CA3041856A1 - Image processing apparatus and method for curbing deterioration in coding efficiency - Google Patents

Image processing apparatus and method for curbing deterioration in coding efficiency Download PDF

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Publication number
CA3041856A1
CA3041856A1 CA3041856A CA3041856A CA3041856A1 CA 3041856 A1 CA3041856 A1 CA 3041856A1 CA 3041856 A CA3041856 A CA 3041856A CA 3041856 A CA3041856 A CA 3041856A CA 3041856 A1 CA3041856 A1 CA 3041856A1
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Prior art keywords
transform
flag
chrominance
primary
inverse
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Pending
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CA3041856A
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English (en)
French (fr)
Inventor
Takeshi Tsukuba
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Sony Corp
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Sony Corp
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Publication of CA3041856A1 publication Critical patent/CA3041856A1/en
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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
    • H04N19/12—Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
    • 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
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/107—Selection of coding mode or of prediction mode between spatial and temporal predictive coding, e.g. picture refresh
    • 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
    • H04N19/186—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
    • H04N19/70—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

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
CA3041856A 2016-12-28 2017-12-15 Image processing apparatus and method for curbing deterioration in coding efficiency Pending CA3041856A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2016256732 2016-12-28
JP2016-256732 2016-12-28
PCT/JP2017/045042 WO2018123644A1 (ja) 2016-12-28 2017-12-15 画像処理装置および方法

Publications (1)

Publication Number Publication Date
CA3041856A1 true CA3041856A1 (en) 2018-07-05

Family

ID=62708047

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3041856A Pending CA3041856A1 (en) 2016-12-28 2017-12-15 Image processing apparatus and method for curbing deterioration in coding efficiency

Country Status (10)

Country Link
US (3) US20210243475A1 (https=)
EP (2) EP4395313A1 (https=)
JP (1) JP7067487B2 (https=)
KR (1) KR102476148B1 (https=)
CN (1) CN110100438B (https=)
AU (1) AU2017387752B2 (https=)
BR (1) BR112019012707A2 (https=)
CA (1) CA3041856A1 (https=)
RU (1) RU2759052C2 (https=)
WO (1) WO2018123644A1 (https=)

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WO2019009129A1 (ja) * 2017-07-03 2019-01-10 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ 符号化装置、復号装置、符号化方法及び復号方法
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WO2020145582A1 (ko) * 2019-01-07 2020-07-16 엘지전자 주식회사 이차 변환에 기반한 영상 코딩 방법 및 그 장치
CN113711612B (zh) 2019-04-20 2023-05-26 北京字节跳动网络技术有限公司 视频编解码中的色度语法元素的信令
KR102860140B1 (ko) * 2019-04-23 2025-09-16 두인 비전 컴퍼니 리미티드 다중 변환 행렬의 선택 및 컨텍스트 모델링
US12172351B2 (en) * 2019-05-17 2024-12-24 Canon Virginia, Inc. Manufacturing method, injection molding system, and mold
AU2019232801A1 (en) * 2019-09-17 2021-04-01 Canon Kabushiki Kaisha Method, apparatus and system for encoding and decoding a block of video samples
JP7780618B2 (ja) * 2019-05-17 2025-12-04 キヤノン株式会社 ビデオサンプルのブロックを符号化並びに復号するための方法、装置、及びシステム
CN115567707B (zh) 2019-05-30 2025-05-13 抖音视界有限公司 一种处理视频数据的方法、装置、介质
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Also Published As

Publication number Publication date
KR102476148B1 (ko) 2022-12-12
JPWO2018123644A1 (ja) 2019-11-21
RU2019119077A (ru) 2020-12-21
EP3565249A4 (en) 2019-12-18
JP7067487B2 (ja) 2022-05-16
AU2017387752B2 (en) 2022-08-25
KR20190099410A (ko) 2019-08-27
EP3565249A1 (en) 2019-11-06
US20240292031A1 (en) 2024-08-29
RU2019119077A3 (https=) 2021-04-05
AU2017387752A1 (en) 2019-07-11
US20220394299A1 (en) 2022-12-08
US11997316B2 (en) 2024-05-28
CN110100438B (zh) 2022-04-15
EP4395313A1 (en) 2024-07-03
CN110100438A (zh) 2019-08-06
BR112019012707A2 (pt) 2019-11-19
US20210243475A1 (en) 2021-08-05
WO2018123644A1 (ja) 2018-07-05
RU2759052C2 (ru) 2021-11-09

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