SG11202108954VA - Video coding with unfiltered reference samples using different chroma formats - Google Patents

Video coding with unfiltered reference samples using different chroma formats

Info

Publication number
SG11202108954VA
SG11202108954VA SG11202108954VA SG11202108954VA SG11202108954VA SG 11202108954V A SG11202108954V A SG 11202108954VA SG 11202108954V A SG11202108954V A SG 11202108954VA SG 11202108954V A SG11202108954V A SG 11202108954VA SG 11202108954V A SG11202108954V A SG 11202108954VA
Authority
SG
Singapore
Prior art keywords
video coding
reference samples
unfiltered reference
different chroma
chroma formats
Prior art date
Application number
SG11202108954VA
Other languages
English (en)
Inventor
Hongtao Wang
Wei-Jung Chien
Vadim Seregin
Marta Karczewicz
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 SG11202108954VA publication Critical patent/SG11202108954VA/en

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/119Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/537Motion estimation other than block-based
    • H04N19/54Motion estimation other than block-based using feature points or meshes
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/103Selection of coding mode or of prediction mode
    • H04N19/105Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/103Selection of coding mode or of prediction mode
    • H04N19/11Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/117Filters, e.g. for pre-processing or post-processing
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/132Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods 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
    • H04N19/157Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods 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
    • H04N19/157Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/17Methods 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
    • H04N19/176Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/182Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/186Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/85Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H04N19/86Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving reduction of coding artifacts, e.g. of blockiness

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Color Television Systems (AREA)
SG11202108954VA 2019-03-15 2020-02-26 Video coding with unfiltered reference samples using different chroma formats SG11202108954VA (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201962819368P 2019-03-15 2019-03-15
US16/800,864 US12022095B2 (en) 2019-03-15 2020-02-25 Video coding with unfiltered reference samples using different chroma formats
PCT/US2020/019952 WO2020190469A1 (en) 2019-03-15 2020-02-26 Video coding with unfiltered reference samples using different chroma formats

Publications (1)

Publication Number Publication Date
SG11202108954VA true SG11202108954VA (en) 2021-09-29

Family

ID=72423584

Family Applications (2)

Application Number Title Priority Date Filing Date
SG11202108954VA SG11202108954VA (en) 2019-03-15 2020-02-26 Video coding with unfiltered reference samples using different chroma formats
SG11202108953XA SG11202108953XA (en) 2019-03-15 2020-02-26 Video coding in triangular prediction unit mode using different chroma formats

Family Applications After (1)

Application Number Title Priority Date Filing Date
SG11202108953XA SG11202108953XA (en) 2019-03-15 2020-02-26 Video coding in triangular prediction unit mode using different chroma formats

Country Status (9)

Country Link
US (2) US12022095B2 (enExample)
EP (2) EP3939273A1 (enExample)
JP (2) JP7423647B2 (enExample)
KR (2) KR20210135515A (enExample)
CN (2) CN113924776B (enExample)
BR (2) BR112021017487A2 (enExample)
SG (2) SG11202108954VA (enExample)
TW (1) TW202044833A (enExample)
WO (2) WO2020190469A1 (enExample)

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WO2020139903A1 (en) * 2018-12-25 2020-07-02 Beijing Dajia Internet Information Technology Co., Ltd. Video coding with triangular shape prediction units
US12022095B2 (en) 2019-03-15 2024-06-25 Qualcomm Incorporated Video coding with unfiltered reference samples using different chroma formats
WO2020244503A1 (en) * 2019-06-03 2020-12-10 Beijing Bytedance Network Technology Co., Ltd. Intra block copy with triangular partitions
CN117499625A (zh) * 2019-09-01 2024-02-02 北京字节跳动网络技术有限公司 视频编解码中预测权重的对准
CN114424537B (zh) * 2019-09-05 2026-01-02 夏普株式会社 在视频编码中用于执行帧间预测编码的系统和方法
CN114556915B (zh) 2019-10-10 2023-11-10 北京字节跳动网络技术有限公司 几何分割模式中被编解码的块的去块
WO2025172993A1 (en) * 2024-02-15 2025-08-21 Cloudshare Ltd. Video streams decoding and rendering

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WO2002102050A2 (en) * 2001-06-12 2002-12-19 Digital Interactive Streams, Inc. System and method for enhancing digital video
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EP1969559B1 (en) * 2005-12-30 2018-09-05 Telecom Italia S.p.A. Contour finding in segmentation of video sequences
CN106101717B (zh) * 2010-01-12 2019-07-26 Lg电子株式会社 视频信号的处理方法和设备
EP2858367B1 (en) 2012-04-26 2018-12-05 Sony Corporation Predictive video coding with sub-pixel accuracy for different colour sampling formats
US20140192862A1 (en) * 2013-01-07 2014-07-10 Research In Motion Limited Methods and systems for prediction filtering in video coding
JP2015019257A (ja) * 2013-07-11 2015-01-29 三菱電機株式会社 カラー動画像符号化装置、カラー動画像復号装置、カラー動画像符号化方法及びカラー動画像復号方法
WO2015134360A1 (en) * 2014-03-03 2015-09-11 Sony Corporation Strong intra smoothing for in rext
EP4040791A1 (en) * 2015-06-08 2022-08-10 Vid Scale, Inc. Intra block copy mode for screen content coding
US10425648B2 (en) * 2015-09-29 2019-09-24 Qualcomm Incorporated Video intra-prediction using position-dependent prediction combination for video coding
WO2017123487A1 (en) * 2016-01-15 2017-07-20 Vid Scale, Inc. System and method for enhanced motion compensation using adaptive filtering
US10805607B2 (en) * 2016-04-29 2020-10-13 Industry Academy Cooperation Foundation Of Sejong University Video signal encoding/decoding method and apparatus
WO2018066984A1 (ko) * 2016-10-06 2018-04-12 김기백 영상 데이터 부호화/복호화 방법 및 장치
CN118413654A (zh) * 2017-11-28 2024-07-30 Lx 半导体科技有限公司 图像编码/解码设备、传输图像数据的设备和存储介质
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US12022095B2 (en) 2019-03-15 2024-06-25 Qualcomm Incorporated Video coding with unfiltered reference samples using different chroma formats

Also Published As

Publication number Publication date
BR112021017487A2 (pt) 2021-11-23
JP7423647B2 (ja) 2024-01-29
CN113924776B (zh) 2025-07-04
SG11202108953XA (en) 2021-09-29
EP3939273A1 (en) 2022-01-19
CN113557723A (zh) 2021-10-26
EP3939274A1 (en) 2022-01-19
JP2022524375A (ja) 2022-05-02
US20200296359A1 (en) 2020-09-17
US12022095B2 (en) 2024-06-25
TW202044833A (zh) 2020-12-01
JP2022523851A (ja) 2022-04-26
WO2020190468A1 (en) 2020-09-24
CN113557723B (zh) 2024-08-30
WO2020190469A1 (en) 2020-09-24
KR20210135515A (ko) 2021-11-15
US20200296389A1 (en) 2020-09-17
CN113924776A (zh) 2022-01-11
BR112021017485A2 (pt) 2021-11-23
US11134251B2 (en) 2021-09-28
KR20210134338A (ko) 2021-11-09

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