JP7506176B2 - ビデオ情報を処理するための方法及びコンピュータプログラム - Google Patents

ビデオ情報を処理するための方法及びコンピュータプログラム Download PDF

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JP7506176B2
JP7506176B2 JP2022561078A JP2022561078A JP7506176B2 JP 7506176 B2 JP7506176 B2 JP 7506176B2 JP 2022561078 A JP2022561078 A JP 2022561078A JP 2022561078 A JP2022561078 A JP 2022561078A JP 7506176 B2 JP7506176 B2 JP 7506176B2
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transform
block
kernels
coding
video
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JP2023525216A (ja
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ジャオ，リアン
ジャオ，シン
マドゥ ペリンガセリー，クリシュナン
リウ，シャン
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Tencent America LLC
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Tencent America LLC
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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)
JP2022561078A 2021-04-16 2022-01-28 ビデオ情報を処理するための方法及びコンピュータプログラム Active JP7506176B2 (ja)

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JP2024095610A JP7838766B2 (ja) 2021-04-16 2024-06-13 ビデオ情報を処理するための方法及びコンピュータプログラム

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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

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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

Citations (3)

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Publication number Priority date Publication date Assignee Title
US20190141318A1 (en) 2016-05-04 2019-05-09 Microsoft Technology Licensing, Llc Intra-picture prediction using non-adjacent reference lines of sample values
WO2019194950A2 (en) 2018-04-02 2019-10-10 Tencent America Llc. Method and apparatus for video coding
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
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

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20190141318A1 (en) 2016-05-04 2019-05-09 Microsoft Technology Licensing, Llc Intra-picture prediction using non-adjacent reference lines of sample values
WO2019194950A2 (en) 2018-04-02 2019-10-10 Tencent America Llc. Method and apparatus for video coding
JP2021518078A (ja) 2018-04-02 2021-07-29 テンセント・アメリカ・エルエルシー ビデオを復号する方法、装置およびコンピュータプログラム
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
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
KR102937644B1 (ko) 2026-03-11

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