JP5270573B2 - ブロックアーチファクトを検出する方法及び装置 - Google Patents
ブロックアーチファクトを検出する方法及び装置 Download PDFInfo
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- JP5270573B2 JP5270573B2 JP2009544052A JP2009544052A JP5270573B2 JP 5270573 B2 JP5270573 B2 JP 5270573B2 JP 2009544052 A JP2009544052 A JP 2009544052A JP 2009544052 A JP2009544052 A JP 2009544052A JP 5270573 B2 JP5270573 B2 JP 5270573B2
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- 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
- H04N19/119—Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
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- 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
- H04N19/154—Measured or subjectively estimated visual quality after decoding, e.g. measurement of distortion
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- 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
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- H04N19/18—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 set of transform coefficients
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- H04N19/86—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving reduction of coding artifacts, e.g. of blockiness
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- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
- H04N19/86—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving reduction of coding artifacts, e.g. of blockiness
- H04N19/865—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving reduction of coding artifacts, e.g. of blockiness with detection of the former encoding block subdivision in decompressed video
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Color Television Systems (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US87754906P | 2006-12-28 | 2006-12-28 | |
| US60/877,549 | 2006-12-28 | ||
| PCT/US2007/026213 WO2008085425A2 (en) | 2006-12-28 | 2007-12-21 | Detecting block artifacts in coded images and video |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2010515362A JP2010515362A (ja) | 2010-05-06 |
| JP2010515362A5 JP2010515362A5 (enExample) | 2011-02-03 |
| JP5270573B2 true JP5270573B2 (ja) | 2013-08-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2009544052A Expired - Fee Related JP5270573B2 (ja) | 2006-12-28 | 2007-12-21 | ブロックアーチファクトを検出する方法及び装置 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US8879001B2 (enExample) |
| EP (1) | EP2127390A2 (enExample) |
| JP (1) | JP5270573B2 (enExample) |
| KR (1) | KR101437195B1 (enExample) |
| CN (1) | CN101573980B (enExample) |
| CA (1) | CA2674164A1 (enExample) |
| WO (1) | WO2008085425A2 (enExample) |
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| US7724827B2 (en) | 2003-09-07 | 2010-05-25 | Microsoft Corporation | Multi-layer run level encoding and decoding |
| US8879001B2 (en) * | 2006-12-28 | 2014-11-04 | Thomson Licensing | Detecting block artifacts in coded images and video |
| TWI330039B (en) * | 2007-01-26 | 2010-09-01 | Quanta Comp Inc | Processing apparatus and method for reducing blocking effect and gibbs effect |
| US8285068B2 (en) * | 2008-06-25 | 2012-10-09 | Cisco Technology, Inc. | Combined deblocking and denoising filter |
| CN102119401B (zh) * | 2008-08-08 | 2013-12-04 | 汤姆逊许可证公司 | 用于带状伪像检测的方法和设备 |
| BRPI0822986A2 (pt) * | 2008-08-08 | 2015-06-23 | Thomson Licensing | Métodos e aparelhagens para detecção de inconsistências sob forma de interferências obscuras |
| US8363978B2 (en) * | 2009-03-03 | 2013-01-29 | Samsung Electronics Co., Ltd. | System and method for block edge location with varying block sizes and offsets in compressed digital video |
| US8891609B2 (en) * | 2009-03-24 | 2014-11-18 | Samsung Electronics Co., Ltd. | System and method for measuring blockiness level in compressed digital video |
| US9076239B2 (en) * | 2009-04-30 | 2015-07-07 | Stmicroelectronics S.R.L. | Method and systems for thumbnail generation, and corresponding computer program product |
| US8638395B2 (en) | 2009-06-05 | 2014-01-28 | Cisco Technology, Inc. | Consolidating prior temporally-matched frames in 3D-based video denoising |
| US8615044B2 (en) * | 2009-06-05 | 2013-12-24 | Cisco Technology, Inc. | Adaptive thresholding of 3D transform coefficients for video denoising |
| US8571117B2 (en) * | 2009-06-05 | 2013-10-29 | Cisco Technology, Inc. | Out of loop frame matching in 3D-based video denoising |
| US8358380B2 (en) * | 2009-06-05 | 2013-01-22 | Cisco Technology, Inc. | Efficient spatial and temporal transform-based video preprocessing |
| CN102577393B (zh) * | 2009-10-20 | 2015-03-25 | 夏普株式会社 | 运动图像编码装置、运动图像解码装置、运动图像编码/解码系统、运动图像编码方法及运动图像解码方法 |
| CN102714723B (zh) * | 2010-01-15 | 2016-02-03 | 马维尔国际贸易有限公司 | 使用胶片颗粒遮蔽压缩伪影 |
| WO2011097752A1 (en) * | 2010-02-11 | 2011-08-18 | Thomson Licensing | Method for processing image |
