JP7520328B2 - ビデオコーディングのための方法、装置およびコンピュータプログラム - Google Patents

ビデオコーディングのための方法、装置およびコンピュータプログラム Download PDF

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JP7520328B2
JP7520328B2 JP2022549019A JP2022549019A JP7520328B2 JP 7520328 B2 JP7520328 B2 JP 7520328B2 JP 2022549019 A JP2022549019 A JP 2022549019A JP 2022549019 A JP2022549019 A JP 2022549019A JP 7520328 B2 JP7520328 B2 JP 7520328B2
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transform
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JP2023513772A (ja
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マドゥー・ペリンガーサリー・クリシュナン
シン・ジャオ
シャン・リュウ
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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
    • H04N19/11—Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
    • 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
    • H04N19/122—Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
    • 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
    • H04N19/10—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
    • H04N19/184—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 bits, e.g. of the compressed video stream
    • 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]
    • 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
    • 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
    • H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • 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
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic coding

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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)
JP2022549019A 2020-11-11 2021-06-29 ビデオコーディングのための方法、装置およびコンピュータプログラム Active JP7520328B2 (ja)

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US202063112529P 2020-11-11 2020-11-11
US63/112,529 2020-11-11
US17/360,431 2021-06-28
US17/360,431 US11930186B2 (en) 2020-11-11 2021-06-28 Method and apparatus for video coding
PCT/US2021/039633 WO2022103444A1 (en) 2020-11-11 2021-06-29 Method and apparatus for video coding

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WO2024020117A1 (en) * 2022-07-19 2024-01-25 Google Llc Dependent context model for transform types
WO2024049024A1 (ko) * 2022-08-29 2024-03-07 현대자동차주식회사 1차 변환 커널에 적응적인 분리 불가능한 2차 변환 기반 비디오 코딩을 위한 방법 및 장치
US20250047849A1 (en) * 2023-08-02 2025-02-06 Tencent America LLC Methods and systems for signaling and performing secondary transforms
US20250233992A1 (en) * 2024-01-12 2025-07-17 Tencent America LLC List construction and signaling of transform types and transform sets

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JP2018530247A (ja) 2015-09-29 2018-10-11 クゥアルコム・インコーポレイテッドＱｕａｌｃｏｍｍ Ｉｎｃｏｒｐｏｒａｔｅｄ 再編成を備えるビデオコーディングのための非分離可能２次変換
US20180309990A1 (en) 2015-10-13 2018-10-25 Samsung Electronics Co., Ltd. Method and device for encoding or decoding image
US20190387241A1 (en) 2018-06-03 2019-12-19 Lg Electronics Inc. Method and apparatus for processing video signals using reduced transform
US20200304782A1 (en) 2019-03-21 2020-09-24 Tencent America LLC Method and apparatus for video coding

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MY181285A (en) * 2012-07-02 2020-12-21 Samsung Electronics Co Ltd Method and apparatus for entropy coding video and method and apparatus for entropy decoding video
CN117412043A (zh) * 2016-07-13 2024-01-16 韩国电子通信研究院 图像编码/解码方法和装置
WO2018174402A1 (ko) * 2017-03-21 2018-09-27 엘지전자 주식회사 영상 코딩 시스템에서 변환 방법 및 그 장치
KR20240040133A (ko) * 2018-04-01 2024-03-27 엘지전자 주식회사 분할된 블록에 2차 변환을 적용하여 비디오 신호를 처리하는 방법 및 장치
AU2018204775A1 (en) * 2018-06-29 2020-01-16 Canon Kabushiki Kaisha Method, apparatus and system for encoding and decoding a transformed block of video samples
KR20250029279A (ko) * 2018-07-02 2025-03-04 광동 오포 모바일 텔레커뮤니케이션즈 코포레이션 리미티드 이차 변환을 기반으로 비디오 신호를 처리하는 방법 및 장치
JP2020053924A (ja) * 2018-09-28 2020-04-02 シャープ株式会社 動画像符号化装置、動画像復号装置
KR102392701B1 (ko) * 2019-01-15 2022-04-28 엘지전자 주식회사 변환 스킵 플래그를 이용한 영상 코딩 방법 및 장치

Patent Citations (5)

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Publication number Priority date Publication date Assignee Title
JP2018530247A (ja) 2015-09-29 2018-10-11 クゥアルコム・インコーポレイテッドＱｕａｌｃｏｍｍ Ｉｎｃｏｒｐｏｒａｔｅｄ 再編成を備えるビデオコーディングのための非分離可能２次変換
JP2018530245A (ja) 2015-09-29 2018-10-11 クゥアルコム・インコーポレイテッドＱｕａｌｃｏｍｍ Ｉｎｃｏｒｐｏｒａｔｅｄ ビデオコーディングのための非分離可能２次変換
US20180309990A1 (en) 2015-10-13 2018-10-25 Samsung Electronics Co., Ltd. Method and device for encoding or decoding image
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US20200304782A1 (en) 2019-03-21 2020-09-24 Tencent America LLC Method and apparatus for video coding

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US20220150510A1 (en) 2022-05-12
CN115088260A (zh) 2022-09-20
US11930186B2 (en) 2024-03-12
JP2023513772A (ja) 2023-04-03
JP7817307B2 (ja) 2026-02-18
US12452433B2 (en) 2025-10-21
CN120935359A (zh) 2025-11-11
US20260032259A1 (en) 2026-01-29
US20240163455A1 (en) 2024-05-16
EP4055828A1 (en) 2022-09-14
KR20220100726A (ko) 2022-07-15
JP2024074928A (ja) 2024-05-31
EP4055828A4 (en) 2023-03-08
WO2022103444A1 (en) 2022-05-19

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