CN117157974A - 图像和视频压缩中的交叉分量平面预测 - Google Patents

图像和视频压缩中的交叉分量平面预测 Download PDF

Info

Publication number
CN117157974A
CN117157974A CN202280010020.XA CN202280010020A CN117157974A CN 117157974 A CN117157974 A CN 117157974A CN 202280010020 A CN202280010020 A CN 202280010020A CN 117157974 A CN117157974 A CN 117157974A
Authority
CN
China
Prior art keywords
chroma
sample
block
chroma sample
predicted
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CN202280010020.XA
Other languages
English (en)
Chinese (zh)
Inventor
许晓中
刘杉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tencent America LLC
Original Assignee
Tencent America LLC
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 Tencent America LLC filed Critical Tencent America LLC
Publication of CN117157974A publication Critical patent/CN117157974A/zh
Pending legal-status Critical Current

Links

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
    • H04N19/10—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
    • H04N19/169—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
    • H04N19/10—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
    • H04N19/105—Selection 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
    • 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
    • H04N19/50—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
CN202280010020.XA 2022-01-31 2022-11-02 图像和视频压缩中的交叉分量平面预测 Pending CN117157974A (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US202263305168P 2022-01-31 2022-01-31
US63/305,168 2022-01-31
US17/976,470 2022-10-28
US17/976,470 US12052422B2 (en) 2022-01-31 2022-10-28 Cross-component planar prediction in image and video compression
PCT/US2022/079154 WO2023146688A1 (en) 2022-01-31 2022-11-02 Cross-component planar prediction in image and video compression

Publications (1)

Publication Number Publication Date
CN117157974A true CN117157974A (zh) 2023-12-01

Family

ID=87432926

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202280010020.XA Pending CN117157974A (zh) 2022-01-31 2022-11-02 图像和视频压缩中的交叉分量平面预测

Country Status (6)

Country Link
US (2) US12052422B2 (https=)
EP (1) EP4473727A4 (https=)
JP (1) JP2025503823A (https=)
KR (1) KR20230147202A (https=)
CN (1) CN117157974A (https=)
WO (1) WO2023146688A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12052422B2 (en) * 2022-01-31 2024-07-30 Tencent America LLC Cross-component planar prediction in image and video compression

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4404572A3 (en) * 2015-07-08 2024-10-16 InterDigital Madison Patent Holdings, SAS Enhanced chroma coding using cross plane filtering
US10484712B2 (en) * 2016-06-08 2019-11-19 Qualcomm Incorporated Implicit coding of reference line index used in intra prediction
MX2021003853A (es) * 2018-10-05 2021-09-08 Huawei Tech Co Ltd Método y dispositivo de intrapredicción.
PH12021551289A1 (en) * 2018-12-07 2022-03-21 Beijing Bytedance Network Tech Co Ltd Context-based intra prediction
US12052422B2 (en) * 2022-01-31 2024-07-30 Tencent America LLC Cross-component planar prediction in image and video compression

Also Published As

Publication number Publication date
JP2025503823A (ja) 2025-02-06
US20240340426A1 (en) 2024-10-10
EP4473727A4 (en) 2025-11-26
EP4473727A1 (en) 2024-12-11
KR20230147202A (ko) 2023-10-20
US12052422B2 (en) 2024-07-30
US12587650B2 (en) 2026-03-24
WO2023146688A1 (en) 2023-08-03
US20230247203A1 (en) 2023-08-03

Similar Documents

Publication Publication Date Title
CN113614736B (zh) 视频编解码的方法和装置
CN115866273B (zh) 视频编码、解码的方法、装置、计算机可读介质以及设备
CN111492661B (zh) 视频编解码方法、装置及存储介质
CN114666581B (zh) 视频编解码的方法、装置及存储介质
CN116320408B (zh) 用于视频解码、编码的方法、编码器、装置及可读介质
CN111988619B (zh) 视频编解码方法、装置、计算机设备和存储介质
CN113545084B (zh) 视频编解码的方法、装置以及存储介质
CN111010579B (zh) 基于成对平均运动矢量预测的视频解码方法和装置
CN114503570B (zh) 视频解码方法、装置、设备和介质
CN116868569B (zh) 视频编解码的方法、装置及存储介质
CN114979657B (zh) 视频解码的方法、装置、计算机设备及存储介质
CN113785564B (zh) 视频编解码的方法和装置
CN111836056B (zh) 视频编解码的方法和装置、计算机设备和存储介质
CN113632465B (zh) 视频解码方法、装置和存储介质
CN112470478A (zh) 编码单元分区约束
CN115550644B (zh) 视频编码的方法和装置、计算机设备和存储介质
CN113348668B (zh) 一种视频解码方法、装置及存储介质
CN113170208B (zh) 视频解码方法、装置和存储介质
CN114270857B (zh) 用于发信号通知跳过模式标志的方法和装置
CN113497940B (zh) 视频解码方法、装置、计算机设备及存储介质
CN113678378B (zh) 视频解码方法、视频解码器及非易失性计算机可读介质
CN113228649B (zh) 视频解码方法、装置以及存储介质
CN111726622B (zh) 视频编解码的方法、装置及介质
CN111726627B (zh) 视频解码方法、装置、计算机设备和存储介质
CN118660158A (zh) 视频编解码的方法和装置

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
REG Reference to a national code

Ref country code: HK

Ref legal event code: DE

Ref document number: 40098258

Country of ref document: HK