AU2021409231A1 - Multiple hypothesis prediction for video coding - Google Patents

Multiple hypothesis prediction for video coding Download PDF

Info

Publication number
AU2021409231A1
AU2021409231A1 AU2021409231A AU2021409231A AU2021409231A1 AU 2021409231 A1 AU2021409231 A1 AU 2021409231A1 AU 2021409231 A AU2021409231 A AU 2021409231A AU 2021409231 A AU2021409231 A AU 2021409231A AU 2021409231 A1 AU2021409231 A1 AU 2021409231A1
Authority
AU
Australia
Prior art keywords
prediction
weight
prediction block
mode
block
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
AU2021409231A
Other languages
English (en)
Other versions
AU2021409231A9 (en
Inventor
Han HUANG
Marta Karczewicz
Kevin REUZE
Vadim Seregin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qualcomm Inc
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 AU2021409231A1 publication Critical patent/AU2021409231A1/en
Publication of AU2021409231A9 publication Critical patent/AU2021409231A9/en
Pending legal-status Critical Current

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
    • H04N19/573Motion 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
    • 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

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)
AU2021409231A 2020-12-23 2021-12-16 Multiple hypothesis prediction for video coding Pending AU2021409231A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US202063130232P 2020-12-23 2020-12-23
US63/130,232 2020-12-23
US17/644,519 US12445634B2 (en) 2020-12-23 2021-12-15 Multiple hypothesis prediction for video coding
US17/644,519 2021-12-15
PCT/US2021/063856 WO2022140160A1 (en) 2020-12-23 2021-12-16 Multiple hypothesis prediction for video coding

Publications (2)

Publication Number Publication Date
AU2021409231A1 true AU2021409231A1 (en) 2023-05-18
AU2021409231A9 AU2021409231A9 (en) 2024-08-01

Family

ID=79230573

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2021409231A Pending AU2021409231A1 (en) 2020-12-23 2021-12-16 Multiple hypothesis prediction for video coding

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
MX2023007245A (es) 2023-06-29
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
CA3197884A1 (en) 2022-06-30
TW202228441A (zh) 2022-07-16
EP4268451A1 (en) 2023-11-01

Similar Documents

Publication Publication Date Title
EP3844952A1 (en) Affine motion prediction
WO2019199953A1 (en) Decoder-side motion vector derivation for video coding
WO2020264325A1 (en) Combined inter and intra prediction mode for video coding
US12445634B2 (en) Multiple hypothesis prediction for video coding
EP3922026A1 (en) Constrained affine motion inheritance for video coding
WO2020118247A1 (en) Derivation of spatial-temporal motion vectors prediction in video coding
EP3741116A1 (en) Quantization group for video coding
AU2021409231A1 (en) Multiple hypothesis prediction for video coding
WO2020086988A1 (en) Intra block copy prediction restrictions in video coding
EP4035380A1 (en) Harmonized early termination in bdof and dmvr in video coding
WO2020072928A1 (en) Intra block copy prediction restrictions in video coding
EP4555732A1 (en) Decoder side motion vector refinement for affine motion model
US20210092404A1 (en) Reference picture constraint for decoder side motion refinement and bi-directional optical flow
WO2021207232A1 (en) Signaling number of subblock merge candidates in video coding
WO2021102315A1 (en) Early termination of motion vector refinement process in video coding
WO2020068674A1 (en) Restrictions for the worst-case bandwidth reduction in video coding
EP4602812A1 (en) Coding video data using adaptive affine block prediction
WO2022213026A1 (en) Adaptively coding motion information for multiple hypothesis prediction for video coding
EP4508858A1 (en) Methods for adaptive signaling of maximum number of merge candidates in multiple hypothesis prediction
WO2024081546A1 (en) Coding video data using adaptive affine block prediction
WO2024015514A1 (en) Decoder side motion vector refinement for affine motion model
WO2022212254A2 (en) Template matching-based advanced motion vector predictor (amvp) candidate list construction with non-adjacent candidates and amvp index signaling
WO2022140377A1 (en) Bi-directional optical flow in video coding
CN116601952A (zh) 视频译码的多假设预测

Legal Events

Date Code Title Description
SREP Specification republished