JP2025503823A - 画像および映像圧縮におけるクロスコンポーネント平面予測 - Google Patents

画像および映像圧縮におけるクロスコンポーネント平面予測 Download PDF

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JP2025503823A
JP2025503823A JP2023561074A JP2023561074A JP2025503823A JP 2025503823 A JP2025503823 A JP 2025503823A JP 2023561074 A JP2023561074 A JP 2023561074A JP 2023561074 A JP2023561074 A JP 2023561074A JP 2025503823 A JP2025503823 A JP 2025503823A
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chroma
sample
block
chroma sample
samples
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JP2023561074A
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Japanese (ja)
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JP2025503823A5 (https=
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シャオジョン・シュ
シャン・リュウ
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Tencent America LLC
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Tencent America LLC
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Publication of JP2025503823A publication Critical patent/JP2025503823A/ja
Publication of JP2025503823A5 publication Critical patent/JP2025503823A5/ja
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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
    • H04N19/103—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
    • H04N19/157—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
    • H04N19/50—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

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2023561074A 2022-01-31 2022-11-02 画像および映像圧縮におけるクロスコンポーネント平面予測 Pending JP2025503823A (ja)

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 (2)

Publication Number Publication Date
JP2025503823A true JP2025503823A (ja) 2025-02-06
JP2025503823A5 JP2025503823A5 (https=) 2025-11-11

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JP2023561074A Pending JP2025503823A (ja) 2022-01-31 2022-11-02 画像および映像圧縮におけるクロスコンポーネント平面予測

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

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US20240340426A1 (en) 2024-10-10
EP4473727A4 (en) 2025-11-26
EP4473727A1 (en) 2024-12-11
CN117157974A (zh) 2023-12-01
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

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