CA3130803A1 - Coefficient coding for transform skip mode - Google Patents

Coefficient coding for transform skip mode Download PDF

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Publication number
CA3130803A1
CA3130803A1 CA3130803A CA3130803A CA3130803A1 CA 3130803 A1 CA3130803 A1 CA 3130803A1 CA 3130803 A CA3130803 A CA 3130803A CA 3130803 A CA3130803 A CA 3130803A CA 3130803 A1 CA3130803 A1 CA 3130803A1
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CA
Canada
Prior art keywords
value
coefficient
neighboring
neighboring coefficient
currently
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Pending
Application number
CA3130803A
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English (en)
French (fr)
Inventor
Marta Karczewicz
Muhammed Zeyd Coban
Hongtao Wang
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Qualcomm Inc
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Qualcomm Inc
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Publication of CA3130803A1 publication Critical patent/CA3130803A1/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
    • 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
    • H04N19/10—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
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • 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
    • H04N19/182—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 pixel
    • 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
    • H04N19/90—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

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
CA3130803A 2019-03-11 2020-03-11 Coefficient coding for transform skip mode Pending CA3130803A1 (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US201962816745P 2019-03-11 2019-03-11
US62/816,745 2019-03-11
US201962850453P 2019-05-20 2019-05-20
US62/850,453 2019-05-20
US16/814,654 US11202100B2 (en) 2019-03-11 2020-03-10 Coefficient coding for transform skip mode
US16/814,654 2020-03-10
PCT/US2020/022065 WO2020185875A1 (en) 2019-03-11 2020-03-11 Coefficient coding for transform skip mode

Publications (1)

Publication Number Publication Date
CA3130803A1 true CA3130803A1 (en) 2020-09-17

Family

ID=72424253

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3130803A Pending CA3130803A1 (en) 2019-03-11 2020-03-11 Coefficient coding for transform skip mode

Country Status (19)

Country Link
US (1) US11202100B2 (https=)
EP (1) EP3939284A1 (https=)
JP (1) JP7633174B2 (https=)
KR (1) KR20210134337A (https=)
CN (1) CN113545058B (https=)
AU (1) AU2020239051B2 (https=)
BR (1) BR112021017448A2 (https=)
CA (1) CA3130803A1 (https=)
CL (1) CL2021002355A1 (https=)
CO (1) CO2021011790A2 (https=)
IL (1) IL285621B2 (https=)
MX (1) MX2021011042A (https=)
MY (1) MY208410A (https=)
PH (1) PH12021551956A1 (https=)
SA (1) SA521430243B1 (https=)
SG (1) SG11202108728RA (https=)
TW (1) TWI848073B (https=)
WO (1) WO2020185875A1 (https=)
ZA (1) ZA202106737B (https=)

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SG11202111530YA (en) 2019-04-24 2021-11-29 Bytedance Inc Constraints on quantized residual differential pulse code modulation representation of coded video
KR102707777B1 (ko) 2019-05-01 2024-09-20 바이트댄스 아이엔씨 양자화된 잔차 차동 펄스 코드 변조 코딩을 사용하는 인트라 코딩된 비디오
CN113785568B (zh) 2019-05-02 2024-03-08 字节跳动有限公司 变换跳过模式下的信令通知
WO2020223615A1 (en) 2019-05-02 2020-11-05 Bytedance Inc. Coding mode based on a coding tree structure type
CN117834875A (zh) * 2019-06-14 2024-04-05 松下电器（美国）知识产权公司 编码装置、解码装置和非暂时性的计算机可读取介质
CN114041287B (zh) 2019-06-21 2024-10-22 北京字节跳动网络技术有限公司 自适应环内颜色空间转换和其他视频编解码工具的选择性使用
HUE069274T2 (hu) * 2019-08-31 2025-02-28 Lg Electronics Inc Video- vagy képkódoló eljárás és eszköz az eljáráshoz
EP4024861A4 (en) 2019-08-31 2023-06-28 LG Electronics Inc. Method for decoding video for residual coding and device therefor
BR112022002916A2 (pt) * 2019-09-25 2022-05-10 Panasonic Ip Corp America Codificador, decodificador, método de codificação e método de decodificação
CN117336478A (zh) 2019-11-07 2024-01-02 抖音视界有限公司 视频编解码的自适应环内颜色空间变换的量化特性
MX2022012270A (es) * 2020-03-31 2022-12-13 Lg Electronics Inc Método de decodificación de imágenes para codificación residual, y dispositivo para el mismo.
WO2021197406A1 (en) * 2020-04-02 2021-10-07 Beijing Bytedance Network Technology Co., Ltd. Coefficients coding in transform skip mode
US12439095B2 (en) * 2021-04-16 2025-10-07 Tencent America LLC Entropy coding of sign map for transform coefficients
JP2025504424A (ja) * 2022-01-13 2025-02-12 ノキア テクノロジーズ オサケユイチア クロス成分パラメータ決定のための装置、方法、およびコンピュータプログラム
US12526443B2 (en) * 2022-01-13 2026-01-13 Qualcomm Incorporated Coding video data using out-of-boundary motion vectors
US12464132B2 (en) * 2022-03-01 2025-11-04 Tencent America LLC Coefficient sign prediction for transform skip

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Also Published As

Publication number Publication date
CL2021002355A1 (es) 2022-06-03
JP7633174B2 (ja) 2025-02-19
CO2021011790A2 (es) 2021-09-20
WO2020185875A1 (en) 2020-09-17
AU2020239051A1 (en) 2021-09-09
SG11202108728RA (en) 2021-09-29
EP3939284A1 (en) 2022-01-19
MY208410A (en) 2025-05-08
CN113545058B (zh) 2025-06-24
MX2021011042A (es) 2021-10-13
BR112021017448A2 (pt) 2021-11-16
JP2022523789A (ja) 2022-04-26
IL285621A (en) 2021-09-30
ZA202106737B (en) 2025-01-29
CN113545058A (zh) 2021-10-22
US11202100B2 (en) 2021-12-14
US20200296420A1 (en) 2020-09-17
SA521430243B1 (ar) 2025-05-25
TW202041009A (zh) 2020-11-01
IL285621B2 (en) 2024-05-01
TWI848073B (zh) 2024-07-11
AU2020239051B2 (en) 2025-06-05
IL285621B1 (en) 2024-01-01
KR20210134337A (ko) 2021-11-09
PH12021551956A1 (en) 2022-07-18

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