CA3137319A1 - Method and apparatus for reducing context models for entropy coding of transform coefficient significant flag - Google Patents

Method and apparatus for reducing context models for entropy coding of transform coefficient significant flag Download PDF

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Publication number
CA3137319A1
CA3137319A1 CA3137319A CA3137319A CA3137319A1 CA 3137319 A1 CA3137319 A1 CA 3137319A1 CA 3137319 A CA3137319 A CA 3137319A CA 3137319 A CA3137319 A CA 3137319A CA 3137319 A1 CA3137319 A1 CA 3137319A1
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Canada
Prior art keywords
context model
video
context
transform
current
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Pending
Application number
CA3137319A
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English (en)
French (fr)
Inventor
Cheung Auyeung
Xin Zhao
Xiang Li
Shan Liu
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Tencent America LLC
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Tencent America LLC
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Publication date
Application filed by Tencent America LLC filed Critical Tencent America LLC
Publication of CA3137319A1 publication Critical patent/CA3137319A1/en
Pending legal-status Critical Current

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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
    • H04N19/60—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
    • H04N19/70—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
    • H04N19/124—Quantisation
    • 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
    • H04N19/136—Incoming video signal characteristics or properties
    • 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
    • H04N19/186—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 colour or a chrominance component
    • 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
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic 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
    • H04N19/10—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
    • H04N19/167—Position within a video image, e.g. region of interest [ROI]

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
CA3137319A 2019-06-19 2020-06-18 Method and apparatus for reducing context models for entropy coding of transform coefficient significant flag Pending CA3137319A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201962863742P 2019-06-19 2019-06-19
US62/863,742 2019-06-19
US16/904,000 2020-06-17
US16/904,000 US11212555B2 (en) 2019-06-19 2020-06-17 Method of reducing context models for entropy coding of transform coefficient significant flag
PCT/US2020/038417 WO2020257447A1 (en) 2019-06-19 2020-06-18 Method and apparatus for reducing context models for entropy coding of transform coefficient significant flag

Publications (1)

Publication Number Publication Date
CA3137319A1 true CA3137319A1 (en) 2020-12-24

Family

ID=74039020

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3137319A Pending CA3137319A1 (en) 2019-06-19 2020-06-18 Method and apparatus for reducing context models for entropy coding of transform coefficient significant flag

Country Status (9)

Country Link
US (4) US11212555B2 (https=)
EP (1) EP3987664A4 (https=)
JP (3) JP7361782B2 (https=)
KR (2) KR102630441B1 (https=)
CN (3) CN117319658A (https=)
AU (3) AU2020298230B2 (https=)
CA (1) CA3137319A1 (https=)
SG (1) SG11202111444PA (https=)
WO (1) WO2020257447A1 (https=)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN119520781A (zh) * 2018-07-02 2025-02-25 交互数字Vc控股公司 基于上下文的二进制算术编码和解码的方法和装置
US11212555B2 (en) * 2019-06-19 2021-12-28 Tencent America LLC Method of reducing context models for entropy coding of transform coefficient significant flag
WO2024017259A1 (en) * 2022-07-19 2024-01-25 Douyin Vision Co., Ltd. Method, apparatus, and medium for video processing
WO2024255475A1 (en) * 2023-06-15 2024-12-19 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Coding and decoding methods, bitstream, encoder, decoder and storage medium
WO2025157256A1 (en) * 2024-01-26 2025-07-31 Mediatek Inc. Entropy coding transform coefficients in video coding system
WO2025157021A1 (en) * 2024-01-26 2025-07-31 Mediatek Inc. Adaptive entropy coding transform coefficients in video coding system
CN118504427B (zh) * 2024-07-17 2024-09-20 南京信息工程大学 一种遥感图像精确分割方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3413720B2 (ja) * 1998-06-26 2003-06-09 ソニー株式会社 画像符号化方法及び装置、並びに画像復号方法及び装置
DK1633767T3 (en) 2003-06-02 2019-03-25 Univ Massachusetts METHODS AND COMPOSITIONS FOR MANAGING THE EFFECT OF RNA SILENCING
AU2012200319B2 (en) * 2012-01-19 2015-11-26 Canon Kabushiki Kaisha Method, apparatus and system for encoding and decoding the significance map for residual coefficients of a transform unit
US9350998B2 (en) * 2012-06-29 2016-05-24 Qualcomm Incorporated Coding of significance flags
US20150264404A1 (en) * 2014-03-17 2015-09-17 Nokia Technologies Oy Method and apparatus for video coding and decoding
US10616604B2 (en) * 2015-09-01 2020-04-07 Qualcomm Incorporated Coefficient level coding in video coding
WO2017041271A1 (en) * 2015-09-10 2017-03-16 Mediatek Singapore Pte. Ltd. Efficient context modeling for coding a block of data
WO2017134992A1 (ja) * 2016-02-03 2017-08-10 シャープ株式会社 予測画像生成装置、動画像復号装置および動画像符号化装置
EP3364656A1 (en) 2017-02-15 2018-08-22 Thomson Licensing Method for sample adaptive offset coding
US11477492B2 (en) * 2017-08-04 2022-10-18 Google Inc. Adaptation for entropy coding of blocks of image data
US10484695B2 (en) * 2017-10-23 2019-11-19 Google Llc Refined entropy coding for level maps
EP3503557A1 (en) * 2017-12-22 2019-06-26 Thomson Licensing Method and apparatus for video encoding and decoding based on context switching
US11212555B2 (en) * 2019-06-19 2021-12-28 Tencent America LLC Method of reducing context models for entropy coding of transform coefficient significant flag

Also Published As

Publication number Publication date
CN117319658A (zh) 2023-12-29
CN117319657A (zh) 2023-12-29
JP7807516B2 (ja) 2026-01-27
KR20240017099A (ko) 2024-02-06
EP3987664A4 (en) 2023-06-07
US11212555B2 (en) 2021-12-28
KR20210093321A (ko) 2021-07-27
CN113678378B (zh) 2023-11-10
US20200404328A1 (en) 2020-12-24
JP2025036426A (ja) 2025-03-14
US20240031605A1 (en) 2024-01-25
AU2023202653A1 (en) 2023-05-18
JP7596458B2 (ja) 2024-12-09
US12212780B2 (en) 2025-01-28
US20220030273A1 (en) 2022-01-27
WO2020257447A1 (en) 2020-12-24
AU2024241581A1 (en) 2024-11-21
US11563978B2 (en) 2023-01-24
AU2020298230B2 (en) 2023-02-09
US20230090063A1 (en) 2023-03-23
US11805277B2 (en) 2023-10-31
AU2020298230A1 (en) 2021-11-11
SG11202111444PA (en) 2021-11-29
AU2023202653B2 (en) 2024-08-01
CN113678378A (zh) 2021-11-19
JP7361782B2 (ja) 2023-10-16
JP2023129480A (ja) 2023-09-14
KR102630441B1 (ko) 2024-01-31
JP2022520340A (ja) 2022-03-30
EP3987664A1 (en) 2022-04-27

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