KR20220133319A - 인트라 픽처 블록 보상을 위한 참조 샘플 메모리 재사용 방법 및 장치 - Google Patents

인트라 픽처 블록 보상을 위한 참조 샘플 메모리 재사용 방법 및 장치 Download PDF

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KR20220133319A
KR20220133319A KR1020227032873A KR20227032873A KR20220133319A KR 20220133319 A KR20220133319 A KR 20220133319A KR 1020227032873 A KR1020227032873 A KR 1020227032873A KR 20227032873 A KR20227032873 A KR 20227032873A KR 20220133319 A KR20220133319 A KR 20220133319A
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video
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Korean (ko)
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샤오중 쉬
산 류
샹 리
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텐센트 아메리카 엘엘씨
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Priority to KR1020257040577A priority Critical patent/KR20250173594A/ko
Priority to KR1020257040578A priority patent/KR20250173595A/ko
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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
    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • H04N19/45—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder performing compensation of the inverse transform mismatch, e.g. Inverse Discrete Cosine Transform [IDCT] mismatch
    • 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
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • H04N19/423—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation characterised by memory arrangements
    • 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
    • H04N19/12—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
    • H04N19/134—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
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • 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
    • H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • H04N19/82—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop
    • 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
    • H04N19/96—Tree coding, e.g. quad-tree 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)
  • Magnetic Heads (AREA)
  • Color Television Systems (AREA)
KR1020227032873A 2019-01-13 2020-01-13 인트라 픽처 블록 보상을 위한 참조 샘플 메모리 재사용 방법 및 장치 Ceased KR20220133319A (ko)

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KR1020257040577A KR20250173594A (ko) 2019-01-13 2020-01-13 인트라 픽처 블록 보상을 위한 참조 샘플 메모리 재사용 방법 및 장치
KR1020257040578A KR20250173595A (ko) 2019-01-13 2020-01-13 인트라 픽처 블록 보상을 위한 참조 샘플 메모리 재사용 방법 및 장치

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US201962791862P 2019-01-13 2019-01-13
US62/791,862 2019-01-13
US16/502,822 US10701385B1 (en) 2019-01-13 2019-07-03 Method and apparatus for reference sample memory reuse for intra picture block compensation
US16/502,822 2019-07-03
KR1020217020284A KR102447508B1 (ko) 2019-01-13 2020-01-13 인트라 픽처 블록 보상을 위한 참조 샘플 메모리 재사용 방법 및 장치
PCT/US2020/013355 WO2020146882A1 (en) 2019-01-13 2020-01-13 Method and apparatus for reference sample memory reuse for intra picture block compensation

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KR1020257040577A Division KR20250173594A (ko) 2019-01-13 2020-01-13 인트라 픽처 블록 보상을 위한 참조 샘플 메모리 재사용 방법 및 장치
KR1020257040578A Division KR20250173595A (ko) 2019-01-13 2020-01-13 인트라 픽처 블록 보상을 위한 참조 샘플 메모리 재사용 방법 및 장치

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KR20220133319A true KR20220133319A (ko) 2022-10-04

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KR1020227032873A Ceased KR20220133319A (ko) 2019-01-13 2020-01-13 인트라 픽처 블록 보상을 위한 참조 샘플 메모리 재사용 방법 및 장치
KR1020217020284A Active KR102447508B1 (ko) 2019-01-13 2020-01-13 인트라 픽처 블록 보상을 위한 참조 샘플 메모리 재사용 방법 및 장치
KR1020257040578A Pending KR20250173595A (ko) 2019-01-13 2020-01-13 인트라 픽처 블록 보상을 위한 참조 샘플 메모리 재사용 방법 및 장치
KR1020257040577A Pending KR20250173594A (ko) 2019-01-13 2020-01-13 인트라 픽처 블록 보상을 위한 참조 샘플 메모리 재사용 방법 및 장치

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KR1020257040578A Pending KR20250173595A (ko) 2019-01-13 2020-01-13 인트라 픽처 블록 보상을 위한 참조 샘플 메모리 재사용 방법 및 장치
KR1020257040577A Pending KR20250173594A (ko) 2019-01-13 2020-01-13 인트라 픽처 블록 보상을 위한 참조 샘플 메모리 재사용 방법 및 장치

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US (6) US10701385B1 (enExample)
EP (1) EP3763126A4 (enExample)
JP (3) JP7027617B2 (enExample)
KR (4) KR20220133319A (enExample)
CN (2) CN113273200B (enExample)
WO (1) WO2020146882A1 (enExample)

