JP6029984B2 - 分類ベースのループ・フィルタのための方法と装置 - Google Patents

分類ベースのループ・フィルタのための方法と装置 Download PDF

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JP6029984B2
JP6029984B2 JP2012557038A JP2012557038A JP6029984B2 JP 6029984 B2 JP6029984 B2 JP 6029984B2 JP 2012557038 A JP2012557038 A JP 2012557038A JP 2012557038 A JP2012557038 A JP 2012557038A JP 6029984 B2 JP6029984 B2 JP 6029984B2
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image
filtering
pixel
reconstructed version
filter
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JP2013522956A5 (cg-RX-API-DMAC7.html
JP2013522956A (ja
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シユウ，チヤン
ジエン，ユンフエイ
イン，ペン
ルウ，シヤオアン
ソレ，ジヨエル
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Thomson Licensing SAS
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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
    • H04N19/10—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
    • H04N19/124—Quantisation
    • 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
    • H04N19/14—Coding unit complexity, e.g. amount of activity or edge presence estimation
    • 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
    • H04N19/182—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
    • 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
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • 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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
    • 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)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2012557038A 2010-03-09 2011-03-02 分類ベースのループ・フィルタのための方法と装置 Active JP6029984B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US31206310P 2010-03-09 2010-03-09
US61/312,063 2010-03-09
PCT/US2011/000394 WO2011112237A1 (en) 2010-03-09 2011-03-02 Methods and apparatus for a classification-based loop filter

Publications (3)

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JP2013522956A JP2013522956A (ja) 2013-06-13
JP2013522956A5 JP2013522956A5 (cg-RX-API-DMAC7.html) 2014-04-10
JP6029984B2 true JP6029984B2 (ja) 2016-11-24

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US (1) US20120320973A1 (cg-RX-API-DMAC7.html)
EP (1) EP2545711B1 (cg-RX-API-DMAC7.html)
JP (1) JP6029984B2 (cg-RX-API-DMAC7.html)
KR (1) KR101810263B1 (cg-RX-API-DMAC7.html)
CN (2) CN105872554A (cg-RX-API-DMAC7.html)
WO (1) WO2011112237A1 (cg-RX-API-DMAC7.html)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120183078A1 (en) * 2011-01-14 2012-07-19 Samsung Electronics Co., Ltd. Filter adaptation with directional features for video/image coding
GB201119206D0 (en) * 2011-11-07 2011-12-21 Canon Kk Method and device for providing compensation offsets for a set of reconstructed samples of an image
US10602141B2 (en) * 2015-10-16 2020-03-24 Lg Electronics Inc. Filtering method and apparatus for improving prediction in image coding system
CN109076219A (zh) * 2016-05-13 2018-12-21 夏普株式会社 图像解码装置以及图像编码装置
KR101974261B1 (ko) * 2016-06-24 2019-04-30 한국과학기술원 Cnn 기반 인루프 필터를 포함하는 부호화 방법과 장치 및 복호화 방법과 장치
KR102053242B1 (ko) * 2017-04-26 2019-12-06 강현인 압축 파라미터를 이용한 영상 복원용 머신러닝 알고리즘 및 이를 이용한 영상 복원방법
WO2019009448A1 (ko) 2017-07-06 2019-01-10 삼성전자 주식회사 영상을 부호화 또는 복호화하는 방법 및 장치
US11290715B2 (en) 2017-11-29 2022-03-29 Electronics And Telecommunications Research Institute Image encoding/decoding method and device employing in-loop filtering
GB2572595B (en) * 2018-04-04 2023-03-22 British Broadcasting Corp Video encoding and decoding
CN109862374A (zh) * 2019-01-07 2019-06-07 北京大学 一种自适应环路滤波方法及装置
KR102154424B1 (ko) * 2019-01-18 2020-09-10 한국항공대학교산학협력단 개선된 영상 압축 시스템 및 방법
BR112022000794A2 (pt) * 2019-07-15 2022-03-15 Beijing Bytedance Network Tech Co Ltd Método de processamento de dados de vídeo, aparelho para processamento de dados de vídeo, meios de armazenamento e gravação não transitórios legíveis por computador
CN114430902B (zh) 2019-09-22 2023-11-10 北京字节跳动网络技术有限公司 自适应环路滤波中的填充过程
CN112637610A (zh) * 2019-09-24 2021-04-09 富士通株式会社 去块滤波器的系数获取装置、方法以及图像编解码装置
WO2021068906A1 (en) 2019-10-10 2021-04-15 Beijing Bytedance Network Technology Co., Ltd. Padding process at unavailable sample locations in adaptive loop filtering
CN113971748B (zh) * 2020-07-24 2025-04-29 中移(苏州)软件技术有限公司 图像处理方法、装置、设备及计算机可读存储介质
EP4625980A1 (en) * 2024-03-25 2025-10-01 InterDigital CE Patent Holdings, SAS Content-adapted alf band classifier
WO2025226008A1 (en) * 2024-04-22 2025-10-30 Samsung Electronics Co., Ltd. Method and apparatus for performing scalable de-quantization in a video codec

