KR20230147202A - 이미지 및 비디오 압축에서의 교차 컴포넌트 평면 예측 - Google Patents

이미지 및 비디오 압축에서의 교차 컴포넌트 평면 예측 Download PDF

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Publication number
KR20230147202A
KR20230147202A KR1020237032653A KR20237032653A KR20230147202A KR 20230147202 A KR20230147202 A KR 20230147202A KR 1020237032653 A KR1020237032653 A KR 1020237032653A KR 20237032653 A KR20237032653 A KR 20237032653A KR 20230147202 A KR20230147202 A KR 20230147202A
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KR
South Korea
Prior art keywords
chroma
sample
block
chroma sample
predicted
Prior art date
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Pending
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KR1020237032653A
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English (en)
Korean (ko)
Inventor
샤오종 수
샨 리우
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텐센트 아메리카 엘엘씨
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Publication of KR20230147202A publication Critical patent/KR20230147202A/ko
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
    • H04N19/50—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
    • H04N19/10—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

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
KR1020237032653A 2022-01-31 2022-11-02 이미지 및 비디오 압축에서의 교차 컴포넌트 평면 예측 Pending KR20230147202A (ko)

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
KR20230147202A true KR20230147202A (ko) 2023-10-20

Family

ID=87432926

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020237032653A Pending KR20230147202A (ko) 2022-01-31 2022-11-02 이미지 및 비디오 압축에서의 교차 컴포넌트 평면 예측

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
CN117157974A (zh) 2023-12-01
US12052422B2 (en) 2024-07-30
US12587650B2 (en) 2026-03-24
WO2023146688A1 (en) 2023-08-03
US20230247203A1 (en) 2023-08-03

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