869214A (pt)
BR (1) BR112020018716A2 (pt)
SG (1) SG11202007843YA (pt)
TW (1) TW201941612A (pt)
WO (1) WO2019178721A1 (pt)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113196771B (zh) 2018-12-21 2023-12-22 北京字节跳动网络技术有限公司 基于运动矢量精度的运动矢量范围
WO2024027802A1 (en) * 2022-08-05 2024-02-08 Beijing Bytedance Network Technology Co., Ltd. Method, apparatus, and medium for video processing

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4114859B2 (ja) * 2002-01-09 2008-07-09 松下電器産業株式会社 動きベクトル符号化方法および動きベクトル復号化方法
JP2012191298A (ja) * 2011-03-09 2012-10-04 Fujitsu Ltd 動画像復号装置、動画像符号化装置、動画像復号方法、動画像符号化方法、動画像復号プログラム及び動画像符号化プログラム
AU2015200360B2 (en) * 2011-09-09 2017-01-12 Kt Corporation Method for deriving a temporal predictive motion vector, and apparatus using the method
CN107347160B (zh) * 2011-11-18 2020-04-28 谷歌技术控股有限责任公司 针对高效率视频代码化用信号发送并置图片的显式方式
US9826244B2 (en) * 2013-01-08 2017-11-21 Qualcomm Incorporated Device and method for scalable coding of video information based on high efficiency video coding
WO2015139205A1 (en) * 2014-03-18 2015-09-24 Mediatek Singapore Pte. Ltd. An improved method for collocated picture in video coding
WO2015143603A1 (en) * 2014-03-24 2015-10-01 Mediatek Singapore Pte. Ltd. An improved method for temporal motion vector prediction in video coding
US10958927B2 (en) * 2015-03-27 2021-03-23 Qualcomm Incorporated Motion information derivation mode determination in video coding
WO2016165069A1 (en) * 2015-04-14 2016-10-20 Mediatek Singapore Pte. Ltd. Advanced temporal motion vector prediction in video coding
US10560718B2 (en) * 2016-05-13 2020-02-11 Qualcomm Incorporated Merge candidates for motion vector prediction for video coding
US10477238B2 (en) * 2016-09-07 2019-11-12 Qualcomm Incorporated Sub-PU based bi-directional motion compensation in video coding
US10523934B2 (en) * 2017-05-31 2019-12-31 Mediatek Inc. Split based motion vector operation reduction
EP4351139A3 (en) * 2017-06-09 2024-05-15 Electronics and Telecommunications Research Institute Video encoding/decoding method and device, and recording medium storing bit stream
US10602180B2 (en) * 2017-06-13 2020-03-24 Qualcomm Incorporated Motion vector prediction
US11184636B2 (en) * 2017-06-28 2021-11-23 Sharp Kabushiki Kaisha Video encoding device and video decoding device
GB2563943B (en) * 2017-06-30 2021-02-24 Canon Kk Method and apparatus for encoding or decoding video data in FRUC mode with reduced memory accesses
EP3791586A1 (en) * 2018-06-29 2021-03-17 Beijing Bytedance Network Technology Co. Ltd. Concept of using one or multiple look up tables to store motion information of previously coded in order and use them to code following blocks
US20200014931A1 (en) * 2018-07-06 2020-01-09 Mediatek Inc. Methods and Apparatuses of Generating an Average Candidate for Inter Picture Prediction in Video Coding Systems
US11057617B2 (en) * 2018-08-03 2021-07-06 Tencent America LLC Method and apparatus for video coding
WO2020084512A1 (en) * 2018-10-23 2020-04-30 Beijing Bytedance Network Technology Co., Ltd. Affine motion information derivation from neighboring block

Also Published As

Publication number Publication date
US20210099724A1 (en) 2021-04-01
BR112020018716A2 (pt) 2020-12-29
CN111869214A (zh) 2020-10-30
EP3769528A1 (en) 2021-01-27
KR102579526B1 (ko) 2023-09-15
KR20200128036A (ko) 2020-11-11
EP3769528A4 (en) 2021-11-10
WO2019178721A1 (en) 2019-09-26
TW201941612A (zh) 2019-10-16

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