JP7106661B2 - 映像圧縮におけるイントラ予測のための参照サンプルパディング及びフィルタリング - Google Patents

映像圧縮におけるイントラ予測のための参照サンプルパディング及びフィルタリング Download PDF

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JP7106661B2
JP7106661B2 JP2020543619A JP2020543619A JP7106661B2 JP 7106661 B2 JP7106661 B2 JP 7106661B2 JP 2020543619 A JP2020543619 A JP 2020543619A JP 2020543619 A JP2020543619 A JP 2020543619A JP 7106661 B2 JP7106661 B2 JP 7106661B2
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intra
prediction
intra prediction
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JP2021513815A (ja
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リャン・ジャオ
シン・ジャオ
シャン・リ
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
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • H04N19/463—Embedding additional information in the video signal during the compression process by compressing encoding parameters before transmission
    • 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
    • H04N19/103—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
    • H04N19/132—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
    • 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
    • H04N19/44—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
    • H04N19/593—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

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2020543619A 2018-07-16 2019-06-03 映像圧縮におけるイントラ予測のための参照サンプルパディング及びフィルタリング Active JP7106661B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2022112483A JP7305851B2 (ja) 2018-07-16 2022-07-13 映像圧縮におけるイントラ予測のための参照サンプルパディング及びフィルタリング
JP2023106411A JP7559149B2 (ja) 2018-07-16 2023-06-28 映像圧縮におけるイントラ予測のための参照サンプルパディング及びフィルタリング
JP2024160408A JP7791271B2 (ja) 2018-07-16 2024-09-17 映像圧縮におけるイントラ予測のための参照サンプルパディング及びフィルタリング

Applications Claiming Priority (5)

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US201862698526P 2018-07-16 2018-07-16
US62/698,526 2018-07-16
US16/202,876 2018-11-28
US16/202,876 US10630979B2 (en) 2018-07-16 2018-11-28 Reference sample padding and filtering for intra prediction in video compression
PCT/US2019/035116 WO2020018181A1 (en) 2018-07-16 2019-06-03 Reference sample padding and filtering for intra prediction in video compression

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JP7106661B2 true JP7106661B2 (ja) 2022-07-26

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JP2022112483A Active JP7305851B2 (ja) 2018-07-16 2022-07-13 映像圧縮におけるイントラ予測のための参照サンプルパディング及びフィルタリング
JP2023106411A Active JP7559149B2 (ja) 2018-07-16 2023-06-28 映像圧縮におけるイントラ予測のための参照サンプルパディング及びフィルタリング
JP2024160408A Active JP7791271B2 (ja) 2018-07-16 2024-09-17 映像圧縮におけるイントラ予測のための参照サンプルパディング及びフィルタリング

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JP2023106411A Active JP7559149B2 (ja) 2018-07-16 2023-06-28 映像圧縮におけるイントラ予測のための参照サンプルパディング及びフィルタリング
JP2024160408A Active JP7791271B2 (ja) 2018-07-16 2024-09-17 映像圧縮におけるイントラ予測のための参照サンプルパディング及びフィルタリング

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US (4) US10630979B2 (enExample)
EP (1) EP3824626A4 (enExample)
JP (4) JP7106661B2 (enExample)
KR (3) KR20240023237A (enExample)
CN (2) CN112236997B (enExample)
WO (1) WO2020018181A1 (enExample)

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Publication number Priority date Publication date Assignee Title
US10630979B2 (en) 2018-07-16 2020-04-21 Tencent America LLC Reference sample padding and filtering for intra prediction in video compression
CN120416464A (zh) * 2019-01-02 2025-08-01 Oppo广东移动通信有限公司 帧内预测方法、装置及计算机存储介质
JP7575355B2 (ja) * 2021-06-29 2024-10-29 Kddi株式会社 画像復号装置、画像復号方法及びプログラム

Citations (1)

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Publication number Priority date Publication date Assignee Title
WO2013105622A1 (ja) 2012-01-13 2013-07-18 シャープ株式会社 画像復号装置、画像符号化装置、および符号化データのデータ構造

