CN101573980B - 检测编码图像和视频中的块伪影 - Google Patents
检测编码图像和视频中的块伪影 Download PDFInfo
- Publication number
- CN101573980B CN101573980B CN2007800488314A CN200780048831A CN101573980B CN 101573980 B CN101573980 B CN 101573980B CN 2007800488314 A CN2007800488314 A CN 2007800488314A CN 200780048831 A CN200780048831 A CN 200780048831A CN 101573980 B CN101573980 B CN 101573980B
- Authority
- CN
- China
- Prior art keywords
- block
- artifact
- picture
- artifacts
- overlapping blocks
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Classifications
-
- 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
- H04N19/119—Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
-
- 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
- H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
-
- 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
- H04N19/154—Measured or subjectively estimated visual quality after decoding, e.g. measurement of distortion
-
- 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
- H04N19/10—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
- H04N19/18—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
-
- 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
- H04N19/48—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using compressed domain processing techniques other than decoding, e.g. modification of transform coefficients, variable length coding [VLC] data or run-length data
-
- 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
- H04N19/85—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
-
- 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
- H04N19/85—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 (2)
| Publication Number | Publication Date |
|---|---|
| CN101573980A CN101573980A (zh) | 2009-11-04 |
| CN101573980B true CN101573980B (zh) | 2012-03-14 |
Family
ID=39591061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007800488314A Expired - Fee Related CN101573980B (zh) | 2006-12-28 | 2007-12-21 | 检测编码图像和视频中的块伪影 |
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) |
Families Citing this family (35)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| JP5276170B2 (ja) * | 2008-08-08 | 2013-08-28 | トムソン ライセンシング | バンディング・アーチファクトを検出する方法および装置 |
| CN102119400B (zh) * | 2008-08-08 | 2017-10-31 | 汤姆逊许可证公司 | 暗噪声伪影检测方法和装置 |
| 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 |
| US8571117B2 (en) * | 2009-06-05 | 2013-10-29 | Cisco Technology, Inc. | Out of loop frame matching 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 |
| US8358380B2 (en) * | 2009-06-05 | 2013-01-22 | Cisco Technology, Inc. | Efficient spatial and temporal transform-based video preprocessing |
| US8638395B2 (en) | 2009-06-05 | 2014-01-28 | Cisco Technology, Inc. | Consolidating prior temporally-matched frames in 3D-based video denoising |
| JP5562346B2 (ja) * | 2009-10-20 | 2014-07-30 | シャープ株式会社 | 動画像符号化装置、動画像復号装置、動画像符号化方法および動画像復号方法 |
| WO2011088321A1 (en) * | 2010-01-15 | 2011-07-21 | Marvell World Trade, Ltd | Use of film grain to mask compression artifacts |
| EP2534839A4 (en) * | 2010-02-11 | 2014-06-11 | 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 |
| US9076220B2 (en) | 2010-04-29 | 2015-07-07 | Thomson Licensing | Method of processing an image based on the determination of blockiness level |
| US9628674B2 (en) | 2010-06-02 | 2017-04-18 | Cisco Technology, Inc. | Staggered motion compensation for preprocessing video with overlapped 3D transforms |
| US8472725B2 (en) | 2010-06-02 | 2013-06-25 | Cisco Technology, Inc. | Scene change detection and handling 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 |
