KR20230157988A - 비디오 코딩을 위한 부호 예측을 위한 콘텍스트 모델링 - Google Patents

비디오 코딩을 위한 부호 예측을 위한 콘텍스트 모델링 Download PDF

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Publication number
KR20230157988A
KR20230157988A KR1020237032521A KR20237032521A KR20230157988A KR 20230157988 A KR20230157988 A KR 20230157988A KR 1020237032521 A KR1020237032521 A KR 1020237032521A KR 20237032521 A KR20237032521 A KR 20237032521A KR 20230157988 A KR20230157988 A KR 20230157988A
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KR
South Korea
Prior art keywords
transform coefficient
context
block
sign
syntax element
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Pending
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KR1020237032521A
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English (en)
Korean (ko)
Inventor
바딤 세레긴
루이스 조셉 케로프스키
마르타 카르체비츠
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퀄컴 인코포레이티드
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Priority claimed from US17/656,319 external-priority patent/US12418681B2/en
Application filed by 퀄컴 인코포레이티드 filed Critical 퀄컴 인코포레이티드
Publication of KR20230157988A publication Critical patent/KR20230157988A/ko
Pending legal-status Critical Current

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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
    • H04N19/10—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
    • H04N19/70—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
    • H04N19/10—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
    • H04N19/129—Scanning of coding units, e.g. zig-zag scan of transform coefficients or flexible macroblock ordering [FMO]
    • 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
    • H04N19/154—Measured or subjectively estimated visual quality after decoding, e.g. measurement of distortion
    • 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
    • H04N19/10—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
    • H04N19/18—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 a set of transform coefficients
    • 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
    • H04N19/184—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 bits, e.g. of the compressed video stream
    • 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
    • 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)
KR1020237032521A 2021-03-29 2022-03-25 비디오 코딩을 위한 부호 예측을 위한 콘텍스트 모델링 Pending KR20230157988A (ko)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US202163167507P 2021-03-29 2021-03-29
US63/167,507 2021-03-29
US17/656,319 US12418681B2 (en) 2021-03-29 2022-03-24 Context modeling for sign prediction for video coding
US17/656,319 2022-03-24
PCT/US2022/071346 WO2022213042A1 (en) 2021-03-29 2022-03-25 Context modeling for sign prediction for video coding

Publications (1)

Publication Number Publication Date
KR20230157988A true KR20230157988A (ko) 2023-11-17

Family

ID=81308405

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020237032521A Pending KR20230157988A (ko) 2021-03-29 2022-03-25 비디오 코딩을 위한 부호 예측을 위한 콘텍스트 모델링

Country Status (13)

Country Link
US (1) US20250365446A1 (https=)
EP (1) EP4315855A1 (https=)
JP (1) JP7767450B2 (https=)
KR (1) KR20230157988A (https=)
AU (1) AU2022246722A1 (https=)
BR (1) BR112023018889A2 (https=)
CA (1) CA3208104A1 (https=)
CL (1) CL2023002816A1 (https=)
CO (1) CO2023012260A2 (https=)
IL (1) IL304267A (https=)
MX (1) MX2023011286A (https=)
WO (1) WO2022213042A1 (https=)
ZA (1) ZA202307495B (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118511519A (zh) * 2022-01-07 2024-08-16 联发科技股份有限公司 变换编解码的信号

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10499059B2 (en) * 2011-03-08 2019-12-03 Velos Media, Llc Coding of transform coefficients for video coding
US20190208225A1 (en) * 2018-01-02 2019-07-04 Qualcomm Incorporated Sign prediction in video coding
MY208069A (en) * 2018-03-07 2025-04-11 Huawei Tech Co Ltd Method and apparatus for harmonizing multiple sign bit hiding and residual sign prediction
KR102419112B1 (ko) * 2018-03-07 2022-07-07 후아웨이 테크놀러지 컴퍼니 리미티드 변환 도메인에서 잔차 부호 예측 방법 및 장치
EP4385209A4 (en) * 2021-08-17 2025-07-02 Beijing Dajia Internet Information Tech Co Ltd SIGN PREDICTION FOR BLOCK-BASED VIDEO CODING

Also Published As

Publication number Publication date
WO2022213042A1 (en) 2022-10-06
JP2024512503A (ja) 2024-03-19
JP7767450B2 (ja) 2025-11-11
BR112023018889A2 (pt) 2023-10-10
CL2023002816A1 (es) 2024-01-26
EP4315855A1 (en) 2024-02-07
US20250365446A1 (en) 2025-11-27
IL304267A (en) 2023-09-01
CA3208104A1 (en) 2022-10-06
AU2022246722A9 (en) 2024-09-19
ZA202307495B (en) 2026-01-28
AU2022246722A1 (en) 2023-07-27
TW202241131A (zh) 2022-10-16
MX2023011286A (es) 2023-10-04
CO2023012260A2 (es) 2023-09-29

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