SG11202009509VA - Bidirectional inter prediction method and apparatus - Google Patents

Bidirectional inter prediction method and apparatus

Info

Publication number
SG11202009509VA
SG11202009509VA SG11202009509VA SG11202009509VA SG11202009509VA SG 11202009509V A SG11202009509V A SG 11202009509VA SG 11202009509V A SG11202009509V A SG 11202009509VA SG 11202009509V A SG11202009509V A SG 11202009509VA SG 11202009509V A SG11202009509V A SG 11202009509VA
Authority
SG
Singapore
Prior art keywords
inter prediction
prediction method
bidirectional inter
bidirectional
prediction
Prior art date
Application number
SG11202009509VA
Inventor
Huanbang Chen
Haitao Yang
Jianle Chen
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 SG11202009509VA publication Critical patent/SG11202009509VA/en

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/513Processing of motion vectors
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/103Selection of coding mode or of prediction mode
    • H04N19/105Selection 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods 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
    • H04N19/136Incoming video signal characteristics or properties
    • H04N19/137Motion inside a coding unit, e.g. average field, frame or block difference
    • H04N19/139Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods 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
    • H04N19/157Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/17Methods 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
    • H04N19/176Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/42Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/513Processing of motion vectors
    • H04N19/517Processing of motion vectors by encoding
    • H04N19/52Processing of motion vectors by encoding by predictive encoding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/577Motion compensation with bidirectional frame interpolation, i.e. using B-pictures
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/70Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
SG11202009509VA 2018-03-29 2019-01-11 Bidirectional inter prediction method and apparatus SG11202009509VA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201810274457.XA CN110324637B (en) 2018-03-29 2018-03-29 Bidirectional inter-frame prediction method and device
PCT/CN2019/071471 WO2019184556A1 (en) 2018-03-29 2019-01-11 Bidirectional inter-frame prediction method and device

Publications (1)

Publication Number Publication Date
SG11202009509VA true SG11202009509VA (en) 2020-10-29

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
SG11202009509VA SG11202009509VA (en) 2018-03-29 2019-01-11 Bidirectional inter prediction method and apparatus

Country Status (14)

Country Link
US (3) US11350122B2 (en)
EP (1) EP3771211A4 (en)
JP (2) JP7143435B2 (en)
KR (2) KR102622150B1 (en)
CN (6) CN113315975B (en)
AU (1) AU2019240981B2 (en)
BR (1) BR112020018923A2 (en)
CA (1) CA3095220C (en)
MX (1) MX2020010174A (en)
PH (1) PH12020551544A1 (en)
RU (1) RU2762262C1 (en)
SG (1) SG11202009509VA (en)
WO (1) WO2019184556A1 (en)
ZA (1) ZA202006408B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113315975B (en) * 2018-03-29 2022-12-06 华为技术有限公司 Bidirectional interframe prediction method and device
CN113709488B (en) * 2020-06-30 2023-02-28 杭州海康威视数字技术股份有限公司 Encoding and decoding method, device and equipment
CN114071159B (en) * 2020-07-29 2023-06-30 Oppo广东移动通信有限公司 Inter prediction method, encoder, decoder, and computer-readable storage medium
CN116320428A (en) * 2021-12-20 2023-06-23 维沃移动通信有限公司 Inter-frame prediction method and terminal

