CN1627791A - 图像信号处理装置和使用它的电视接收机和图像信号处理方法 - Google Patents
图像信号处理装置和使用它的电视接收机和图像信号处理方法 Download PDFInfo
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- CN1627791A CN1627791A CN200410097022.0A CN200410097022A CN1627791A CN 1627791 A CN1627791 A CN 1627791A CN 200410097022 A CN200410097022 A CN 200410097022A CN 1627791 A CN1627791 A CN 1627791A
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- 238000003672 processing method Methods 0.000 title claims description 4
- 238000012937 correction Methods 0.000 claims abstract description 200
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- 238000000034 method Methods 0.000 claims description 6
- 230000033228 biological regulation Effects 0.000 claims description 2
- 238000001514 detection method Methods 0.000 abstract description 11
- 230000003321 amplification Effects 0.000 abstract description 3
- 238000003199 nucleic acid amplification method Methods 0.000 abstract description 3
- 230000002708 enhancing effect Effects 0.000 abstract 1
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- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 230000005764 inhibitory process Effects 0.000 description 5
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- 239000002131 composite material Substances 0.000 description 2
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Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/57—Control of contrast or brightness
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
- H04N21/4318—Generation of visual interfaces for content selection or interaction; Content or additional data rendering by altering the content in the rendering process, e.g. blanking, blurring or masking an image region
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
- H04N21/44008—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving operations for analysing video streams, e.g. detecting features or characteristics in the video stream
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/14—Picture signal circuitry for video frequency region
- H04N5/20—Circuitry for controlling amplitude response
- H04N5/205—Circuitry for controlling amplitude response for correcting amplitude versus frequency characteristic
- H04N5/208—Circuitry for controlling amplitude response for correcting amplitude versus frequency characteristic for compensating for attenuation of high frequency components, e.g. crispening, aperture distortion correction
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Picture Signal Circuits (AREA)
- Television Receiver Circuits (AREA)
Abstract
Description
计数器号 | 对应辉度水平(灰度等级) | 计数值(像素数) |
计数器1 | 0-7 | 2356 |
计数器2 | 8-15 | 48909 |
计数器3 | 16-23 | 10975 |
计数器4 | 24-32 | 7891 |
… | … | … |
计数器32 | 248-255 | 3890 |
Claims (17)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003411178 | 2003-12-10 | ||
JP2003411178A JP4200890B2 (ja) | 2003-12-10 | 2003-12-10 | 映像信号処理装置及びそれを用いたテレビジョン受信機並びに映像信号処理方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1627791A true CN1627791A (zh) | 2005-06-15 |
CN1328902C CN1328902C (zh) | 2007-07-25 |
Family
ID=34650427
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2004100970220A Active CN1328902C (zh) | 2003-12-10 | 2004-12-08 | 图像信号处理装置和使用它的电视接收机和图像信号处理方法 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7382414B2 (zh) |
JP (1) | JP4200890B2 (zh) |
CN (1) | CN1328902C (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101299965B (zh) * | 2005-11-02 | 2012-08-01 | 皇家飞利浦电子股份有限公司 | 用于在介入操作期间进行轮廓绘制和图像显示的图像处理系统和方法 |
