MX2022010727A - Metodo de prediccion intercuadros, codificador, decodificador y medio de almacenamiento por computadora. - Google Patents

Metodo de prediccion intercuadros, codificador, decodificador y medio de almacenamiento por computadora.

Info

Publication number
MX2022010727A
MX2022010727A MX2022010727A MX2022010727A MX2022010727A MX 2022010727 A MX2022010727 A MX 2022010727A MX 2022010727 A MX2022010727 A MX 2022010727A MX 2022010727 A MX2022010727 A MX 2022010727A MX 2022010727 A MX2022010727 A MX 2022010727A
Authority
MX
Mexico
Prior art keywords
current block
inter
frame prediction
decoder
candidate position
Prior art date
Application number
MX2022010727A
Other languages
English (en)
Inventor
Ning Yang
Original Assignee
Guangdong Oppo Mobile Telecommunications Corp 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 Guangdong Oppo Mobile Telecommunications Corp Ltd filed Critical Guangdong Oppo Mobile Telecommunications Corp Ltd
Publication of MX2022010727A publication Critical patent/MX2022010727A/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
    • H04N19/50—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
    • H04N19/10—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
    • H04N19/109—Selection of coding mode or of prediction mode among a plurality of temporal predictive coding modes
    • 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
    • H04N19/44—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
    • H04N19/50—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)

Abstract

Se describe un método de predicción intercuadros, un codificador, un decodificador y un medio de almacenamiento informático; el método se aplica a un decodificador; el método comprende: analizar un flujo de código y obtener un parámetro de modo de predicción del bloque actual; cuando el parámetro del modo de predicción indica el uso de un modo de predicción intercuadros preestablecido para determinar un valor de predicción intercuadros del bloque actual, determinar al menos una posición candidata inicial del bloque actual; cuando la al menos una posición candidata inicial excede el límite de la unidad de codificación más grande (LCU) del bloque actual, ajustar la al menos una posición candidata inicial para obtener al menos una posición candidata objetivo del bloque actual; sobre la base de al menos una posición candidata objetivo, determinar al menos una información de movimiento en el dominio del tiempo del bloque actual; sobre la base de al menos una información de movimiento en el dominio del tiempo, construir una nueva lista de candidatos de información de movimiento; y de acuerdo con la nueva lista de candidatos de información de movimiento, determinar el valor de predicción intercuadros del bloque actual.
MX2022010727A 2020-06-24 2021-04-23 Metodo de prediccion intercuadros, codificador, decodificador y medio de almacenamiento por computadora. MX2022010727A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202010591597.7A CN113840148A (zh) 2020-06-24 2020-06-24 帧间预测方法、编码器、解码器以及计算机存储介质
PCT/CN2021/089252 WO2021258841A1 (zh) 2020-06-24 2021-04-23 帧间预测方法、编码器、解码器以及计算机存储介质

Publications (1)

Publication Number Publication Date
MX2022010727A true MX2022010727A (es) 2022-09-23

Family

ID=78964752

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2022010727A MX2022010727A (es) 2020-06-24 2021-04-23 Metodo de prediccion intercuadros, codificador, decodificador y medio de almacenamiento por computadora.

Country Status (4)

Country Link
CN (3) CN113840148A (es)
MX (1) MX2022010727A (es)
TW (1) TW202201958A (es)
WO (1) WO2021258841A1 (es)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023123478A1 (zh) * 2021-12-31 2023-07-06 Oppo广东移动通信有限公司 预测方法、装置、设备、系统、及存储介质
WO2024027700A1 (en) * 2022-08-05 2024-02-08 Mediatek Inc. Joint indexing of geometric partitioning mode in video coding

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103765891B (zh) * 2011-08-29 2017-07-28 苗太平洋控股有限公司 用于解码合并模式下的运动信息的装置
AU2012305071B2 (en) * 2011-09-09 2014-12-11 Kt Corporation Method for deriving a temporal predictive motion vector, and apparatus using the method
KR20130050405A (ko) * 2011-11-07 2013-05-16 오수미 인터 모드에서의 시간 후보자 결정방법
KR20130050407A (ko) * 2011-11-07 2013-05-16 오수미 인터 모드에서의 움직임 정보 생성 방법
US10785494B2 (en) * 2017-10-11 2020-09-22 Qualcomm Incorporated Low-complexity design for FRUC
US11184633B2 (en) * 2018-11-27 2021-11-23 Qualcomm Incorporated Simplification of history-based motion vector prediction

Also Published As

Publication number Publication date
CN116471418A (zh) 2023-07-21
WO2021258841A1 (zh) 2021-12-30
CN114930838A (zh) 2022-08-19
CN113840148A (zh) 2021-12-24
TW202201958A (zh) 2022-01-01

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