ZA202307495B - Context modeling for sign prediction for video coding - Google Patents

Context modeling for sign prediction for video coding

Info

Publication number
ZA202307495B
ZA202307495B ZA2023/07495A ZA202307495A ZA202307495B ZA 202307495 B ZA202307495 B ZA 202307495B ZA 2023/07495 A ZA2023/07495 A ZA 2023/07495A ZA 202307495 A ZA202307495 A ZA 202307495A ZA 202307495 B ZA202307495 B ZA 202307495B
Authority
ZA
South Africa
Prior art keywords
sign prediction
video coding
context
context modeling
code
Prior art date
Application number
ZA2023/07495A
Other languages
English (en)
Inventor
Vadim Seregin
Louis Joseph Kerofsky
Marta Karczewicz
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 US17/656,319 external-priority patent/US12418681B2/en
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of ZA202307495B publication Critical patent/ZA202307495B/en

Links

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
    • H04N19/129—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
    • H04N19/102—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
    • H04N19/154—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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
ZA2023/07495A 2021-03-29 2023-07-27 Context modeling for sign prediction for video coding ZA202307495B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US202163167507P 2021-03-29 2021-03-29
US17/656,319 US12418681B2 (en) 2021-03-29 2022-03-24 Context modeling for sign prediction for video coding
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
ZA202307495B true ZA202307495B (en) 2026-01-28

Family

ID=81308405

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA2023/07495A ZA202307495B (en) 2021-03-29 2023-07-27 Context modeling for sign prediction for video coding

Country Status (13)

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

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
KR20230157988A (ko) 2023-11-17
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
AU2022246722A1 (en) 2023-07-27
TW202241131A (zh) 2022-10-16
MX2023011286A (es) 2023-10-04
CO2023012260A2 (es) 2023-09-29

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