MX2023007245A - Prediccion de hipotesis multiples para la codificacion de video. - Google Patents

Prediccion de hipotesis multiples para la codificacion de video.

Info

Publication number
MX2023007245A
MX2023007245A MX2023007245A MX2023007245A MX2023007245A MX 2023007245 A MX2023007245 A MX 2023007245A MX 2023007245 A MX2023007245 A MX 2023007245A MX 2023007245 A MX2023007245 A MX 2023007245A MX 2023007245 A MX2023007245 A MX 2023007245A
Authority
MX
Mexico
Prior art keywords
mode
prediction
block
mhp
prediction block
Prior art date
Application number
MX2023007245A
Other languages
English (en)
Spanish (es)
Inventor
Marta Karczewicz
Han Huang
Vadim Seregin
Kevin Reuze
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
Priority claimed from US17/644,519 external-priority patent/US12445634B2/en
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of MX2023007245A publication Critical patent/MX2023007245A/es

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
    • H04N19/577Motion 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
    • H04N19/50Methods 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
    • H04N19/573Motion compensation with multiple frame prediction using two or more reference frames in a given prediction direction
    • 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
    • H04N19/102Methods 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
    • H04N19/124Quantisation
    • 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
    • H04N19/30Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • H04N19/34Scalability techniques involving progressive bit-plane based encoding of the enhancement layer, e.g. fine granular scalability [FGS]
    • 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
    • H04N19/523Motion estimation or motion compensation with sub-pixel accuracy

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Color Television Systems (AREA)
MX2023007245A 2020-12-23 2021-12-16 Prediccion de hipotesis multiples para la codificacion de video. MX2023007245A (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US202063130232P 2020-12-23 2020-12-23
US17/644,519 US12445634B2 (en) 2020-12-23 2021-12-15 Multiple hypothesis prediction for video coding
PCT/US2021/063856 WO2022140160A1 (en) 2020-12-23 2021-12-16 Multiple hypothesis prediction for video coding

Publications (1)

Publication Number Publication Date
MX2023007245A true MX2023007245A (es) 2023-06-29

Family

ID=79230573

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2023007245A MX2023007245A (es) 2020-12-23 2021-12-16 Prediccion de hipotesis multiples para la codificacion de video.

Country Status (11)

Country Link
EP (1) EP4268451A1 (https=)
JP (1) JP7795538B2 (https=)
KR (1) KR20230123933A (https=)
AU (1) AU2021409231A1 (https=)
CA (1) CA3197884A1 (https=)
CL (1) CL2023001835A1 (https=)
CO (1) CO2023008054A2 (https=)
IL (1) IL301828B1 (https=)
MX (1) MX2023007245A (https=)
TW (1) TW202228441A (https=)
WO (1) WO2022140160A1 (https=)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11695965B1 (en) 2022-10-13 2023-07-04 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Video coding using a coded picture buffer
CN121844561A (zh) * 2023-09-15 2026-04-10 Lg电子株式会社 解码方法、编码方法和用于发送图像信息的方法
WO2025058479A1 (ko) * 2023-09-15 2025-03-20 엘지전자 주식회사 인코딩 방법, 디코딩 방법, 컴퓨터 판독 가능한 기록 매체 및 전송 방법
WO2025147176A1 (ko) * 2024-01-05 2025-07-10 주식회사 케이티 영상 부호화/복호화 방법 및 비트스트림을 저장하는 기록 매체

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11363253B2 (en) * 2016-05-13 2022-06-14 Vid Scale, Inc. Systems and methods for generalized multi-hypothesis prediction for video coding
WO2019234578A1 (en) * 2018-06-05 2019-12-12 Beijing Bytedance Network Technology Co., Ltd. Asymmetric weighted bi-predictive merges
CN112868238B (zh) * 2018-10-23 2023-04-21 北京字节跳动网络技术有限公司 局部照明补偿和帧间预测编解码之间的并置
WO2020103852A1 (en) * 2018-11-20 2020-05-28 Beijing Bytedance Network Technology Co., Ltd. Difference calculation based on patial position
WO2020123442A1 (en) * 2018-12-11 2020-06-18 Interdigital Vc Holdings, Inc. Method and apparatus for deblocking an image
WO2020132168A1 (en) * 2018-12-21 2020-06-25 Interdigital Vc Holdings, Inc. Syntax for motion information signaling in video coding
CN118202656A (zh) * 2021-11-30 2024-06-14 北京达佳互联信息技术有限公司 视频编解码中考虑边界外条件的运动补偿

Also Published As

Publication number Publication date
IL301828B1 (en) 2026-03-01
KR20230123933A (ko) 2023-08-24
AU2021409231A9 (en) 2024-08-01
JP7795538B2 (ja) 2026-01-07
CL2023001835A1 (es) 2024-01-05
JP2024501154A (ja) 2024-01-11
IL301828A (en) 2023-06-01
CO2023008054A2 (es) 2023-07-10
WO2022140160A1 (en) 2022-06-30
AU2021409231A1 (en) 2023-05-18
CA3197884A1 (en) 2022-06-30
TW202228441A (zh) 2022-07-16
EP4268451A1 (en) 2023-11-01

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