JP2025508535A - ビデオ符号化における補間フィルタ設計のための整数化 - Google Patents

ビデオ符号化における補間フィルタ設計のための整数化 Download PDF

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JP2025508535A
JP2025508535A JP2024552444A JP2024552444A JP2025508535A JP 2025508535 A JP2025508535 A JP 2025508535A JP 2024552444 A JP2024552444 A JP 2024552444A JP 2024552444 A JP2024552444 A JP 2024552444A JP 2025508535 A JP2025508535 A JP 2025508535A
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filter
interpolation
candidate
integer
video
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JP2024552444A
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Japanese (ja)
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JP2025508535A5 (https=
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ジョナサン、ガン
ユイ、ユエ
ユイ、ハオピン
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Publication of JP2025508535A publication Critical patent/JP2025508535A/ja
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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
    • H04N19/80—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
    • H04N19/10—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
    • 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
    • H04N19/136—Incoming video signal characteristics or properties
    • 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
    • H04N19/172—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 picture, frame or field
    • 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
    • H04N19/503—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
    • H04N19/513—Processing of motion vectors
    • H04N19/517—Processing of motion vectors by encoding
    • H04N19/52—Processing of motion vectors by encoding by predictive encoding
    • 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
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00—Networks using digital techniques
    • H03H17/02—Frequency selective networks
    • H03H17/0219—Compensation of undesirable effects, e.g. quantisation noise, overflow
    • H03H2017/022—Rounding error

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2024552444A 2022-03-04 2023-03-02 ビデオ符号化における補間フィルタ設計のための整数化 Pending JP2025508535A (ja)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US202263268919P 2022-03-04 2022-03-04
US63/268,919 2022-03-04
US202263362824P 2022-04-11 2022-04-11
US63/362,824 2022-04-11
US202263362958P 2022-04-13 2022-04-13
US63/362,958 2022-04-13
PCT/US2023/063612 WO2023168358A2 (en) 2022-03-04 2023-03-02 Integerization for interpolation filter design in video coding

Publications (2)

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JP2025508535A true JP2025508535A (ja) 2025-03-26
JP2025508535A5 JP2025508535A5 (https=) 2026-02-20

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US (2) US12519937B2 (https=)
EP (1) EP4487225A4 (https=)
JP (1) JP2025508535A (https=)
MX (1) MX2024010808A (https=)
WO (1) WO2023168358A2 (https=)

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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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Publication number Priority date Publication date Assignee Title
US8416861B2 (en) * 2007-10-14 2013-04-09 Nokia Corporation Fixed-point implementation of an adaptive image filter with high coding efficiency
KR101678968B1 (ko) 2009-08-21 2016-11-25 에스케이텔레콤 주식회사 참조 픽처 보간 방법 및 장치와 그를 이용한 영상 부호화/복호화 방법 및 장치
KR102351582B1 (ko) * 2013-05-23 2022-01-14 엑셀러지 코포레이션 바이오매스로부터의 연료 및 생물비료의 생산
US10341659B2 (en) * 2016-10-05 2019-07-02 Qualcomm Incorporated Systems and methods of switching interpolation filters
CN107896330B (zh) * 2017-11-29 2019-08-13 北京大学深圳研究生院 一种用于帧内和帧间预测的滤波方法
JP7109558B2 (ja) * 2018-02-14 2022-07-29 ホアウェイ・テクノロジーズ・カンパニー・リミテッド 適応型補間フィルタ
PL3847815T3 (pl) * 2018-09-16 2024-03-11 Huawei Technologies Co., Ltd. Sposób i aparat do predykcji
CN111010568B (zh) * 2018-10-06 2023-09-29 华为技术有限公司 插值滤波器的训练方法、装置及视频图像编解码方法、编解码器
AU2019401811B2 (en) * 2018-12-21 2023-11-23 Huawei Technologies Co., Ltd. Method and apparatus of interpolation filtering for predictive coding
US11044480B2 (en) * 2019-01-24 2021-06-22 Google Llc More accurate 2-tap interpolation filters for video compression
CN117956148A (zh) * 2019-03-08 2024-04-30 佳能株式会社 自适应环路滤波器
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
US11218724B2 (en) * 2019-09-24 2022-01-04 Alibaba Group Holding Limited Motion compensation methods for video coding
US20210176486A1 (en) * 2019-12-09 2021-06-10 Alibaba Group Holding Limited Methods and apparatuses for motion compensation

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US12519937B2 (en) 2026-01-06
WO2023168358A2 (en) 2023-09-07
EP4487225A2 (en) 2025-01-08
EP4487225A4 (en) 2026-03-11
WO2023168358A3 (en) 2023-10-26
US20260106979A1 (en) 2026-04-16
MX2024010808A (es) 2024-09-17
US20250193386A1 (en) 2025-06-12

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