CO2021011790A2 - Codificación de coeficientes para el modo de salto de transformación - Google Patents

Codificación de coeficientes para el modo de salto de transformación

Info

Publication number
CO2021011790A2
CO2021011790A2 CONC2021/0011790A CO2021011790A CO2021011790A2 CO 2021011790 A2 CO2021011790 A2 CO 2021011790A2 CO 2021011790 A CO2021011790 A CO 2021011790A CO 2021011790 A2 CO2021011790 A2 CO 2021011790A2
Authority
CO
Colombia
Prior art keywords
coefficient
value
currently
jump mode
decoded
Prior art date
Application number
CONC2021/0011790A
Other languages
English (en)
Spanish (es)
Inventor
Marta Karczewicz
Muhammed Zeyd Coban
Hongtao Wang
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
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of CO2021011790A2 publication Critical patent/CO2021011790A2/es

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
    • H04N19/60—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

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)
CONC2021/0011790A 2019-03-11 2021-09-08 Codificación de coeficientes para el modo de salto de transformación CO2021011790A2 (es)

Applications Claiming Priority (4)

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

Publications (1)

Publication Number Publication Date
CO2021011790A2 true CO2021011790A2 (es) 2021-09-20

Family

ID=72424253

Family Applications (1)

Application Number Title Priority Date Filing Date
CONC2021/0011790A CO2021011790A2 (es) 2019-03-11 2021-09-08 Codificación de coeficientes para el modo de salto de transformación

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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JP7288084B2 (ja) 2019-05-02 2023-06-06 バイトダンス インコーポレイテッド 変換スキップモードにおける信号通知
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WO2020253864A1 (en) 2019-06-21 2020-12-24 Beijing Bytedance Network Technology Co., Ltd. Selective enablement of adaptive in-loop color-space transform in video coding
KR102824491B1 (ko) * 2019-08-31 2025-06-25 엘지전자 주식회사 비디오 또는 영상 코딩 방법 및 그 장치
EP4024861A4 (en) * 2019-08-31 2023-06-28 LG Electronics Inc. Method for decoding video for residual coding and device therefor
CN118945359A (zh) * 2019-09-25 2024-11-12 松下电器（美国）知识产权公司 编码装置、解码装置和比特流
CN115152219B (zh) 2019-11-07 2026-04-17 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
CN119996712A (zh) * 2020-03-31 2025-05-13 Lg电子株式会社 图像解码方法、图像编码方法和图像数据发送方法
CN115428463A (zh) * 2020-04-02 2022-12-02 抖音视界有限公司 变换跳过模式下的系数编解码
US12439095B2 (en) * 2021-04-16 2025-10-07 Tencent America LLC Entropy coding of sign map for transform coefficients
US12526443B2 (en) * 2022-01-13 2026-01-13 Qualcomm Incorporated Coding video data using out-of-boundary motion vectors
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
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
WO2020185875A1 (en) 2020-09-17
SG11202108728RA (en) 2021-09-29
TWI848073B (zh) 2024-07-11
US11202100B2 (en) 2021-12-14
JP2022523789A (ja) 2022-04-26
CN113545058A (zh) 2021-10-22
SA521430243B1 (ar) 2025-05-25
KR20210134337A (ko) 2021-11-09
IL285621B1 (en) 2024-01-01
PH12021551956A1 (en) 2022-07-18
JP7633174B2 (ja) 2025-02-19
EP3939284A1 (en) 2022-01-19
IL285621A (en) 2021-09-30
ZA202106737B (en) 2025-01-29
TW202041009A (zh) 2020-11-01
IL285621B2 (en) 2024-05-01
CL2021002355A1 (es) 2022-06-03
MX2021011042A (es) 2021-10-13
CN113545058B (zh) 2025-06-24
CA3130803A1 (en) 2020-09-17
MY208410A (en) 2025-05-08
BR112021017448A2 (pt) 2021-11-16
AU2020239051A1 (en) 2021-09-09
AU2020239051B2 (en) 2025-06-05
US20200296420A1 (en) 2020-09-17

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