Family Cites Families (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2353423T3 (en) * 2002-10-04 2011-03-02 Lg Electronics, Inc. DIRECT MODE MOTION VECTOR CALCULATION SYSTEM FOR IMAGES B.
CN1225127C (en) 2003-09-12 2005-10-26 中国科学院计算技术研究所 A coding/decoding end bothway prediction method for video coding
US8917769B2 (en) 2009-07-03 2014-12-23 Intel Corporation Methods and systems to estimate motion based on reconstructed reference frames at a video decoder
KR20110071047A (en) * 2009-12-20 2011-06-28 엘지전자 주식회사 A method and an apparatus for decoding a video signal
US9351017B2 (en) 2010-01-19 2016-05-24 Samsung Electronics Co., Ltd. Method and apparatus for encoding/decoding images using a motion vector of a previous block as a motion vector for the current block
JP5281597B2 (en) * 2010-02-04 2013-09-04 日本電信電話株式会社 Motion vector prediction method, motion vector prediction apparatus, and motion vector prediction program
US9503743B2 (en) * 2010-05-12 2016-11-22 Thomson Licensing Methods and apparatus for uni-prediction of self-derivation of motion estimation
CN105791860B (en) * 2010-05-26 2018-10-16 Lg电子株式会社 Method and apparatus for handling vision signal
US9398308B2 (en) 2010-07-28 2016-07-19 Qualcomm Incorporated Coding motion prediction direction in video coding
KR20220070072A (en) * 2011-02-09 2022-05-27 엘지전자 주식회사 Method for storing motion information and method for inducing temporal motion vector predictor using same
US9288501B2 (en) * 2011-03-08 2016-03-15 Qualcomm Incorporated Motion vector predictors (MVPs) for bi-predictive inter mode in video coding
KR20140034292A (en) 2011-07-01 2014-03-19 모토로라 모빌리티 엘엘씨 Motion vector prediction design simplification
JP5869688B2 (en) * 2011-10-28 2016-02-24 サムスン エレクトロニクス カンパニー リミテッド Inter prediction method and apparatus, motion compensation method and apparatus
JP2013106312A (en) * 2011-11-16 2013-05-30 Jvc Kenwood Corp Image encoder, image encoding method and image encoding program
CN103188490A (en) * 2011-12-29 2013-07-03 朱洪波 Combination compensation mode in video coding process
KR102070431B1 (en) 2012-01-19 2020-01-28 삼성전자주식회사 Method and apparatus for encoding video with restricting bi-directional prediction and block merging, method and apparatus for decoding video
RU2628319C2 (en) 2012-04-15 2017-08-15 Самсунг Электроникс Ко., Лтд. Method and device for determination of supporting images for external prediction
CA2878206C (en) 2012-07-02 2016-05-17 Samsung Electronics Co., Ltd. Method and apparatus for encoding video and method and apparatus for decoding video determining inter-prediction reference picture list depending on block size
JP6120707B2 (en) * 2013-07-08 2017-04-26 ルネサスエレクトロニクス株式会社 Video encoding apparatus and operation method thereof
CN104427345B (en) * 2013-09-11 2019-01-08 华为技术有限公司 Acquisition methods, acquisition device, Video Codec and its method of motion vector
CN111193929B (en) * 2013-12-16 2022-04-12 浙江大学 Method and device for coding and decoding forward double-hypothesis coding image block
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
US10182240B2 (en) 2014-11-18 2019-01-15 Mediatek Inc. Method of bi-prediction video coding based on motion vectors from uni-prediction and merge candidate
US10958927B2 (en) * 2015-03-27 2021-03-23 Qualcomm Incorporated Motion information derivation mode determination in video coding
EP3629581A1 (en) * 2015-10-13 2020-04-01 Samsung Electronics Co., Ltd. Method and device for encoding or decoding image
WO2017188509A1 (en) * 2016-04-28 2017-11-02 엘지전자(주) Inter prediction mode-based image processing method and apparatus therefor
CN116567260A (en) 2016-05-24 2023-08-08 韩国电子通信研究院 Image encoding/decoding method and recording medium therefor
US10462462B2 (en) * 2016-09-29 2019-10-29 Qualcomm Incorporated Motion vector difference coding technique for video coding
US20180192071A1 (en) * 2017-01-05 2018-07-05 Mediatek Inc. Decoder-side motion vector restoration for video coding
CN113315975B (en) * 2018-03-29 2022-12-06 华为技术有限公司 Bidirectional interframe prediction method and device

Also Published As

Publication number Publication date
US11924458B2 (en) 2024-03-05
KR102525178B1 (en) 2023-04-21
CN110324637A (en) 2019-10-11
US20220256184A1 (en) 2022-08-11
BR112020018923A2 (en) 2020-12-29
WO2019184556A1 (en) 2019-10-03
CN110324637B (en) 2023-11-17
JP2021519548A (en) 2021-08-10
CN117560505A (en) 2024-02-13
JP2022179516A (en) 2022-12-02
CN113315975B (en) 2022-12-06
RU2762262C1 (en) 2021-12-17
AU2019240981A1 (en) 2020-10-15
US11350122B2 (en) 2022-05-31
CA3095220A1 (en) 2019-10-03
PH12020551544A1 (en) 2021-06-07
CN117560506A (en) 2024-02-13
KR20200131317A (en) 2020-11-23
CN112040244A (en) 2020-12-04
AU2019240981B2 (en) 2023-02-02
KR102622150B1 (en) 2024-01-05
CN113315975A (en) 2021-08-27
US11838535B2 (en) 2023-12-05
CN112040244B (en) 2021-06-29
JP7143435B2 (en) 2022-09-28
EP3771211A1 (en) 2021-01-27
EP3771211A4 (en) 2021-05-05
ZA202006408B (en) 2022-09-28
KR20230054916A (en) 2023-04-25
US20210021853A1 (en) 2021-01-21
CA3095220C (en) 2023-12-12
US20220286703A1 (en) 2022-09-08
MX2020010174A (en) 2020-10-28
CN117528116A (en) 2024-02-06

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