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5852475A (en) * 1995-06-06 1998-12-22 Compression Labs, Inc. Transform artifact reduction process
KR100213089B1 (ko) * 1997-01-29 1999-08-02 윤종용 루프필터링 방법 및 루프필터
US6192161B1 (en) * 1999-02-12 2001-02-20 Sony Corporation Method and apparatus for adaptive filter tap selection according to a class
US6707952B1 (en) * 2000-05-30 2004-03-16 Sharp Laboratories Of America, Inc. Method for removing ringing artifacts from locations near dominant edges of an image reconstructed after compression
CA2582665C (en) * 2001-09-12 2012-04-24 Matsushita Electric Industrial Co., Ltd. Picture coding method and picture decoding method
JP2006032999A (ja) * 2004-07-12 2006-02-02 Sharp Corp 画像復号装置及び画像復号方法
JP5513740B2 (ja) * 2006-03-27 2014-06-04 パナソニック株式会社 画像復号化装置、画像符号化装置、画像復号化方法、画像符号化方法、プログラムおよび集積回路
JP2010514246A (ja) * 2006-12-18 2010-04-30 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 画像圧縮及び伸張
AU2006252195B8 (en) * 2006-12-21 2011-02-03 Canon Kabushiki Kaisha MPEG noise reduction
EP1944974A1 (en) * 2007-01-09 2008-07-16 Matsushita Electric Industrial Co., Ltd. Position dependent post-filter hints
US20090154567A1 (en) * 2007-12-13 2009-06-18 Shaw-Min Lei In-loop fidelity enhancement for video compression
AU2009220567A1 (en) * 2008-03-07 2009-09-11 Kabushiki Kaisha Toshiba Dynamic image encoding/decoding device
EP2249572A4 (en) * 2008-03-07 2012-05-23 Toshiba Kk METHOD AND DEVICE FOR DYNAMIC IMAGE CODING / DECODING
JPWO2009133844A1 (ja) * 2008-04-30 2011-09-01 株式会社東芝 エッジを考慮したフィルタリング機能を備えた動画像符号化／復号化方法及び装置
US8285068B2 (en) * 2008-06-25 2012-10-09 Cisco Technology, Inc. Combined deblocking and denoising filter
CN101621687B (zh) * 2008-08-18 2011-06-08 深圳市铁越电气有限公司 H.264到avs视频码流转换方法及其装置
CN101783957B (zh) * 2010-03-12 2012-04-18 清华大学 一种视频预测编码方法和装置

Also Published As

Publication number Publication date
CN105872554A (zh) 2016-08-17
KR20130030254A (ko) 2013-03-26
EP2545711B1 (en) 2018-05-09
KR101810263B1 (ko) 2017-12-18
WO2011112237A1 (en) 2011-09-15
US20120320973A1 (en) 2012-12-20
EP2545711A1 (en) 2013-01-16
CN102792690A (zh) 2012-11-21
JP2013522956A (ja) 2013-06-13
CN102792690B (zh) 2016-06-15

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