IL304267A - Context modeling for signal prediction for video coding - Google Patents

Context modeling for signal prediction for video coding

Info

Publication number
IL304267A
IL304267A IL304267A IL30426723A IL304267A IL 304267 A IL304267 A IL 304267A IL 304267 A IL304267 A IL 304267A IL 30426723 A IL30426723 A IL 30426723A IL 304267 A IL304267 A IL 304267A
Authority
IL
Israel
Prior art keywords
video coding
context modeling
sign prediction
prediction
sign
Prior art date
Application number
IL304267A
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 US17/656,319 external-priority patent/US12418681B2/en
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of IL304267A publication Critical patent/IL304267A/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
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/13Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/70Methods 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
    • 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
    • H04N19/102Methods 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
    • H04N19/129Scanning of coding units, e.g. zig-zag scan of transform coefficients or flexible macroblock ordering [FMO]
    • 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
    • H04N19/154Measured or subjectively estimated visual quality after decoding, e.g. measurement of distortion
    • 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
    • H04N19/10Methods 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
    • H04N19/18Methods 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
    • 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
    • H04N19/184Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61Methods 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)
IL304267A 2021-03-29 2023-07-05 Context modeling for signal prediction for video coding IL304267A (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
IL304267A true IL304267A (en) 2023-09-01

Family

ID=81308405

Family Applications (1)

Application Number Title Priority Date Filing Date
IL304267A IL304267A (en) 2021-03-29 2023-07-05 Context modeling for signal 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
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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