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) US12081780B2 (zh)
EP (1) EP3769528A4 (zh)
KR (1) KR102579526B1 (zh)
CN (1) CN111869214A (zh)
BR (1) BR112020018716A2 (zh)
SG (1) SG11202007843YA (zh)
TW (1) TW201941612A (zh)
WO (1) WO2019178721A1 (zh)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3827589A4 (en) * 2018-08-29 2021-09-29 Beijing Dajia Internet Information Technology Co., Ltd. METHOD AND DEVICE FOR VIDEO ENCODING USING SUBBLOCK-BASED MOVEMENT VECTOR PREDICTION
CN113273205A (zh) 2018-12-21 2021-08-17 北京字节跳动网络技术有限公司 使用更高比特深度精度的运动矢量推导
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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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
EP2781098B1 (en) 2011-11-18 2019-02-06 Google Technology Holdings LLC An explicit way for signaling a collocated picture for high efficiency video coding (hevc)
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
US11330284B2 (en) * 2015-03-27 2022-05-10 Qualcomm Incorporated Deriving motion information for sub-blocks 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
CN116567213A (zh) 2016-08-11 2023-08-08 Lx 半导体科技有限公司 编码/解码设备以及发送图像数据的设备
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
KR102438181B1 (ko) * 2017-06-09 2022-08-30 한국전자통신연구원 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체
US10602180B2 (en) * 2017-06-13 2020-03-24 Qualcomm Incorporated Motion vector prediction
WO2019004283A1 (ja) * 2017-06-28 2019-01-03 シャープ株式会社 動画像符号化装置及び動画像復号装置
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
KR20210025537A (ko) * 2018-06-29 2021-03-09 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 하나 또는 다수의 룩업 테이블들을 사용하여 이전에 코딩된 모션 정보를 순서대로 저장하고 이를 사용하여 후속 블록들을 코딩하는 개념
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
US11539958B2 (en) 2018-07-17 2022-12-27 Lg Electronics Inc. Method for predicting subblock-based temporal motion vector and apparatus therefor
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
CN111093080B (zh) 2018-10-24 2024-06-04 北京字节跳动网络技术有限公司 视频编码中的子块运动候选
CN111107354A (zh) 2018-10-29 2020-05-05 华为技术有限公司 一种视频图像预测方法及装置
EP4325849A3 (en) 2018-11-22 2024-04-17 Beijing Bytedance Network Technology Co., Ltd. Coordination method for sub-block based inter prediction
CN116866605A (zh) 2019-01-03 2023-10-10 北京大学 视频处理方法和装置

Also Published As

Publication number Publication date
TW201941612A (zh) 2019-10-16
US12081780B2 (en) 2024-09-03
EP3769528A1 (en) 2021-01-27
EP3769528A4 (en) 2021-11-10
WO2019178721A1 (en) 2019-09-26
CN111869214A (zh) 2020-10-30
BR112020018716A2 (pt) 2020-12-29
KR102579526B1 (ko) 2023-09-15
KR20200128036A (ko) 2020-11-11
US20210099724A1 (en) 2021-04-01

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