CA3208104A1 - Context modeling for sign prediction for video coding - Google Patents

Context modeling for sign prediction for video coding Download PDF

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Publication number
CA3208104A1
CA3208104A1 CA3208104A CA3208104A CA3208104A1 CA 3208104 A1 CA3208104 A1 CA 3208104A1 CA 3208104 A CA3208104 A CA 3208104A CA 3208104 A CA3208104 A CA 3208104A CA 3208104 A1 CA3208104 A1 CA 3208104A1
Authority
CA
Canada
Prior art keywords
transform coefficient
block
context
sign prediction
sign
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
CA3208104A
Other languages
English (en)
French (fr)
Inventor
Vadim Seregin
Louis Joseph Kerofsky
Marta Karczewicz
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 US17/656,319 external-priority patent/US12418681B2/en
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of CA3208104A1 publication Critical patent/CA3208104A1/en
Pending legal-status Critical Current

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
    • H04N19/13—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
CA3208104A 2021-03-29 2022-03-25 Context modeling for sign prediction for video coding Pending CA3208104A1 (en)

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
CA3208104A1 true CA3208104A1 (en) 2022-10-06

Family

ID=81308405

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3208104A Pending CA3208104A1 (en) 2021-03-29 2022-03-25 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
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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