DK3707898T3 - Valg af transformation i en videokoder og/eller videoafkoder - Google Patents

Valg af transformation i en videokoder og/eller videoafkoder Download PDF

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Publication number
DK3707898T3
DK3707898T3 DK19744635.4T DK19744635T DK3707898T3 DK 3707898 T3 DK3707898 T3 DK 3707898T3 DK 19744635 T DK19744635 T DK 19744635T DK 3707898 T3 DK3707898 T3 DK 3707898T3
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DK
Denmark
Prior art keywords
video
transformation
selection
video encoder
video decoder
Prior art date
Application number
DK19744635.4T
Other languages
English (en)
Inventor
Ruoyang Yu
Zhi Zhang
Rickard Sjöberg
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Application granted granted Critical
Publication of DK3707898T3 publication Critical patent/DK3707898T3/da

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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
    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • H04N19/45—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder performing compensation of the inverse transform mismatch, e.g. Inverse Discrete Cosine Transform [IDCT] mismatch
    • 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
    • H04N19/11—Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
    • 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
    • H04N19/186—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
    • H04N19/60—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

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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)
DK19744635.4T 2018-07-13 2019-07-10 Valg af transformation i en videokoder og/eller videoafkoder DK3707898T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201862697484P 2018-07-13 2018-07-13
PCT/EP2019/068548 WO2020011860A1 (en) 2018-07-13 2019-07-10 Transform selection in a video encoder and/or video decoder

Publications (1)

Publication Number Publication Date
DK3707898T3 true DK3707898T3 (da) 2021-05-03

Family

ID=67439185

Family Applications (1)

Application Number Title Priority Date Filing Date
DK19744635.4T DK3707898T3 (da) 2018-07-13 2019-07-10 Valg af transformation i en videokoder og/eller videoafkoder

Country Status (15)

Country Link
US (5) US11218716B2 (da)
EP (2) EP3843395A1 (da)
JP (1) JP6934572B2 (da)
KR (1) KR102226462B1 (da)
CN (1) CN111567041B (da)
BR (1) BR112020012295A2 (da)
CA (1) CA3090207C (da)
CL (1) CL2020001785A1 (da)
DK (1) DK3707898T3 (da)
ES (1) ES2864670T3 (da)
MX (1) MX2020006114A (da)
MY (1) MY201282A (da)
PH (1) PH12020551004A1 (da)
PL (1) PL3707898T3 (da)
WO (1) WO2020011860A1 (da)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102226462B1 (ko) 2018-07-13 2021-03-10 텔레폰악티에볼라겟엘엠에릭슨(펍) 비디오 인코더 및/또는 비디오 디코더에서의 변환 선택
KR20200028856A (ko) * 2018-09-07 2020-03-17 김기백 인트라 예측을 이용한 영상 부호화/복호화 방법 및 장치
CN114846799B (zh) * 2019-10-29 2023-06-13 Lg电子株式会社 图像编码和解码方法、存储介质及图像数据的发送方法
CA3244609A1 (en) * 2019-10-29 2025-10-31 Lg Electronics Inc. Method for low-frequency non-separable transform-based image coding and apparatus therefor
CN119788855B (zh) * 2019-12-31 2025-12-26 Oppo广东移动通信有限公司 变换方法、编码器、解码器以及存储介质
CN117296325A (zh) * 2021-04-12 2023-12-26 Lg电子株式会社 用于设计低频不可分离变换的方法和设备
CN119817106A (zh) * 2022-08-26 2025-04-11 北京达佳互联信息技术有限公司 使用帧内块复制进行视频编码的方法和设备
US20240187620A1 (en) * 2022-10-20 2024-06-06 Tencent America LLC Transform selection through block matching