| WO2012174740A1 (en) * | 2011-06-24 | 2012-12-27 | Technicolor (China) Technology Co., Ltd. | Method and device for assessing packet defect caused degradation in packet coded video |
| 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 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6240135B1 (en) * | 1997-09-09 | 2001-05-29 | Lg Electronics Inc | Method of removing blocking artifacts in a coding system of a moving picture |
| CN1418015A (zh) * | 2001-10-16 | 2003-05-14 | 皇家菲利浦电子有限公司 | 检测块失真的方法 |
Family Cites Families (31)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| US5454051A (en) * | 1991-08-05 | 1995-09-26 | Eastman Kodak Company | Method of reducing block artifacts created by block transform compression algorithms |
| 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 |
| US5852475A (en) * | 1995-06-06 | 1998-12-22 | Compression Labs, Inc. | Transform artifact reduction process |
| US6151420A (en) * | 1995-12-15 | 2000-11-21 | Polaroid Corporation | Minimizing blocking artifacts in a filtered image |
| US5850294A (en) * | 1995-12-18 | 1998-12-15 | Lucent Technologies Inc. | Method and apparatus for post-processing images |
| US5737451A (en) * | 1996-04-10 | 1998-04-07 | Eastman Kodak Company | Method and apparatus for suppressing blocking artifacts in block-transform coded images |
| US5887084A (en) * | 1997-11-07 | 1999-03-23 | Polaroid Corporation | Structuring a digital image into a DCT pyramid image representation |
| KR100366643B1 (ko) * | 1998-11-25 | 2003-02-19 | 삼성전자 주식회사 | 구획현상제거방법및장치 |
| US6317522B1 (en) * | 1998-12-03 | 2001-11-13 | Philips Electronics North America Corp. | Systems and methods for post-processing decompressed images |
| KR100319557B1 (ko) * | 1999-04-16 | 2002-01-09 | 윤종용 | 블럭 단위로 부호화된 영상의 블럭 경계 잡음 성분 제거 방법 |
| EP1157558A1 (en) * | 1999-11-30 | 2001-11-28 | Koninklijke Philips Electronics N.V. | Blocking artifact reduction in the dct domain |
| US6968006B1 (en) * | 2001-06-05 | 2005-11-22 | At&T Corp. | Method of content adaptive video decoding |
| US7003174B2 (en) * | 2001-07-02 | 2006-02-21 | Corel Corporation | Removal of block encoding artifacts |
| US6950473B2 (en) * | 2002-06-21 | 2005-09-27 | Seiko Epson Corporation | Hybrid technique for reducing blocking and ringing artifacts in low-bit-rate coding |
| US20030235250A1 (en) * | 2002-06-24 | 2003-12-25 | Ankur Varma | Video deblocking |
| US7099518B2 (en) * | 2002-07-18 | 2006-08-29 | Tektronix, Inc. | Measurement of blurring in video sequences |
| EP1565875A1 (en) * | 2002-11-25 | 2005-08-24 | Sarnoff Corporation | Method and apparatus for measuring quality of compressed video sequences without references |
| US7822286B2 (en) * | 2003-11-07 | 2010-10-26 | Mitsubishi Electric Research Laboratories, Inc. | Filtering artifacts in images with 3D spatio-temporal fuzzy filters |
| KR101044940B1 (ko) * | 2004-06-23 | 2011-06-28 | 삼성전자주식회사 | 에지 플로우 방향성 필터와 커블릿 변환을 이용한 블록현상 제거 방법 및 장치 |
| US7545988B2 (en) * | 2004-08-09 | 2009-06-09 | George William Meeker | Image blocking artifact reduction via transform pair |
| US7778480B2 (en) * | 2004-11-23 | 2010-08-17 | Stmicroelectronics Asia Pacific Pte. Ltd. | Block filtering system for reducing artifacts and method |
| US8218634B2 (en) * | 2005-01-13 | 2012-07-10 | Ntt Docomo, Inc. | Nonlinear, in-the-loop, denoising filter for quantization noise removal for hybrid video compression |
| US7792385B2 (en) * | 2005-01-25 | 2010-09-07 | Globalfoundries Inc. | Scratch pad for storing intermediate loop filter data |
| WO2006099743A1 (en) * | 2005-03-25 | 2006-09-28 | Algolith Inc. | Apparatus and method for objective assessment of dct-coded video quality with or without an original video sequence |