| US8588309B2 (en) * | 2010-04-07 | 2013-11-19 | Apple Inc. | Skin tone and feature detection for video conferencing compression |
| WO2011134105A1 (en) * | 2010-04-29 | 2011-11-03 | Thomson Licensing | Method of processing an image |
| US8472725B2 (en) | 2010-06-02 | 2013-06-25 | Cisco Technology, Inc. | Scene change detection and handling for preprocessing video with overlapped 3D transforms |
| US9628674B2 (en) | 2010-06-02 | 2017-04-18 | Cisco Technology, Inc. | Staggered motion compensation for preprocessing video with overlapped 3D transforms |
| US9635308B2 (en) | 2010-06-02 | 2017-04-25 | Cisco Technology, Inc. | Preprocessing of interlaced video with overlapped 3D transforms |
| US8542751B2 (en) * | 2010-08-20 | 2013-09-24 | Intel Corporation | Techniques for identifying and reducing block artifacts |
| US8787443B2 (en) * | 2010-10-05 | 2014-07-22 | Microsoft Corporation | Content adaptive deblocking during video encoding and decoding |
| US9042458B2 (en) | 2011-04-01 | 2015-05-26 | Microsoft Technology Licensing, Llc | Multi-threaded implementations of deblock filtering |
| CN102800050B (zh) * | 2011-05-25 | 2016-04-20 | 国基电子(上海)有限公司 | N维特征空间连通性计算方法 |
| EP2724530A4 (en) * | 2011-06-24 | 2015-02-25 | Thomson Licensing | METHOD AND DEVICE FOR ASSESSING DEGRADATION IN A PACKET-CODED VIDEO AS A RESULT OF PACKAGE DEFECTS |
| US20130039429A1 (en) * | 2011-08-11 | 2013-02-14 | Xue Rong Hong | Computer display content coding method and system |
| CN104246823A (zh) * | 2011-11-24 | 2014-12-24 | 汤姆逊许可公司 | 基于图像内容的伪像检测方案的方法和装置 |
| US9620082B2 (en) * | 2015-05-15 | 2017-04-11 | Hewlett-Packard Development Company, L.P. | Correcting artifacts on a display |
| US9836664B1 (en) * | 2016-05-27 | 2017-12-05 | Intuit Inc. | Method and system for identifying and addressing imaging artifacts to enable a software system to provide financial services based on an image of a financial document |
| US9832351B1 (en) | 2016-09-09 | 2017-11-28 | Cisco Technology, Inc. | Reduced complexity video filtering using stepped overlapped transforms |
| US10277901B2 (en) * | 2017-05-08 | 2019-04-30 | Axis Ab | Encoding a video stream having a privacy mask |
| CN107992845A (zh) * | 2017-12-14 | 2018-05-04 | 广东工业大学 | 一种面部识别辨伪方法及装置、计算机设备 |
| CN113362246B (zh) * | 2021-06-08 | 2024-11-22 | 百果园技术(新加坡)有限公司 | 一种图像带状伪影去除方法、装置、设备和介质 |
| CN118968929B (zh) * | 2024-07-29 | 2025-08-19 | 新型显示与视觉感知石城实验室 | 一种Mini-LED背光显示器的局部调光优化方法及系统 |
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| JP2831139B2 (ja) * | 1991-01-10 | 1998-12-02 | オリンパス光学工業株式会社 | 画像信号復号化装置 |
| JP3317982B2 (ja) * | 1991-07-15 | 2002-08-26 | オリンパス光学工業株式会社 | 画像信号復号化装置 |
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| US5367385A (en) * | 1992-05-07 | 1994-11-22 | Picturetel Corporation | Method and apparatus for processing block coded image data to reduce boundary artifacts between adjacent image blocks |
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| JP2003516054A (ja) * | 1999-11-30 | 2003-05-07 | 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 | Dctドメインにおけるブロッキングアーティファクトの減少方法及び装置 |
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| US7545988B2 (en) * | 2004-08-09 | 2009-06-09 | George William Meeker | Image blocking artifact reduction via transform pair |
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| US7873224B2 (en) * | 2006-03-01 | 2011-01-18 | Qualcomm Incorporated | Enhanced image/video quality through artifact evaluation |
| JP4749377B2 (ja) * | 2006-04-18 | 2011-08-17 | パイオニア株式会社 | ブロックノイズ除去装置 |
| US8879001B2 (en) * | 2006-12-28 | 2014-11-04 | Thomson Licensing | Detecting block artifacts in coded images and video |
| US8542751B2 (en) * | 2010-08-20 | 2013-09-24 | Intel Corporation | Techniques for identifying and reducing block artifacts |
-
2007
- 2007-12-21 US US12/448,636 patent/US8879001B2/en not_active Expired - Fee Related
- 2007-12-21 WO PCT/US2007/026213 patent/WO2008085425A2/en not_active Ceased
- 2007-12-21 EP EP07867967A patent/EP2127390A2/en not_active Ceased
- 2007-12-21 CA CA002674164A patent/CA2674164A1/en not_active Abandoned
- 2007-12-21 CN CN2007800488314A patent/CN101573980B/zh not_active Expired - Fee Related
- 2007-12-21 JP JP2009544052A patent/JP5270573B2/ja not_active Expired - Fee Related
- 2007-12-21 KR KR1020097013311A patent/KR101437195B1/ko not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| WO2008085425A3 (en) | 2009-02-12 |
| EP2127390A2 (en) | 2009-12-02 |
| WO2008085425A2 (en) | 2008-07-17 |
| KR101437195B1 (ko) | 2014-09-03 |
| US8879001B2 (en) | 2014-11-04 |
| CN101573980B (zh) | 2012-03-14 |
| US20100033633A1 (en) | 2010-02-11 |
| JP2010515362A (ja) | 2010-05-06 |
| CA2674164A1 (en) | 2008-07-17 |
| CN101573980A (zh) | 2009-11-04 |
| KR20090101911A (ko) | 2009-09-29 |
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