CN105872554A - 基于分类环路滤波器的方法和装置 - Google Patents
基于分类环路滤波器的方法和装置 Download PDFInfo
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- CN105872554A CN105872554A CN201610346302.3A CN201610346302A CN105872554A CN 105872554 A CN105872554 A CN 105872554A CN 201610346302 A CN201610346302 A CN 201610346302A CN 105872554 A CN105872554 A CN 105872554A
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- 238000000034 method Methods 0.000 title claims abstract description 64
- 238000001914 filtration Methods 0.000 claims abstract description 39
- 230000003044 adaptive effect Effects 0.000 claims description 27
- 230000004044 response Effects 0.000 claims description 20
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- 238000012549 training Methods 0.000 claims description 10
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- 230000006978 adaptation Effects 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims 1
- 230000001131 transforming effect Effects 0.000 abstract description 10
- 230000006870 function Effects 0.000 description 78
- 238000004891 communication Methods 0.000 description 38
- 230000008901 benefit Effects 0.000 description 12
- 238000013459 approach Methods 0.000 description 9
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Classifications
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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
- H04N19/82—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop
-
- 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
- H04N19/10—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
- H04N19/60—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
Landscapes
- 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)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US31206310P | 2010-03-09 | 2010-03-09 | |
| US61/312,063 | 2010-03-09 | ||
| CN201180013073.9A CN102792690B (zh) | 2010-03-09 | 2011-03-02 | 基于分类环路滤波器的方法和装置 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201180013073.9A Division CN102792690B (zh) | 2010-03-09 | 2011-03-02 | 基于分类环路滤波器的方法和装置 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105872554A true CN105872554A (zh) | 2016-08-17 |
Family
ID=44228005
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610346302.3A Pending CN105872554A (zh) | 2010-03-09 | 2011-03-02 | 基于分类环路滤波器的方法和装置 |
| CN201180013073.9A Active CN102792690B (zh) | 2010-03-09 | 2011-03-02 | 基于分类环路滤波器的方法和装置 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201180013073.9A Active CN102792690B (zh) | 2010-03-09 | 2011-03-02 | 基于分类环路滤波器的方法和装置 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20120320973A1 (https=) |
| EP (1) | EP2545711B1 (https=) |
| JP (1) | JP6029984B2 (https=) |
| KR (1) | KR101810263B1 (https=) |
| CN (2) | CN105872554A (https=) |
| WO (1) | WO2011112237A1 (https=) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Families Citing this family (18)
| 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 |
| EP3457690A4 (en) * | 2016-05-13 | 2019-05-01 | Sharp Kabushiki Kaisha | IMAGE DECODING DEVICE AND IMAGE ENCODING DEVICE |
| 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 |
| KR102643115B1 (ko) | 2017-11-29 | 2024-03-04 | 한국전자통신연구원 | 루프내 필터링을 이용한 영상 부호화/복호화 방법 및 장치 |
| 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 |
| CN118138754A (zh) | 2019-06-14 | 2024-06-04 | 北京字节跳动网络技术有限公司 | 处理视频单元边界和虚拟边界 |
| KR102707854B1 (ko) * | 2019-07-15 | 2024-09-23 | 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 | 적응적 루프 필터링에서의 분류 |
| CN117278747A (zh) | 2019-09-22 | 2023-12-22 | 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 |
| KR102762212B1 (ko) | 2019-10-10 | 2025-02-07 | 두인 비전 컴퍼니 리미티드 | 적응적 루프 필터링에서 이용 불가능한 샘플 위치들에서의 패딩 프로세스 |
| 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 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2008075247A1 (en) * | 2006-12-18 | 2008-06-26 | Koninklijke Philips Electronics N.V. | Image compression and decompression |
| CN101621687A (zh) * | 2008-08-18 | 2010-01-06 | 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 |
| CN101783957A (zh) * | 2010-03-12 | 2010-07-21 | 清华大学 | 一种视频预测编码方法和装置 |
| CN101926177A (zh) * | 2008-03-07 | 2010-12-22 | 株式会社东芝 | 运动图像编码/解码装置 |
Family Cites Families (13)
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| 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 |
| DE60203492T2 (de) * | 2001-09-12 | 2006-01-26 | Matsushita Electric Industrial Co., Ltd., Kadoma | Bildkodierungsverfahren und bilddekodierungsverfahren |
| JP2006032999A (ja) * | 2004-07-12 | 2006-02-02 | Sharp Corp | 画像復号装置及び画像復号方法 |
| KR101353689B1 (ko) * | 2006-03-27 | 2014-01-21 | 파나소닉 주식회사 | 화상 부호화 장치 및 화상 복호화 장치 |
| 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 |
| MX2010009194A (es) * | 2008-03-07 | 2010-09-10 | Toshiba Kk | Metodo y dispositivo de codificacion/decodificacion dinamica de imagen. |
| WO2009133844A1 (ja) * | 2008-04-30 | 2009-11-05 | 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 |
-
2011
- 2011-03-02 WO PCT/US2011/000394 patent/WO2011112237A1/en not_active Ceased
- 2011-03-02 CN CN201610346302.3A patent/CN105872554A/zh active Pending
- 2011-03-02 EP EP11710054.5A patent/EP2545711B1/en active Active
- 2011-03-02 JP JP2012557038A patent/JP6029984B2/ja active Active
- 2011-03-02 CN CN201180013073.9A patent/CN102792690B/zh active Active
- 2011-03-02 KR KR1020127026306A patent/KR101810263B1/ko active Active
- 2011-03-02 US US13/581,875 patent/US20120320973A1/en not_active Abandoned
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008075247A1 (en) * | 2006-12-18 | 2008-06-26 | Koninklijke Philips Electronics N.V. | Image compression and decompression |
| CN101926177A (zh) * | 2008-03-07 | 2010-12-22 | 株式会社东芝 | 运动图像编码/解码装置 |
| CN101621687A (zh) * | 2008-08-18 | 2010-01-06 | 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 |
| CN101783957A (zh) * | 2010-03-12 | 2010-07-21 | 清华大学 | 一种视频预测编码方法和装置 |
Non-Patent Citations (1)
| Title |
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| YU LIU, YAN HUO, CARMEN CHENG: ""Unified Loop Filter for Video Coding "", 《INTERNATION ORGANISATION FOR STANDARDISATION ORGANISATION INTERNATIONALE DE NORMALISATION ISO/IEC JTC1/SC29/WG11》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2545711A1 (en) | 2013-01-16 |
| EP2545711B1 (en) | 2018-05-09 |
| CN102792690A (zh) | 2012-11-21 |
| JP2013522956A (ja) | 2013-06-13 |
| KR101810263B1 (ko) | 2017-12-18 |
| KR20130030254A (ko) | 2013-03-26 |
| WO2011112237A1 (en) | 2011-09-15 |
| CN102792690B (zh) | 2016-06-15 |
| US20120320973A1 (en) | 2012-12-20 |
| JP6029984B2 (ja) | 2016-11-24 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20190108 Address after: Paris France Applicant after: Interactive Digital Madison Patent Holdings Address before: I Si Eli Murli Nor, France Applicant before: THOMSON LICENSING Effective date of registration: 20190108 Address after: I Si Eli Murli Nor, France Applicant after: THOMSON LICENSING Address before: I Si Eli Murli Nor, France Applicant before: THOMSON LICENSING |
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