IL301896A - Multicycle side-decoder motion vector refinement - Google Patents

Multicycle side-decoder motion vector refinement

Info

Publication number
IL301896A
IL301896A IL301896A IL30189623A IL301896A IL 301896 A IL301896 A IL 301896A IL 301896 A IL301896 A IL 301896A IL 30189623 A IL30189623 A IL 30189623A IL 301896 A IL301896 A IL 301896A
Authority
IL
Israel
Prior art keywords
block
pass
sub
video data
motion vector
Prior art date
Application number
IL301896A
Other languages
English (en)
Hebrew (he)
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 US17/556,142 external-priority patent/US20220201315A1/en
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of IL301896A publication Critical patent/IL301896A/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
    • H04N19/533Motion estimation using multistep search, e.g. 2D-log search or one-at-a-time search [OTS]
    • 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
    • H04N19/169Methods 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
    • H04N19/44Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • 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
    • H04N19/56Motion estimation with initialisation of the vector search, e.g. estimating a good candidate to initiate a search
    • 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
    • H04N19/57Motion estimation characterised by a search window with variable size or shape
    • 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)
IL301896A 2020-12-22 2021-12-21 Multicycle side-decoder motion vector refinement IL301896A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US202063129221P 2020-12-22 2020-12-22
US17/556,142 US20220201315A1 (en) 2020-12-22 2021-12-20 Multi-pass decoder-side motion vector refinement
PCT/US2021/064537 WO2022140338A1 (en) 2020-12-22 2021-12-21 Multi-pass decoder-side motion vector refinement

Publications (1)

Publication Number Publication Date
IL301896A true IL301896A (en) 2023-06-01

Family

ID=79831635

Family Applications (1)

Application Number Title Priority Date Filing Date
IL301896A IL301896A (en) 2020-12-22 2021-12-21 Multicycle side-decoder motion vector refinement

Country Status (11)

Country Link
EP (1) EP4268468A1 (ja)
JP (1) JP2023554236A (ja)
KR (1) KR20230123946A (ja)
AU (1) AU2021409783A1 (ja)
CA (1) CA3198095A1 (ja)
CL (1) CL2023001849A1 (ja)
CO (1) CO2023007958A2 (ja)
IL (1) IL301896A (ja)
MX (1) MX2023007161A (ja)
TW (1) TW202232951A (ja)
WO (1) WO2022140338A1 (ja)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110140355B (zh) * 2016-12-27 2022-03-08 联发科技股份有限公司 用于视频编解码的双向模板运动向量微调的方法及装置
US11310526B2 (en) * 2018-01-26 2022-04-19 Mediatek Inc. Hardware friendly constrained motion vector refinement
US11985324B2 (en) * 2019-03-14 2024-05-14 Hfi Innovation Inc. Methods and apparatuses of video processing with motion refinement and sub-partition base padding

Also Published As

Publication number Publication date
AU2021409783A1 (en) 2023-05-18
CL2023001849A1 (es) 2024-01-05
MX2023007161A (es) 2023-06-29
KR20230123946A (ko) 2023-08-24
CO2023007958A2 (es) 2023-07-21
CA3198095A1 (en) 2022-06-30
EP4268468A1 (en) 2023-11-01
TW202232951A (zh) 2022-08-16
WO2022140338A1 (en) 2022-06-30
JP2023554236A (ja) 2023-12-27
AU2021409783A9 (en) 2024-02-08

Similar Documents

Publication Publication Date Title
EP4376406A1 (en) Combination of inter-prediction and intra-prediction in video coding
US11683517B2 (en) Block-adaptive search range and cost factors for decoder-side motion vector (MV) derivation techniques
WO2019199953A1 (en) Decoder-side motion vector derivation for video coding
EP4364421A1 (en) Using unrefined motion vectors for performing decoder-side motion vector derivation
EP4409877A1 (en) Decoder side motion derivation using spatial correlation
US20220248047A1 (en) Model-based motion vector difference derivation and template matching prediction for video coding
EP4285594A1 (en) Model-based motion vector difference derivation and template matching prediction for video coding
US20230247216A1 (en) Coding video data using out-of-boundary motion vectors
US20220201315A1 (en) Multi-pass decoder-side motion vector refinement
US20220201313A1 (en) Bi-directional optical flow in video coding
WO2022221140A1 (en) Template matching based affine prediction for video coding
KR20240026141A (ko) 비디오 코딩에서의 하이브리드 인터 양방향-예측
CN116636213A (zh) 视频译码中的模板匹配
IL301896A (en) Multicycle side-decoder motion vector refinement
WO2022140377A1 (en) Bi-directional optical flow in video coding
WO2023200631A1 (en) Bi-directional prediction boundary pixel padding with out-of-picture-boundary motion vectors
WO2023044253A1 (en) Adaptive bilateral matching for decoder side motion vector refinement for video coding
AU2022347311A1 (en) Adaptive bilateral matching for decoder side motion vector refinement for video coding
WO2024148066A1 (en) Template matching for flipped intra block copy
TW202232956A (zh) 視訊譯碼中的範本匹配
CN116803081A (zh) 用于视频编解码的基于模型的运动矢量差导出和模板匹配预测