JP7767450B2 - ビデオコーディングのための符号予測のためのコンテキストモデル化 - Google Patents

ビデオコーディングのための符号予測のためのコンテキストモデル化

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Publication number
JP7767450B2
JP7767450B2 JP2023557415A JP2023557415A JP7767450B2 JP 7767450 B2 JP7767450 B2 JP 7767450B2 JP 2023557415 A JP2023557415 A JP 2023557415A JP 2023557415 A JP2023557415 A JP 2023557415A JP 7767450 B2 JP7767450 B2 JP 7767450B2
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Japan
Prior art keywords
context
block
prediction
sign
syntax element
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JP2023557415A
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English (en)
Japanese (ja)
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JP2024512503A (ja
JP2024512503A5 (enExample
Inventor
セレジン、バディム
ケロフスキー、ルイス・ジョセフ
カルチェビチ、マルタ
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Qualcomm Inc
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Qualcomm Inc
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Priority claimed from US17/656,319 external-priority patent/US12418681B2/en
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Publication of JP2024512503A5 publication Critical patent/JP2024512503A5/ja
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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
    • H04N19/70—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
    • H04N19/102—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2023557415A 2021-03-29 2022-03-25 ビデオコーディングのための符号予測のためのコンテキストモデル化 Active JP7767450B2 (ja)

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 (3)

Publication Number Publication Date
JP2024512503A JP2024512503A (ja) 2024-03-19
JP2024512503A5 JP2024512503A5 (enExample) 2025-03-06
JP7767450B2 true JP7767450B2 (ja) 2025-11-11

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JP2023557415A Active JP7767450B2 (ja) 2021-03-29 2022-03-25 ビデオコーディングのための符号予測のためのコンテキストモデル化

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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

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120230417A1 (en) 2011-03-08 2012-09-13 Qualcomm Incorporated Coding of transform coefficients for video coding
WO2019172797A1 (en) 2018-03-07 2019-09-12 Huawei Technologies Co., Ltd. Method and apparatus for harmonizing multiple sign bit hiding and residual sign prediction
US20200404311A1 (en) 2018-03-07 2020-12-24 Huawei Technologies Co., Ltd. Method and apparatus for residual sign prediction in transform domain
JP2024531144A (ja) 2021-08-17 2024-08-29 ベイジン、ターチア、インターネット、インフォメーション、テクノロジー、カンパニー、リミテッド ブロックベースのビデオ符号化のための符号予測

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20190208225A1 (en) * 2018-01-02 2019-07-04 Qualcomm Incorporated Sign prediction in video coding

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120230417A1 (en) 2011-03-08 2012-09-13 Qualcomm Incorporated Coding of transform coefficients for video coding
WO2019172797A1 (en) 2018-03-07 2019-09-12 Huawei Technologies Co., Ltd. Method and apparatus for harmonizing multiple sign bit hiding and residual sign prediction
US20200404311A1 (en) 2018-03-07 2020-12-24 Huawei Technologies Co., Ltd. Method and apparatus for residual sign prediction in transform domain
US20210014509A1 (en) 2018-03-07 2021-01-14 Huawei Technologies Co., Ltd. Signaling residual signs predicted in transform domain
JP2024531144A (ja) 2021-08-17 2024-08-29 ベイジン、ターチア、インターネット、インフォメーション、テクノロジー、カンパニー、リミテッド ブロックベースのビデオ符号化のための符号予測

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WO2022213042A1 (en) 2022-10-06
KR20230157988A (ko) 2023-11-17
JP2024512503A (ja) 2024-03-19
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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