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7609763B2 (en) * 2003-07-18 2009-10-27 Microsoft Corporation Advanced bi-directional predictive coding of video frames
US8885701B2 (en) * 2010-09-08 2014-11-11 Samsung Electronics Co., Ltd. Low complexity transform coding using adaptive DCT/DST for intra-prediction
US9008175B2 (en) * 2010-10-01 2015-04-14 Qualcomm Incorporated Intra smoothing filter for video coding
KR20120140181A (ko) * 2011-06-20 2012-12-28 한국전자통신연구원 화면내 예측 블록 경계 필터링을 이용한 부호화/복호화 방법 및 그 장치
WO2013070629A1 (en) * 2011-11-07 2013-05-16 Huawei Technologies Co., Ltd. New angular table for improving intra prediction
US9344722B2 (en) * 2011-11-18 2016-05-17 Futurewei Technologies, Inc. Scanning of prediction residuals in high efficiency video coding
KR101591352B1 (ko) * 2012-04-16 2016-02-04 한국전자통신연구원 비디오 복호화 장치
US9967594B2 (en) * 2013-06-28 2018-05-08 Mozilla Corporation Probability modeling of intra prediction modes
US10321140B2 (en) * 2015-01-22 2019-06-11 Mediatek Singapore Pte. Ltd. Method of video coding for chroma components
KR20170131473A (ko) * 2015-03-29 2017-11-29 엘지전자 주식회사 비디오 신호의 인코딩/디코딩 방법 및 장치
US20160373770A1 (en) * 2015-06-18 2016-12-22 Qualcomm Incorporated Intra prediction and intra mode coding
US20160373742A1 (en) * 2015-06-18 2016-12-22 Qualcomm Incorporated Intra prediction and intra mode coding
US10602138B2 (en) * 2015-08-27 2020-03-24 Lg Electronics Inc. Method and device for chroma sample intra prediction in video coding system
WO2017105141A1 (ko) * 2015-12-17 2017-06-22 삼성전자 주식회사 영상을 부호화/복호화 하는 방법 및 그 장치
EP3453174B1 (en) * 2016-05-06 2024-11-27 InterDigital Madison Patent Holdings, SAS Method and system for decoder-side intra mode derivation for block-based video coding
MX393147B (es) * 2016-05-25 2025-03-24 Arris Entpr Llc Prediccion angular ponderada para intra codificacion.
KR102420867B1 (ko) * 2016-12-23 2022-07-15 후아웨이 테크놀러지 컴퍼니 리미티드 미리 결정된 방향성 인트라 예측 모드들의 세트를 확장하기 위한 인트라 예측 장치
US10630979B2 (en) * 2018-07-16 2020-04-21 Tencent America LLC Reference sample padding and filtering for intra prediction in video compression

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013105622A1 (ja) 2012-01-13 2013-07-18 シャープ株式会社 画像復号装置、画像符号化装置、および符号化データのデータ構造

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Gagan Rath et al.，CE3-related: Block Shape Adaptive Intra Prediction Directions，Joint Video Experts Team (JVET)，2018年07月13日，[JVET-K0169_r1] (version 2)

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Publication number Publication date
JP7305851B2 (ja) 2023-07-10
US20200221082A1 (en) 2020-07-09
KR20220143971A (ko) 2022-10-25
US10630979B2 (en) 2020-04-21
JP7791271B2 (ja) 2025-12-23
KR20200125683A (ko) 2020-11-04
CN112236997A (zh) 2021-01-15
US11128863B2 (en) 2021-09-21
JP2021513815A (ja) 2021-05-27
CN117156140A (zh) 2023-12-01
JP7559149B2 (ja) 2024-10-01
WO2020018181A1 (en) 2020-01-23
KR102635400B1 (ko) 2024-02-13
KR20240023237A (ko) 2024-02-20
US20200021803A1 (en) 2020-01-16
US20230379457A1 (en) 2023-11-23
JP2023115281A (ja) 2023-08-18
US12231629B2 (en) 2025-02-18
JP2022132417A (ja) 2022-09-08
CN112236997B (zh) 2023-09-26
EP3824626A1 (en) 2021-05-26
US11736685B2 (en) 2023-08-22
US20210377522A1 (en) 2021-12-02
KR102459185B1 (ko) 2022-10-27
JP2024169525A (ja) 2024-12-05
EP3824626A4 (en) 2022-04-20

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