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WO2016049834A1 (en) 2014-09-30 2016-04-07 Microsoft Technology Licensing, Llc Hash-based encoder decisions for video coding
US10848782B2 (en) 2018-09-21 2020-11-24 Tencent America LLC Method and apparatus for video coding
US10701385B1 (en) 2019-01-13 2020-06-30 Tencent America LLC Method and apparatus for reference sample memory reuse for intra picture block compensation
US10771799B2 (en) 2019-01-15 2020-09-08 Tencent America LLC Method and apparatus for video coding
JP7205038B2 (ja) * 2019-03-04 2023-01-17 ホアウェイ・テクノロジーズ・カンパニー・リミテッド 任意のｃｔｕサイズのためのｉｂｃ検索範囲最適化を用いるエンコーダ、デコーダおよび対応する方法
JP7267404B2 (ja) * 2019-03-09 2023-05-01 テンセント・アメリカ・エルエルシー ビデオを符号化及び復号する方法、並びにその装置及びコンピュータプログラム
CN115606181B (zh) 2020-03-21 2026-05-05 抖音视界有限公司 一种视频处理方法、装置及记录介质
EP4128794A4 (en) 2020-04-19 2023-12-27 Beijing Bytedance Network Technology Co., Ltd. RESIDUAL CODING OF TRANSFORMATION SKIPS
US11202085B1 (en) * 2020-06-12 2021-12-14 Microsoft Technology Licensing, Llc Low-cost hash table construction and hash-based block matching for variable-size blocks
JP7518216B2 (ja) * 2020-06-20 2024-07-17 北京字節跳動網絡技術有限公司 異なるコーディングブロックサイズを有するインターレイヤ予測
CN119545002A (zh) 2020-08-20 2025-02-28 腾讯科技（深圳）有限公司 视频解码方法、视频编码方法、装置、设备及存储介质
US11496729B2 (en) * 2020-10-19 2022-11-08 Tencent America LLC Method and apparatus for video coding
US11503336B2 (en) 2020-12-07 2022-11-15 Tencent America LLC Method and apparatus for video coding
US11979560B2 (en) * 2021-08-25 2024-05-07 Tencent America LLC Intra block copy with an adaptive local reference range
US12604008B2 (en) * 2023-11-22 2026-04-14 Tencent America LLC Adaptive clipping in models parameters derivations methods for video compression

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AU2013228045A1 (en) * 2013-09-13 2015-04-02 Canon Kabushiki Kaisha Method, apparatus and system for encoding and decoding video data
CN105430417B (zh) * 2014-09-22 2020-02-07 中兴通讯股份有限公司 编码方法、解码方法、装置及电子设备
EP3269142B1 (en) * 2015-04-13 2021-09-15 MediaTek Inc. Methods of constrained intra block copy for reducing worst case bandwidth in video coding
US10848782B2 (en) * 2018-09-21 2020-11-24 Tencent America LLC Method and apparatus for video coding
US11509919B2 (en) * 2018-10-17 2022-11-22 Tencent America Reference sample memory size restrictions for intra block copy
US10701385B1 (en) 2019-01-13 2020-06-30 Tencent America LLC Method and apparatus for reference sample memory reuse for intra picture block compensation

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CN116016914B (zh) 2025-02-07
US11785240B2 (en) 2023-10-10
JP7612814B2 (ja) 2025-01-14
JP2024016276A (ja) 2024-02-06
US20200288160A1 (en) 2020-09-10
US20200228818A1 (en) 2020-07-16
KR20210089785A (ko) 2021-07-16
CN116016914A (zh) 2023-04-25
JP2022059032A (ja) 2022-04-12
JP7027617B2 (ja) 2022-03-01
US11039158B2 (en) 2021-06-15
KR20250173594A (ko) 2025-12-10
US20230412829A1 (en) 2023-12-21
JP7391121B2 (ja) 2023-12-04
US20230007289A1 (en) 2023-01-05
WO2020146882A1 (en) 2020-07-16
EP3763126A4 (en) 2022-03-02
EP3763126A1 (en) 2021-01-13
US12167011B2 (en) 2024-12-10
KR102447508B1 (ko) 2022-09-27
US10701385B1 (en) 2020-06-30
KR20250173595A (ko) 2025-12-10
CN113273200B (zh) 2022-11-29
JP2022508273A (ja) 2022-01-19
US20210258596A1 (en) 2021-08-19
US20250080767A1 (en) 2025-03-06
CN113273200A (zh) 2021-08-17
US11483581B2 (en) 2022-10-25

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