KR20220063274A - 참조 다운-샘플링을 통한 움직임 보상 보간을 위한 필터 - Google Patents

참조 다운-샘플링을 통한 움직임 보상 보간을 위한 필터 Download PDF

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KR20220063274A
KR20220063274A KR1020227013654A KR20227013654A KR20220063274A KR 20220063274 A KR20220063274 A KR 20220063274A KR 1020227013654 A KR1020227013654 A KR 1020227013654A KR 20227013654 A KR20227013654 A KR 20227013654A KR 20220063274 A KR20220063274 A KR 20220063274A
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filter
picture
band
sampling
tap
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지안콩 루오
얀 예
모함메드 고램 사르워
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알리바바 그룹 홀딩 리미티드
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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
    • H04N19/59—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial sub-sampling or interpolation, e.g. alteration of picture size or resolution
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
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    • 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
    • H04N19/117—Filters, e.g. for pre-processing or post-processing
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    • 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
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    • H—ELECTRICITY
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    • 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
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    • H04N19/182—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 pixel
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    • 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
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    • H04N19/51—Motion estimation or motion compensation
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    • H04N19/513—Processing of motion vectors
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    • H04N19/523—Motion estimation or motion compensation with sub-pixel accuracy
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    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
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    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/587—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal sub-sampling or interpolation, e.g. decimation or subsequent interpolation of pictures in a video sequence
    • 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
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    • 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

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
KR1020227013654A 2019-09-23 2020-08-20 참조 다운-샘플링을 통한 움직임 보상 보간을 위한 필터 Pending KR20220063274A (ko)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201962904608P 2019-09-23 2019-09-23
US62/904,608 2019-09-23
US201962906930P 2019-09-27 2019-09-27
US62/906,930 2019-09-27
PCT/US2020/047249 WO2021061312A1 (en) 2019-09-23 2020-08-20 Filters for motion compensation interpolation with reference down-sampling

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KR20220063274A true KR20220063274A (ko) 2022-05-17

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US (5) US11317122B2 (https=)
EP (1) EP4035384A4 (https=)
JP (3) JP7653415B2 (https=)
KR (1) KR20220063274A (https=)
CN (9) CN120547351A (https=)
WO (1) WO2021061312A1 (https=)

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WO2025170457A1 (ko) * 2024-02-08 2025-08-14 엘지전자 주식회사 영상 인코딩/디코딩 방법 및 장치, 그리고 비트스트림을 저장한 기록 매체
WO2025193012A1 (ko) * 2024-03-15 2025-09-18 엘지전자 주식회사 영상 인코딩/디코딩 방법 및 장치, 그리고 비트스트림을 저장한 기록 매체

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US12519937B2 (en) * 2022-03-04 2026-01-06 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Integerization for interpolation filter design in video coding
US12519973B2 (en) * 2023-12-18 2026-01-06 Sharp Kabushiki Kaisha Systems and methods for performing motion compensation for bi-prediction in video coding
US12401829B1 (en) * 2024-04-05 2025-08-26 Sharp Kabushiki Kaisha Systems and methods for performing motion compensation for bi-prediction in video coding
US12519936B2 (en) * 2024-06-20 2026-01-06 Sharp Kabushiki Kaisha Systems and methods for performing motion compensation for bi-prediction based on subblock dimensions in video coding

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JP7653415B2 (ja) * 2019-09-23 2025-03-28 アリババ グループ ホウルディング リミテッド 参照ダウンサンプリングありの動き補償補間のためのフィルタ

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2025170457A1 (ko) * 2024-02-08 2025-08-14 엘지전자 주식회사 영상 인코딩/디코딩 방법 및 장치, 그리고 비트스트림을 저장한 기록 매체
WO2025193012A1 (ko) * 2024-03-15 2025-09-18 엘지전자 주식회사 영상 인코딩/디코딩 방법 및 장치, 그리고 비트스트림을 저장한 기록 매체

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CN120416507A (zh) 2025-08-01
WO2021061312A1 (en) 2021-04-01
US20210092457A1 (en) 2021-03-25
JP7653415B2 (ja) 2025-03-28
CN114667734B (zh) 2025-07-11
CN120416506A (zh) 2025-08-01
US20250324102A1 (en) 2025-10-16
CN120416503A (zh) 2025-08-01
JP2022548521A (ja) 2022-11-21
CN120416508A (zh) 2025-08-01
CN114667734A (zh) 2022-06-24
US20250324101A1 (en) 2025-10-16
CN120416505A (zh) 2025-08-01
CN120547351A (zh) 2025-08-26
CN120547352A (zh) 2025-08-26
JP2025111416A (ja) 2025-07-30
US11889121B2 (en) 2024-01-30
US11317122B2 (en) 2022-04-26
JP2025111417A (ja) 2025-07-30
US20240137575A1 (en) 2024-04-25
US12348785B2 (en) 2025-07-01
US20220239952A1 (en) 2022-07-28
EP4035384A1 (en) 2022-08-03
EP4035384A4 (en) 2023-08-16
CN120416504A (zh) 2025-08-01

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