KR20230162614A - 비디오 코딩을 위한 다중 가설 예측을 위한 모션 정보의 적응형 코딩 - Google Patents

비디오 코딩을 위한 다중 가설 예측을 위한 모션 정보의 적응형 코딩 Download PDF

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Publication number
KR20230162614A
KR20230162614A KR1020237032564A KR20237032564A KR20230162614A KR 20230162614 A KR20230162614 A KR 20230162614A KR 1020237032564 A KR1020237032564 A KR 1020237032564A KR 20237032564 A KR20237032564 A KR 20237032564A KR 20230162614 A KR20230162614 A KR 20230162614A
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South Korea
Prior art keywords
prediction
prediction block
block
motion information
coding
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Pending
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KR1020237032564A
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English (en)
Korean (ko)
Inventor
한 황
바딤 세레긴
마르타 카르체비츠
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퀄컴 인코포레이티드
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Priority claimed from US17/655,919 external-priority patent/US12309355B2/en
Application filed by 퀄컴 인코포레이티드 filed Critical 퀄컴 인코포레이티드
Publication of KR20230162614A publication Critical patent/KR20230162614A/ko
Pending legal-status Critical Current

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    • 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
    • H04N19/10—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
    • H04N19/102—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
    • H04N19/119—Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
    • 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
    • H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
    • 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
    • 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
    • H04N19/50—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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/587—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal sub-sampling or interpolation, e.g. decimation or subsequent interpolation of pictures in a video sequence
    • 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
    • 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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
KR1020237032564A 2021-03-29 2022-03-23 비디오 코딩을 위한 다중 가설 예측을 위한 모션 정보의 적응형 코딩 Pending KR20230162614A (ko)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US202163167480P 2021-03-29 2021-03-29
US63/167,480 2021-03-29
US17/655,919 US12309355B2 (en) 2021-03-29 2022-03-22 Adaptively coding motion information for multiple hypothesis prediction for video coding
US17/655,919 2022-03-22
PCT/US2022/071289 WO2022213026A1 (en) 2021-03-29 2022-03-23 Adaptively coding motion information for multiple hypothesis prediction for video coding

Publications (1)

Publication Number Publication Date
KR20230162614A true KR20230162614A (ko) 2023-11-28

Family

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Application Number Title Priority Date Filing Date
KR1020237032564A Pending KR20230162614A (ko) 2021-03-29 2022-03-23 비디오 코딩을 위한 다중 가설 예측을 위한 모션 정보의 적응형 코딩

Country Status (11)

Country Link
EP (1) EP4315850A1 (https=)
JP (1) JP2024512539A (https=)
KR (1) KR20230162614A (https=)
AU (1) AU2022246716A1 (https=)
BR (1) BR112023018885A2 (https=)
CA (1) CA3208108A1 (https=)
CL (1) CL2023002817A1 (https=)
MX (1) MX2023011284A (https=)
SA (1) SA523450273B1 (https=)
TW (1) TW202243478A (https=)
WO (1) WO2022213026A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN121605639A (zh) * 2023-08-01 2026-03-03 联发科技股份有限公司 使用多假设交叉分量预测进行色度编解码的视频编解码方法和设备

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10652571B2 (en) * 2018-01-25 2020-05-12 Qualcomm Incorporated Advanced motion vector prediction speedups for video coding
US10904549B2 (en) * 2018-12-13 2021-01-26 Tencent America LLC Method and apparatus for signaling of multi-hypothesis for skip and merge mode and signaling of distance offset table in merge with motion vector difference
US11140406B2 (en) * 2019-02-20 2021-10-05 Qualcomm Incorporated Signalling for merge mode with motion vector differences in video coding
US11076169B2 (en) * 2019-05-14 2021-07-27 Qualcomm Incorporated Switchable interpolation filtering (SIF) for video coding
US11611759B2 (en) * 2019-05-24 2023-03-21 Qualcomm Incorporated Merge mode coding for video coding

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Publication number Publication date
CA3208108A1 (en) 2022-10-06
TW202243478A (zh) 2022-11-01
CL2023002817A1 (es) 2024-01-26
EP4315850A1 (en) 2024-02-07
SA523450273B1 (ar) 2025-04-13
AU2022246716A9 (en) 2024-05-09
MX2023011284A (es) 2023-10-04
JP2024512539A (ja) 2024-03-19
AU2022246716A1 (en) 2023-07-27
BR112023018885A2 (pt) 2023-10-03
WO2022213026A1 (en) 2022-10-06

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