CN120786071A - 处理亮度和色度信号的方法和系统 - Google Patents

处理亮度和色度信号的方法和系统

Info

Publication number
CN120786071A
CN120786071A CN202511044348.5A CN202511044348A CN120786071A CN 120786071 A CN120786071 A CN 120786071A CN 202511044348 A CN202511044348 A CN 202511044348A CN 120786071 A CN120786071 A CN 120786071A
Authority
CN
China
Prior art keywords
chroma
block
residual
prediction
scaling factor
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
CN202511044348.5A
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English (en)
Chinese (zh)
Inventor
陈杰
叶琰
廖如伶
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.)
Alibaba China Co Ltd
Original Assignee
Alibaba Group Holding 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 Alibaba Group Holding Ltd filed Critical Alibaba Group Holding Ltd
Publication of CN120786071A publication Critical patent/CN120786071A/zh
Pending 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
    • H04N19/169—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
    • H04N19/102—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
    • H04N19/136—Incoming video signal characteristics or properties
    • 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
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/14—Coding unit complexity, e.g. amount of activity or edge presence estimation
    • 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
    • H04N19/70—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
CN202511044348.5A 2019-06-24 2020-05-29 处理亮度和色度信号的方法和系统 Pending CN120786071A (zh)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201962865815P 2019-06-24 2019-06-24
US62/865,815 2019-06-24
PCT/US2020/035049 WO2020263493A1 (en) 2019-06-24 2020-05-29 Method and system for processing luma and chroma signals
CN202080043294.XA CN114375582B (zh) 2019-06-24 2020-05-29 处理亮度和色度信号的方法和系统

Related Parent Applications (1)

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CN202080043294.XA Division CN114375582B (zh) 2019-06-24 2020-05-29 处理亮度和色度信号的方法和系统

Publications (1)

Publication Number Publication Date
CN120786071A true CN120786071A (zh) 2025-10-14

Family

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Family Applications (6)

Application Number Title Priority Date Filing Date
CN202511044348.5A Pending CN120786071A (zh) 2019-06-24 2020-05-29 处理亮度和色度信号的方法和系统
CN202511044347.0A Pending CN120786070A (zh) 2019-06-24 2020-05-29 处理亮度和色度信号的方法和系统
CN202511044346.6A Pending CN120786069A (zh) 2019-06-24 2020-05-29 处理亮度和色度信号的方法和系统
CN202080043294.XA Active CN114375582B (zh) 2019-06-24 2020-05-29 处理亮度和色度信号的方法和系统
CN202511044345.1A Pending CN120786068A (zh) 2019-06-24 2020-05-29 处理亮度和色度信号的方法和系统
CN202511044350.2A Pending CN120786072A (zh) 2019-06-24 2020-05-29 处理亮度和色度信号的方法和系统

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CN202511044347.0A Pending CN120786070A (zh) 2019-06-24 2020-05-29 处理亮度和色度信号的方法和系统
CN202511044346.6A Pending CN120786069A (zh) 2019-06-24 2020-05-29 处理亮度和色度信号的方法和系统
CN202080043294.XA Active CN114375582B (zh) 2019-06-24 2020-05-29 处理亮度和色度信号的方法和系统
CN202511044345.1A Pending CN120786068A (zh) 2019-06-24 2020-05-29 处理亮度和色度信号的方法和系统
CN202511044350.2A Pending CN120786072A (zh) 2019-06-24 2020-05-29 处理亮度和色度信号的方法和系统

Country Status (6)

Country Link
US (4) US11051022B2 (https=)
EP (1) EP3977737A4 (https=)
JP (2) JP7577078B2 (https=)
KR (1) KR20220024912A (https=)
CN (6) CN120786071A (https=)
WO (1) WO2020263493A1 (https=)

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Also Published As

Publication number Publication date
CN120786069A (zh) 2025-10-14
KR20220024912A (ko) 2022-03-03
EP3977737A4 (en) 2022-08-03
US11051022B2 (en) 2021-06-29
US20220132130A1 (en) 2022-04-28
JP2025016544A (ja) 2025-02-04
US12069271B2 (en) 2024-08-20
US20230353745A1 (en) 2023-11-02
CN114375582A (zh) 2022-04-19
US20200404278A1 (en) 2020-12-24
JP2022538747A (ja) 2022-09-06
EP3977737A1 (en) 2022-04-06
WO2020263493A1 (en) 2020-12-30
CN120786070A (zh) 2025-10-14
US20240397052A1 (en) 2024-11-28
US11711517B2 (en) 2023-07-25
JP7825687B2 (ja) 2026-03-06
JP7577078B2 (ja) 2024-11-01
CN120786072A (zh) 2025-10-14
CN114375582B (zh) 2025-08-08
CN120786068A (zh) 2025-10-14

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