KR20210002506A - 비디오의 인코딩 및 디코딩 - Google Patents

비디오의 인코딩 및 디코딩 Download PDF

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Publication number
KR20210002506A
KR20210002506A KR1020207030898A KR20207030898A KR20210002506A KR 20210002506 A KR20210002506 A KR 20210002506A KR 1020207030898 A KR1020207030898 A KR 1020207030898A KR 20207030898 A KR20207030898 A KR 20207030898A KR 20210002506 A KR20210002506 A KR 20210002506A
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KR
South Korea
Prior art keywords
block
transform
subblock
transform subblock
determining
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Application number
KR1020207030898A
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English (en)
Korean (ko)
Inventor
파브리스 르레아넥
탕기 푸아리에
야 첸
Original Assignee
인터디지털 브이씨 홀딩스 인코포레이티드
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Priority claimed from EP18305673.8A external-priority patent/EP3576408A1/en
Application filed by 인터디지털 브이씨 홀딩스 인코포레이티드 filed Critical 인터디지털 브이씨 홀딩스 인코포레이티드
Publication of KR20210002506A publication Critical patent/KR20210002506A/ko
Withdrawn legal-status Critical Current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
    • H04N19/10—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
    • H04N19/122—Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
    • 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
    • H04N19/119—Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
    • 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
    • H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
    • 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

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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)
KR1020207030898A 2018-05-02 2019-04-24 비디오의 인코딩 및 디코딩 Withdrawn KR20210002506A (ko)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
EP18305542.5 2018-05-02
EP18305542 2018-05-02
EP18305673.8A EP3576408A1 (en) 2018-05-31 2018-05-31 Adaptive transformation and coefficient scan order for video coding
EP18305673.8 2018-05-31
PCT/US2019/028864 WO2019212816A1 (en) 2018-05-02 2019-04-24 Encoding and decoding a video

Publications (1)

Publication Number Publication Date
KR20210002506A true KR20210002506A (ko) 2021-01-08

Family

ID=66669043

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020207030898A Withdrawn KR20210002506A (ko) 2018-05-02 2019-04-24 비디오의 인코딩 및 디코딩

Country Status (7)

Country Link
US (1) US20210243445A1 (https=)
EP (1) EP3788784A1 (https=)
JP (1) JP2021520698A (https=)
KR (1) KR20210002506A (https=)
CN (1) CN112042193A (https=)
BR (1) BR112020020046A2 (https=)
WO (1) WO2019212816A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20240090220A (ko) * 2021-10-22 2024-06-21 엘지전자 주식회사 영상 디코딩 방법 및 그 장치

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20100095992A (ko) * 2009-02-23 2010-09-01 한국과학기술원 비디오 부호화에서의 분할 블록 부호화 방법, 비디오 복호화에서의 분할 블록 복호화 방법 및 이를 구현하는 기록매체
US9247254B2 (en) * 2011-10-27 2016-01-26 Qualcomm Incorporated Non-square transforms in intra-prediction video coding
CN107105248B (zh) * 2012-04-13 2021-05-07 佳能株式会社 视频数据的变换单位的子集的编解码的方法、设备和系统
US9544597B1 (en) * 2013-02-11 2017-01-10 Google Inc. Hybrid transform in video encoding and decoding
US10306229B2 (en) * 2015-01-26 2019-05-28 Qualcomm Incorporated Enhanced multiple transforms for prediction residual

Also Published As

Publication number Publication date
BR112020020046A2 (pt) 2021-01-05
EP3788784A1 (en) 2021-03-10
JP2021520698A (ja) 2021-08-19
US20210243445A1 (en) 2021-08-05
CN112042193A (zh) 2020-12-04
WO2019212816A1 (en) 2019-11-07

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Patent event date: 20201027

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