| US20060245501A1 (en) * | 2005-04-27 | 2006-11-02 | Stephen Gordon | Combined filter processing for video compression |
| 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 CA CA002674164A patent/CA2674164A1/en not_active Abandoned
- 2007-12-21 EP EP07867967A patent/EP2127390A2/en not_active Ceased
- 2007-12-21 JP JP2009544052A patent/JP5270573B2/ja not_active Expired - Fee Related
- 2007-12-21 WO PCT/US2007/026213 patent/WO2008085425A2/en not_active Ceased
- 2007-12-21 KR KR1020097013311A patent/KR101437195B1/ko not_active Expired - Fee Related
- 2007-12-21 CN CN2007800488314A patent/CN101573980B/zh not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6240135B1 (en) * | 1997-09-09 | 2001-05-29 | Lg Electronics Inc | Method of removing blocking artifacts in a coding system of a moving picture |
| CN1418015A (zh) * | 2001-10-16 | 2003-05-14 | 皇家菲利浦电子有限公司 | 检测块失真的方法 |
Non-Patent Citations (2)
| Title |
|---|
| PAN F ET AL.A locally-adaptive algorithm for measuring blocking artifacts in images and videos.《CIRCUTS AND SYSTEMS, 2004,ISCAS ’04. PROCEEDINGS OF THE 2004 INTERNATIONAL SYMPOSIUM ON VANCOUVER,BC,CANADA 》.2004,第926页. * |
| SHIZHONG LIU ET AL.Efficient DCT-Domain Blind Measurement and Reduction of Blocking Artifacts.《IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS FOR VIDEO TECHNOLOGY,IEEE SERVICE CENTER,PISCATAWAY,NJ,US》.2002,第12卷(第12期),第1140-1143页. * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101573980A (zh) | 2009-11-04 |
| CA2674164A1 (en) | 2008-07-17 |
| US8879001B2 (en) | 2014-11-04 |
| KR20090101911A (ko) | 2009-09-29 |
| WO2008085425A2 (en) | 2008-07-17 |
| JP5270573B2 (ja) | 2013-08-21 |
| WO2008085425A3 (en) | 2009-02-12 |
| JP2010515362A (ja) | 2010-05-06 |
| US20100033633A1 (en) | 2010-02-11 |
| KR101437195B1 (ko) | 2014-09-03 |
| EP2127390A2 (en) | 2009-12-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101573980B (zh) | 检测编码图像和视频中的块伪影 | |
| CN106846270B (zh) | 一种图像边缘增强方法及装置 | |
| US10013772B2 (en) | Method of controlling a quality measure and system thereof | |
| EP2852152B1 (en) | Image processing method, apparatus and shooting terminal | |
| EP3014880B1 (en) | Encoding video captured in low light | |
| JP4145665B2 (ja) | 画像処理装置及び画像処理方法 | |
| US9478017B2 (en) | Guided image filtering for image content | |
| KR101112139B1 (ko) | 부호화된 영상의 확대비 및 노이즈 강도 추정장치 및 방법 | |
| US20080019605A1 (en) | Filtering Artifacts in Images with 3D Spatio-Temporal Fuzzy Filters | |
| US20130004096A1 (en) | Methods, Devices, and Computer Readable Mediums for Processing a Digital Picture | |
| US20030035586A1 (en) | Decoding compressed image data | |
| US10134121B2 (en) | Method and system of controlling a quality measure | |
| TWI698124B (zh) | 影像調整方法以及相關的影像處理電路 | |
| KR101812341B1 (ko) | 이미지의 에지 향상 방법 | |
| Vidal et al. | New adaptive filters as perceptual preprocessing for rate-quality performance optimization of video coding | |
| EP2070048B1 (en) | Spatial masking using a spatial activity metric | |
| CN104463806A (zh) | 基于数据驱动技术的高度自适应图像对比度增强方法 | |
| CN111144419B (zh) | 基于分块自适应同态滤波的历史文档图像二值化方法 | |
| CN105141967B (zh) | 基于恰可觉察失真模型的快速自适应环路滤波方法 | |
| Tang et al. | Adaptive deblocking method for low bitrate coded HEVC video | |
| JP2009095004A (ja) | 画像シーケンス中の画素をフィルタリングする方法 | |
| JP2004343207A (ja) | 画像処理装置、画像処理方法、画像処理プログラム、画像処理プログラムを記録した記録媒体、および画像処理装置を備えた画像形成装置 | |
| Wang et al. | Image deblocking scheme for JPEG compressed images using an adaptive-weighted bilateral filter | |
| CN110113606A (zh) | 一种去除人眼感知冗余视频编码的方法、装置和设备 | |
| Le Meura et al. | Selective H. 264 video coding based on a saliency map |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120314 Termination date: 20181221 |