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MX2020010174A - Metodo de inter-prediccion bidireccional y aparato. - Google Patents

Metodo de inter-prediccion bidireccional y aparato.

Info

Publication number
MX2020010174A
MX2020010174A MX2020010174A MX2020010174A MX2020010174A MX 2020010174 A MX2020010174 A MX 2020010174A MX 2020010174 A MX2020010174 A MX 2020010174A MX 2020010174 A MX2020010174 A MX 2020010174A MX 2020010174 A MX2020010174 A MX 2020010174A
Authority
MX
Mexico
Prior art keywords
motion information
frame prediction
prediction method
image block
current image
Prior art date
Application number
MX2020010174A
Other languages
English (en)
Inventor
Chen Jianle
Huanbang Chen
Haitao Yang
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 MX2020010174A publication Critical patent/MX2020010174A/es

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
    • H04N19/105—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
    • 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
    • H04N19/42—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
    • 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
    • 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
    • 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
    • H04N19/577—Motion compensation with bidirectional frame interpolation, i.e. using B-pictures
    • 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
    • H04N19/70—Methods 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)

Abstract

Modalidades de esta solicitud se refieren al campo de las tecnologías de codificación de imágenes de video, y divulgan un método de inter-predicción bidireccional y aparato, para mejorar la eficiencia de la codificación; el método incluye: obtener información de indicación, donde la información de indicación es utilizada para indicar que se determine segunda información de movimiento con base en primera información de movimiento, la primera información de movimiento es información de movimiento de un bloque de imagen actual en una primera dirección, y la segunda información de movimiento es información de movimiento del bloque de imagen actual en una segunda dirección; obtener la primera información de movimiento; determinar la segunda información de movimiento con base en la primera información de movimiento; y determinar muestras de predicción del bloque de imagen actual con base en la primera información de movimiento y la segunda información de movimiento.
MX2020010174A 2018-03-29 2019-01-11 Metodo de inter-prediccion bidireccional y aparato. MX2020010174A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201810274457.XA CN110324637B (zh) 2018-03-29 2018-03-29 一种双向帧间预测方法及装置
PCT/CN2019/071471 WO2019184556A1 (zh) 2018-03-29 2019-01-11 一种双向帧间预测方法及装置

Publications (1)

Publication Number Publication Date
MX2020010174A true MX2020010174A (es) 2020-10-28

Family

ID=68062196

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2020010174A MX2020010174A (es) 2018-03-29 2019-01-11 Metodo de inter-prediccion bidireccional y aparato.

Country Status (14)

Country Link
US (4) US11350122B2 (es)
EP (1) EP3771211B1 (es)
JP (3) JP7143435B2 (es)
KR (2) KR102622150B1 (es)
CN (6) CN117560505A (es)
AU (1) AU2019240981B2 (es)
BR (1) BR112020018923A2 (es)
CA (1) CA3095220C (es)
MX (1) MX2020010174A (es)
PH (1) PH12020551544A1 (es)
RU (1) RU2762262C1 (es)
SG (1) SG11202009509VA (es)
WO (1) WO2019184556A1 (es)
ZA (1) ZA202006408B (es)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117560505A (zh) * 2018-03-29 2024-02-13 华为技术有限公司 一种双向帧间预测方法及装置
CN113873249B (zh) * 2020-06-30 2023-02-28 杭州海康威视数字技术股份有限公司 一种编解码方法、装置及其设备
CN114071159B (zh) * 2020-07-29 2023-06-30 Oppo广东移动通信有限公司 帧间预测方法、编码器、解码器及计算机可读存储介质
CN116320428A (zh) * 2021-12-20 2023-06-23 维沃移动通信有限公司 帧间预测方法及终端

