SG11202100113RA - Chroma block prediction method and device - Google Patents

Chroma block prediction method and device

Info

Publication number
SG11202100113RA
SG11202100113RA SG11202100113RA SG11202100113RA SG11202100113RA SG 11202100113R A SG11202100113R A SG 11202100113RA SG 11202100113R A SG11202100113R A SG 11202100113RA SG 11202100113R A SG11202100113R A SG 11202100113RA SG 11202100113R A SG11202100113R A SG 11202100113RA
Authority
SG
Singapore
Prior art keywords
prediction method
chroma block
block prediction
chroma
prediction
Prior art date
Application number
SG11202100113RA
Other languages
English (en)
Inventor
Xiang Ma
Haitao Yang
Jianle Chen
Original Assignee
Huawei Tech Co Ltd
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 Huawei Tech Co Ltd filed Critical Huawei Tech Co Ltd
Publication of SG11202100113RA publication Critical patent/SG11202100113RA/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
    • H04N19/10—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
    • H04N19/117—Filters, e.g. for pre-processing or post-processing
    • 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
    • H04N19/124—Quantisation
    • 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
    • H04N19/102—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
    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • 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
    • H04N19/44—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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
    • 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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/625—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using discrete cosine transform [DCT]
    • 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
    • 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
    • H04N19/96—Tree coding, e.g. quad-tree coding

Landscapes

  • 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)
SG11202100113RA 2018-09-05 2019-09-05 Chroma block prediction method and device SG11202100113RA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201811035923.5A CN110881126B (zh) 2018-09-05 2018-09-05 色度块预测方法以及设备
PCT/CN2019/104527 WO2020048507A1 (zh) 2018-09-05 2019-09-05 色度块预测方法以及设备

Publications (1)

Publication Number Publication Date
SG11202100113RA true SG11202100113RA (en) 2021-02-25

Family

ID=69721558

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11202100113RA SG11202100113RA (en) 2018-09-05 2019-09-05 Chroma block prediction method and device

Country Status (9)

Country Link
US (2) US11431991B2 (zh)
EP (1) EP3820152B1 (zh)
JP (2) JP7431803B2 (zh)
KR (2) KR20230098717A (zh)
CN (5) CN117915101A (zh)
BR (1) BR112021001991A2 (zh)
MX (1) MX2021002486A (zh)
SG (1) SG11202100113RA (zh)
WO (1) WO2020048507A1 (zh)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2022503990A (ja) 2018-10-12 2022-01-12 オッポ広東移動通信有限公司 ビデオ画像成分予測方法および装置、コンピュータ記憶媒体
US20220279161A1 (en) * 2019-05-03 2022-09-01 Electronics And Telecommunications Research Institute Image encoding/decoding method and device, and recording medium storing bitstream
CN113497937B (zh) * 2020-03-20 2023-09-05 Oppo广东移动通信有限公司 图像编码方法、图像解码方法及相关装置
CN115665409A (zh) * 2020-06-03 2023-01-31 北京达佳互联信息技术有限公司 对视频数据进行编码的方法和设备
CN113365067B (zh) * 2021-05-21 2023-03-14 中山大学 基于位置加权的色度线性预测方法、装置、设备及介质
WO2024061136A1 (en) * 2022-09-19 2024-03-28 Douyin Vision Co., Ltd. Method, apparatus, and medium for video processing

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102104594B1 (ko) * 2011-06-24 2020-04-24 엘지전자 주식회사 영상 정보 부호화 및 복호화 방법
SG10201408745YA (en) * 2011-06-28 2015-02-27 Samsung Electronics Co Ltd Prediction method and apparatus for chroma component of image using luma component of image
US9807403B2 (en) * 2011-10-21 2017-10-31 Qualcomm Incorporated Adaptive loop filtering for chroma components
CN103096057B (zh) * 2011-11-08 2016-06-29 华为技术有限公司 一种色度帧内预测方法和装置
CN103369315B (zh) * 2012-04-06 2016-08-24 华为技术有限公司 色度分量的帧内预测模式的编码、解码方法、设备及系统
CN107211121B (zh) * 2015-01-22 2020-10-23 联发科技（新加坡）私人有限公司 视频编码方法与视频解码方法
US10455249B2 (en) * 2015-03-20 2019-10-22 Qualcomm Incorporated Downsampling process for linear model prediction mode
US10652575B2 (en) * 2016-09-15 2020-05-12 Qualcomm Incorporated Linear model chroma intra prediction for video coding

Also Published As

Publication number Publication date
EP3820152A4 (en) 2021-05-12
MX2021002486A (es) 2021-05-12
CN111801943A (zh) 2020-10-20
JP2021535652A (ja) 2021-12-16
US11962787B2 (en) 2024-04-16
JP2023083292A (ja) 2023-06-15
JP7431803B2 (ja) 2024-02-15
CN110881126B (zh) 2024-01-30
CN111801943B (zh) 2021-08-31
KR102549670B1 (ko) 2023-06-29
BR112021001991A2 (pt) 2021-04-27
US20220368928A1 (en) 2022-11-17
EP3820152B1 (en) 2024-05-15
KR20210025107A (ko) 2021-03-08
WO2020048507A1 (zh) 2020-03-12
US11431991B2 (en) 2022-08-30
CN117896531A (zh) 2024-04-16
CN110881126A (zh) 2020-03-13
CN118018746A (zh) 2024-05-10
US20210160514A1 (en) 2021-05-27
KR20230098717A (ko) 2023-07-04
CN117915101A (zh) 2024-04-19
EP3820152A1 (en) 2021-05-12

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