JP7653415B2 - 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 - Google Patents

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 Download PDF

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JP7653415B2
JP7653415B2 JP2022514464A JP2022514464A JP7653415B2 JP 7653415 B2 JP7653415 B2 JP 7653415B2 JP 2022514464 A JP2022514464 A JP 2022514464A JP 2022514464 A JP2022514464 A JP 2022514464A JP 7653415 B2 JP7653415 B2 JP 7653415B2
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JP2022548521A (ja
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ルオ，ジャンコン
イエ，ヤン
サーヴァー，モハメッド，ゴラム
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アリババ グループ ホウルディング リミテッド
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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
    • 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
    • H04N19/117—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
    • H04N19/102—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
    • 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
    • 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
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    • 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
    • H04N19/182—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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
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    • 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
    • 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
    • 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
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    • 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
    • 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
    • H—ELECTRICITY
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    • 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
    • H04N19/523—Motion estimation or motion compensation with sub-pixel accuracy
    • 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
    • H04N19/587—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
    • 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

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JP2022514464A 2019-09-23 2020-08-20 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 Active JP7653415B2 (ja)

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JP2025041986A JP2025111417A (ja) 2019-09-23 2025-03-17 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
JP2025041985A JP2025111416A (ja) 2019-09-23 2025-03-17 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

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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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JP2025041986A Division JP2025111417A (ja) 2019-09-23 2025-03-17 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

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EP (1) EP4035384A4 (https=)
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2025111416A (ja) * 2019-09-23 2025-07-30 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

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4082195A4 (en) * 2019-12-24 2023-06-28 Beijing Dajia Internet Information Technology Co., Ltd. Methods and apparatuses for reference picture resampling
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
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
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

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020228660A1 (en) 2019-05-11 2020-11-19 Beijing Bytedance Network Technology Co., Ltd. Selective use of coding tools in video processing
WO2020263499A1 (en) 2019-06-24 2020-12-30 Alibaba Group Holding Limited Adaptive resolution change in video processing
WO2021026363A1 (en) 2019-08-06 2021-02-11 Op Solutions, Llc Implicit signaling of adaptive resolution management based on frame type

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1388143A2 (en) * 2001-05-16 2004-02-11 Telefonaktiebolaget LM Ericsson (publ) A method for removing aliasing in wave table based synthesisers
AU2003253900A1 (en) * 2002-07-16 2004-02-02 Thomson Licensing S.A. Interleaving of base and enhancement layers for hd-dvd
KR100624429B1 (ko) * 2003-07-16 2006-09-19 삼성전자주식회사 칼라 영상을 위한 비디오 부호화/복호화 장치 및 그 방법
CN101677402B (zh) * 2004-09-16 2012-04-18 汤姆逊许可证公司 用于快速视频帧和场编码的方法和装置
US7715573B1 (en) 2005-02-28 2010-05-11 Texas Instruments Incorporated Audio bandwidth expansion
US7956930B2 (en) 2006-01-06 2011-06-07 Microsoft Corporation Resampling and picture resizing operations for multi-resolution video coding and decoding
US7746924B2 (en) * 2006-05-09 2010-06-29 Hewlett-Packard Development Company, L.P. Determination of filter weights
US7907789B2 (en) * 2007-01-05 2011-03-15 Freescale Semiconductor, Inc. Reduction of block effects in spatially re-sampled image information for block-based image coding
WO2011128272A2 (en) * 2010-04-13 2011-10-20 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Hybrid video decoder, hybrid video encoder, data stream
CN104980738B (zh) * 2010-09-30 2017-04-12 三星电子株式会社 通过使用平滑插值滤波器对图像进行插值的方法和装置
GB2501535A (en) * 2012-04-26 2013-10-30 Sony Corp Chrominance Processing in High Efficiency Video Codecs
US9596465B2 (en) * 2013-01-04 2017-03-14 Intel Corporation Refining filter for inter layer prediction of scalable video coding
MY187403A (en) * 2015-09-25 2021-09-22 Huawei Tech Co Ltd Apparatus and method for video motion compensation with selectable interpolation filter
WO2017069588A1 (ko) * 2015-10-22 2017-04-27 엘지전자(주) 영상의 부호화/복호화 방법 및 이를 위한 장치
EP3185556A1 (en) 2015-12-21 2017-06-28 Thomson Licensing Method and apparatus for combined adaptive resolution and internal bit-depth increase coding
GB2548358A (en) * 2016-03-15 2017-09-20 Nokia Technologies Oy A method, an apparatus and a computer program product for coding a 360-degree panoramic images and video
KR102393736B1 (ko) * 2017-04-04 2022-05-04 한국전자통신연구원 영상 부호화 및 복호화 장치
CN114616826B (zh) 2019-08-06 2026-04-28 Op方案有限责任公司 基于帧类型的自适应分辨率管理的隐式标识
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

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020228660A1 (en) 2019-05-11 2020-11-19 Beijing Bytedance Network Technology Co., Ltd. Selective use of coding tools in video processing
WO2020263499A1 (en) 2019-06-24 2020-12-30 Alibaba Group Holding Limited Adaptive resolution change in video processing
WO2021026363A1 (en) 2019-08-06 2021-02-11 Op Solutions, Llc Implicit signaling of adaptive resolution management based on frame type

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
Hendry, et al.，AHG19: Adaptive resolution change (ARC) support in VVC，Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11，JVET-N0118-v3，14th Meeting: Geneva, CH，2019年03月，pp.1-8
J. Samuelsson, S. Deshpande, and A. Segall，AHG 8: Adaptive Resolution Change (ARC) with downsampling，Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11，JVET-O0240-v1，15th Meeting: Gothenburg, SE，2019年07月，pp.1-10
Jiancong Luo, Yan Ye, and Mohammed Golam Sarwer，CE1-related: Reference picture resampling filters，Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11，JVET-P0353-v5，16th Meeting: Geneva, CH，2019年10月，pp.1-8
Jie Dong, Yong He, and Yan Ye，Downsampling filters for anchor generation for scalable extensions of HEVC，ISO/IEC JTC1/SC29/WG11 CODING OF MOVING PICTURES AND AUDIO，MPEG2012/M23485，2012年02月，pp.1-5

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2025111416A (ja) * 2019-09-23 2025-07-30 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
JP2025111417A (ja) * 2019-09-23 2025-07-30 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

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CN120416507A (zh) 2025-08-01
WO2021061312A1 (en) 2021-04-01
US20210092457A1 (en) 2021-03-25
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
KR20220063274A (ko) 2022-05-17
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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