Family Cites Families (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2354253T3 (es) * 2002-10-04 2011-03-11 Lg Electronics Inc. Método para extraer vectores de movimiento de modo directo.
CN1225127C (zh) 2003-09-12 2005-10-26 中国科学院计算技术研究所 一种用于视频编码的编码端/解码端双向预测方法
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 (ko) * 2009-12-20 2011-06-28 엘지전자 주식회사 비디오 신호 디코딩 방법 및 장치
CN102835111B (zh) 2010-01-19 2015-08-12 三星电子株式会社 使用先前块的运动矢量作为当前块的运动矢量来对图像进行编码/解码的方法和设备
JP5281597B2 (ja) * 2010-02-04 2013-09-04 日本電信電話株式会社 動きベクトル予測方法，動きベクトル予測装置および動きベクトル予測プログラム
WO2011142815A1 (en) * 2010-05-12 2011-11-17 Thomson Licensing Methods and apparatus for uni-prediction of self-derivation of motion estimation
KR101873767B1 (ko) * 2010-05-26 2018-07-03 엘지전자 주식회사 비디오 신호의 처리 방법 및 장치
US9357229B2 (en) * 2010-07-28 2016-05-31 Qualcomm Incorporated Coding motion vectors in video coding
KR102285746B1 (ko) * 2011-02-09 2021-08-04 엘지전자 주식회사 움직임 정보 저장 방법 및 이를 이용한 시간적 움직임 벡터 예측자 유도 방법
US9288501B2 (en) * 2011-03-08 2016-03-15 Qualcomm Incorporated Motion vector predictors (MVPs) for bi-predictive inter mode in video coding
KR20140034292A (ko) 2011-07-01 2014-03-19 모토로라 모빌리티 엘엘씨 움직임 벡터 예측 설계 간소화
CN104081779B (zh) * 2011-10-28 2017-09-05 三星电子株式会社 用于帧间预测的方法及其装置和用于运动补偿的方法及其装置
JP2013106312A (ja) * 2011-11-16 2013-05-30 Jvc Kenwood Corp 画像符号化装置、画像符号化方法及び画像符号化プログラム
CN103188490A (zh) * 2011-12-29 2013-07-03 朱洪波 视频编码中的合并补偿模式
WO2013109124A1 (ko) 2012-01-19 2013-07-25 삼성전자 주식회사 쌍방향 예측 및 블록 병합을 제한하는 비디오 부호화 방법 및 장치, 비디오 복호화 방법 및 장치
MX340383B (es) 2012-04-15 2016-07-07 Samsung Electronics Co Ltd Metodo y aparato para determinar imagenes de referencia para inter-prediccion.
TW201701670A (zh) 2012-07-02 2017-01-01 三星電子股份有限公司 視訊解碼裝置
JP6120707B2 (ja) * 2013-07-08 2017-04-26 ルネサスエレクトロニクス株式会社 動画像符号化装置およびその動作方法
CN104427345B (zh) * 2013-09-11 2019-01-08 华为技术有限公司 运动矢量的获取方法、获取装置、视频编解码器及其方法
CN111193930B (zh) * 2013-12-16 2021-11-30 浙江大学 一种前向双假设编码图像块的编解码方法和装置
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
KR101908249B1 (ko) 2014-11-18 2018-10-15 미디어텍 인크. 단방향 예측 및 병합 후보로부터의 모션 벡터에 기초한 양방향 예측 비디오 코딩 방법
US11330284B2 (en) 2015-03-27 2022-05-10 Qualcomm Incorporated Deriving motion information for sub-blocks in video coding
CN112929660B (zh) * 2015-10-13 2023-12-26 三星电子株式会社 用于对图像进行编码或解码的方法和设备
US20200351505A1 (en) * 2016-04-28 2020-11-05 Lg Electronics Inc. Inter prediction mode-based image processing method and apparatus therefor
CN116567260A (zh) 2016-05-24 2023-08-08 韩国电子通信研究院 图像编码/解码方法和用于所述方法的记录介质
US10462462B2 (en) * 2016-09-29 2019-10-29 Qualcomm Incorporated Motion vector difference coding technique for video coding
US12063387B2 (en) * 2017-01-05 2024-08-13 Hfi Innovation Inc. Decoder-side motion vector restoration for video coding
US10595035B2 (en) * 2017-03-22 2020-03-17 Qualcomm Incorporated Constraining motion vector information derived by decoder-side motion vector derivation
CN117560505A (zh) * 2018-03-29 2024-02-13 华为技术有限公司 一种双向帧间预测方法及装置
CN110809165B (zh) * 2018-08-04 2022-07-26 北京字节跳动网络技术有限公司 仿射的运动矢量差精度
KR102662874B1 (ko) * 2019-04-28 2024-05-07 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 대칭 모션 벡터 차이 코딩

Also Published As

Publication number Publication date
US20220286703A1 (en) 2022-09-08
US20210021853A1 (en) 2021-01-21
US11350122B2 (en) 2022-05-31
SG11202009509VA (en) 2020-10-29
CN112040244A (zh) 2020-12-04
US20220256184A1 (en) 2022-08-11
RU2762262C1 (ru) 2021-12-17
WO2019184556A1 (zh) 2019-10-03
US20240171765A1 (en) 2024-05-23
ZA202006408B (en) 2022-09-28
BR112020018923A2 (pt) 2020-12-29
CN117560506A (zh) 2024-02-13
EP3771211B1 (en) 2024-10-23
CN110324637A (zh) 2019-10-11
KR20200131317A (ko) 2020-11-23
EP3771211A1 (en) 2021-01-27
CN117528116A (zh) 2024-02-06
CN110324637B (zh) 2023-11-17
PH12020551544A1 (en) 2021-06-07
AU2019240981A1 (en) 2020-10-15
AU2019240981B2 (en) 2023-02-02
US11924458B2 (en) 2024-03-05
JP2024149497A (ja) 2024-10-18
JP7143435B2 (ja) 2022-09-28
KR102622150B1 (ko) 2024-01-05
CN113315975B (zh) 2022-12-06
CA3095220A1 (en) 2019-10-03
CN112040244B (zh) 2021-06-29
CN117560505A (zh) 2024-02-13
KR102525178B1 (ko) 2023-04-21
JP2022179516A (ja) 2022-12-02
KR20230054916A (ko) 2023-04-25
US11838535B2 (en) 2023-12-05
EP3771211A4 (en) 2021-05-05
JP2021519548A (ja) 2021-08-10
CN113315975A (zh) 2021-08-27
JP7520931B2 (ja) 2024-07-23
CA3095220C (en) 2023-12-12

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