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994022108A1 (en) * 1993-03-23 1994-09-29 Zoran Corporation Rapid thumbnail image reconstruction of dct compressed image data
US7751478B2 (en) 2005-01-21 2010-07-06 Seiko Epson Corporation Prediction intra-mode selection in an encoder
CN103782596A (zh) 2011-06-28 2014-05-07 三星电子株式会社 使用图像的亮度分量的对图像的色度分量的预测方法和设备
US8929455B2 (en) * 2011-07-01 2015-01-06 Mitsubishi Electric Research Laboratories, Inc. Method for selecting transform types from mapping table for prediction modes
CN107257456B (zh) * 2011-10-19 2020-03-06 株式会社Kt 解码视频信号的方法
CN109218730B (zh) 2012-01-19 2023-07-28 华为技术有限公司 用于lm帧内预测的参考像素缩减
WO2013157829A1 (ko) 2012-04-16 2013-10-24 한국전자통신연구원 부호화 방법 및 복호화 방법 그리고 이를 이용하는 장치
US10306229B2 (en) 2015-01-26 2019-05-28 Qualcomm Incorporated Enhanced multiple transforms for prediction residual
US20160286241A1 (en) * 2015-03-24 2016-09-29 Nokia Technologies Oy Apparatus, a method and a computer program for video coding and decoding
US10602138B2 (en) 2015-08-27 2020-03-24 Lg Electronics Inc. Method and device for chroma sample intra prediction in video coding system
US10681379B2 (en) 2015-09-29 2020-06-09 Qualcomm Incorporated Non-separable secondary transform for video coding with reorganizing
WO2017143467A1 (en) 2016-02-22 2017-08-31 Mediatek Singapore Pte. Ltd. Localized luma mode prediction inheritance for chroma coding
WO2017196127A1 (ko) * 2016-05-12 2017-11-16 엘지전자 주식회사 임의 파티션 변환에 기초하여 비디오 신호를 처리하는 방법
US10972733B2 (en) * 2016-07-15 2021-04-06 Qualcomm Incorporated Look-up table for enhanced multiple transform
US20180041778A1 (en) * 2016-08-02 2018-02-08 Qualcomm Incorporated Geometry transformation-based adaptive loop filtering
US10728548B2 (en) * 2017-04-04 2020-07-28 Futurewei Technologies, Inc. Processing reference samples used for intra-prediction of a picture block
US10623738B2 (en) * 2017-04-06 2020-04-14 Futurewei Technologies, Inc. Noise suppression filter
KR102226462B1 (ko) 2018-07-13 2021-03-10 텔레폰악티에볼라겟엘엠에릭슨(펍) 비디오 인코더 및/또는 비디오 디코더에서의 변환 선택

Also Published As

Publication number Publication date
US20260052267A1 (en) 2026-02-19
US20200186815A1 (en) 2020-06-11
ES2864670T3 (es) 2021-10-14
EP3843395A1 (en) 2021-06-30
CA3090207A1 (en) 2020-01-16
US11218716B2 (en) 2022-01-04
PL3707898T3 (pl) 2021-10-04
KR20200085917A (ko) 2020-07-15
US11627329B2 (en) 2023-04-11
CN111567041A (zh) 2020-08-21
WO2020011860A1 (en) 2020-01-16
CA3090207C (en) 2022-03-15
EP3707898B1 (en) 2021-03-17
US20230239486A1 (en) 2023-07-27
EP3707898A1 (en) 2020-09-16
US12401815B2 (en) 2025-08-26
CL2020001785A1 (es) 2020-10-09
MY201282A (en) 2024-02-15
US20240214596A1 (en) 2024-06-27
US11882302B2 (en) 2024-01-23
PH12020551004A1 (en) 2021-09-06
US20220078459A1 (en) 2022-03-10
BR112020012295A2 (pt) 2020-11-24
JP6934572B2 (ja) 2021-09-15
JP2021513230A (ja) 2021-05-20
KR102226462B1 (ko) 2021-03-10
CN111567041B (zh) 2022-04-29
MX2020006114A (es) 2020-08-24

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