KR102937644B1 - 다중 참조 라인 인트라 예측, 변환 파티셔닝 및 변환 커널들 사이의 조화된 설계 - Google Patents

다중 참조 라인 인트라 예측, 변환 파티셔닝 및 변환 커널들 사이의 조화된 설계

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KR102937644B1
KR102937644B1 KR1020227038916A KR20227038916A KR102937644B1 KR 102937644 B1 KR102937644 B1 KR 102937644B1 KR 1020227038916 A KR1020227038916 A KR 1020227038916A KR 20227038916 A KR20227038916 A KR 20227038916A KR 102937644 B1 KR102937644 B1 KR 102937644B1
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transform
kernels
block
video
coding
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KR20230020392A (ko
Inventor
량 자오
신 자오
마두 페링어서리 크리쉬난
산 류
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텐센트 아메리카 엘엘씨
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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
    • H04N19/119—Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
    • 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
    • H04N19/12—Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
    • 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
    • H04N19/134—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
    • H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame 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
    • H04N19/169—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
    • 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]

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  • 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)
KR1020227038916A 2021-04-16 2022-01-28 다중 참조 라인 인트라 예측, 변환 파티셔닝 및 변환 커널들 사이의 조화된 설계 Active KR102937644B1 (ko)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US202163176049P 2021-04-16 2021-04-16
US63/176,049 2021-04-16
US17/571,284 2022-01-07
US17/571,284 US12108031B2 (en) 2021-04-16 2022-01-07 Harmonized design among multiple reference line intra prediction, transform partitioning and transform kernels
PCT/US2022/014277 WO2022220905A1 (en) 2021-04-16 2022-01-28 Harmonized design among multiple reference line intra prediction, transform partitioning and transform kernels

Publications (2)

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KR20230020392A KR20230020392A (ko) 2023-02-10
KR102937644B1 true KR102937644B1 (ko) 2026-03-11

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Country Status (6)

Country Link
US (1) US12108031B2 (https=)
EP (1) EP4115614A4 (https=)
JP (2) JP7506176B2 (https=)
KR (1) KR102937644B1 (https=)
CN (1) CN115486073B (https=)
WO (1) WO2022220905A1 (https=)

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PL4017008T3 (pl) * 2019-09-21 2024-08-26 Lg Electronics Inc. Kodowanie obrazu oparte na przekształceniu
US12108031B2 (en) * 2021-04-16 2024-10-01 Tencent America LLC Harmonized design among multiple reference line intra prediction, transform partitioning and transform kernels
CN117596399B (zh) * 2023-10-09 2024-10-22 小红书科技有限公司 变换参数确定方法、装置、电子设备及存储介质
US20250358427A1 (en) * 2024-05-20 2025-11-20 Tencent America LLC Techniques for transform kernel set selection/derivation

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US20200374531A1 (en) * 2019-05-22 2020-11-26 Tencent America LLC Method and apparatus for video coding

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EP2656507B1 (en) 2010-12-21 2017-05-24 Ntt Docomo, Inc. Enhanced intra-prediction coding using planar representations
WO2017190288A1 (en) 2016-05-04 2017-11-09 Microsoft Technology Licensing, Llc Intra-picture prediction using non-adjacent reference lines of sample values
US10419754B1 (en) 2018-04-02 2019-09-17 Tencent America LLC Method and apparatus for video decoding using multiple line intra prediction
KR102436368B1 (ko) * 2019-04-16 2022-08-25 엘지전자 주식회사 변환 인덱스를 이용하는 영상 코딩
US11134275B2 (en) 2019-06-04 2021-09-28 Tencent America LLC Method and apparatus for performing primary transform based on filtering of blocks
US11284071B2 (en) * 2019-12-12 2022-03-22 Google Llc Combination of mode-dependent and fixed transform types in video coding
US20220321909A1 (en) 2021-03-31 2022-10-06 Tencent America LLC Harmonized design between multiple reference line intra prediction and transform partitioning
US12108031B2 (en) * 2021-04-16 2024-10-01 Tencent America LLC Harmonized design among multiple reference line intra prediction, transform partitioning and transform kernels

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US20200374531A1 (en) * 2019-05-22 2020-11-26 Tencent America LLC Method and apparatus for video coding

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US12108031B2 (en) 2024-10-01
JP2024119954A (ja) 2024-09-03
WO2022220905A1 (en) 2022-10-20
EP4115614A1 (en) 2023-01-11
JP7506176B2 (ja) 2024-06-25
EP4115614A4 (en) 2024-03-06
KR20230020392A (ko) 2023-02-10
US20220345690A1 (en) 2022-10-27
CN115486073A (zh) 2022-12-16
JP7838766B2 (ja) 2026-04-01
CN115486073B (zh) 2025-03-07
JP2023525216A (ja) 2023-06-15

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