US8237867B2 (en) | 2006-07-27 | 2012-08-07 | Samsung Electronics Co., Ltd. | Dynamic gain adjustment method based on brightness and apparatus thereof |
CN107203974A (zh) * | 2016-03-16 | 2017-09-26 | 汤姆逊许可公司 | 扩展的高动态范围hdr到hdr色调映射的方法、装置和系统 |
Families Citing this family (32)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2006098803A (ja) * | 2004-09-29 | 2006-04-13 | Toshiba Corp | 動画処理方法、動画処理装置および動画処理プログラム |
US7760938B1 (en) * | 2004-10-12 | 2010-07-20 | Melexis Tessenderlo Nv | Algorithm to enhance the contrast of a monochrome image |
JP2006333202A (ja) * | 2005-05-27 | 2006-12-07 | Matsushita Electric Ind Co Ltd | 映像信号処理装置、および映像信号処理方法 |
JP4419933B2 (ja) * | 2005-08-26 | 2010-02-24 | ソニー株式会社 | 画像処理装置、画像表示装置および画像処理方法 |
KR101156681B1 (ko) * | 2005-12-12 | 2012-06-14 | 삼성전자주식회사 | 디지털 영상 처리 장치에서 가변적인 노이즈 레벨을사용하는 자동 포커싱 방법 |
US7738698B2 (en) * | 2006-01-26 | 2010-06-15 | Vestel Elektronik Sanayi Ve Ticaret A.S. | Method and apparatus for adjusting the contrast of an image |
JP4273428B2 (ja) * | 2006-01-31 | 2009-06-03 | ソニー株式会社 | 画像処理装置、画像処理方法、画像処理方法のプログラム及び画像処理方法のプログラムを記録した記録媒体 |
KR20070079224A (ko) * | 2006-02-01 | 2007-08-06 | 삼성전자주식회사 | 코어링 장치 및 이를 이용하는 휘도 처리 프로세서와 그방법 |
US8134646B2 (en) | 2006-05-24 | 2012-03-13 | Kabushiki Kaisha Toshiba | Video signal processing device and video signal processing method |
JP4791887B2 (ja) * | 2006-05-30 | 2011-10-12 | 株式会社東芝 | 映像信号処理装置及び映像信号処理方法 |
JP4791884B2 (ja) * | 2006-05-24 | 2011-10-12 | 株式会社東芝 | 映像信号処理装置及び映像信号処理方法 |
JP5125215B2 (ja) * | 2006-06-15 | 2013-01-23 | 株式会社Jvcケンウッド | 映像表示装置及び映像表示方法 |
SG138579A1 (en) * | 2006-06-26 | 2008-01-28 | Genesis Microchip Inc | Universal, highly configurable video and graphic measurement device |
US7881547B2 (en) * | 2006-07-28 | 2011-02-01 | Genesis Microchip Inc. | Video window detector |
JP2008153737A (ja) * | 2006-12-14 | 2008-07-03 | Toshiba Corp | 映像信号処理装置および映像信号処理方法 |
JP4304678B2 (ja) * | 2007-01-16 | 2009-07-29 | セイコーエプソン株式会社 | 画像処理装置 |
JP5103984B2 (ja) * | 2007-03-29 | 2012-12-19 | 株式会社ニコン | 画像処理装置、撮像装置、および画像処理プログラム |
JP4983415B2 (ja) | 2007-06-11 | 2012-07-25 | ソニー株式会社 | 画像信号処理装置、画像信号処理方法及びプログラム |
JP4835525B2 (ja) * | 2007-07-04 | 2011-12-14 | ソニー株式会社 | 画像処理装置、画像処理方法及びプログラム |
US8411983B2 (en) * | 2007-08-31 | 2013-04-02 | Ati Technologies Ulc | Method and apparatus for producing a contrast enhanced image |
JP4655079B2 (ja) * | 2007-11-06 | 2011-03-23 | ソニー株式会社 | 液晶表示装置、液晶表示モジュールおよび液晶表示装置の駆動方法 |
KR101448642B1 (ko) * | 2008-04-22 | 2014-10-08 | 엘지전자 주식회사 | 영상기기의 블랙 레벨 조정 방법 및 그 방법을 채용한영상기기 |
JP5169652B2 (ja) * | 2008-09-08 | 2013-03-27 | セイコーエプソン株式会社 | 画像処理装置、画像表示装置、画像処理方法及び画像表示方法 |
JP5111310B2 (ja) * | 2008-09-09 | 2013-01-09 | キヤノン株式会社 | 画像処理方法及び画像処理装置 |
JP2010103740A (ja) * | 2008-10-23 | 2010-05-06 | Panasonic Corp | デジタルカメラ |
JP2010278929A (ja) * | 2009-05-29 | 2010-12-09 | Toshiba Corp | 画像処理装置 |
CN102612697B (zh) * | 2009-07-21 | 2014-10-22 | 高通股份有限公司 | 用于视频图像的检测和增强的方法及系统 |
JP5683255B2 (ja) * | 2010-12-21 | 2015-03-11 | キヤノン株式会社 | 画像処理装置及び方法 |
US8520133B2 (en) * | 2010-12-21 | 2013-08-27 | Samsung Electronics Co., Ltd | Imaging apparatus and method |
KR101260010B1 (ko) * | 2011-08-05 | 2013-05-06 | 주식회사 아이덴코아 | 보상기능을 갖는 비디오 디코딩 시스템 |
KR101987764B1 (ko) * | 2012-09-12 | 2019-06-11 | 삼성전자주식회사 | 선명도 향상 장치 및 방법 |
KR101634652B1 (ko) * | 2014-08-28 | 2016-06-29 | 인천대학교 산학협력단 | 영상의 대비 강화 방법 및 장치 |
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EP0454355B1 (en) * | 1990-04-27 | 1996-12-27 | Canon Kabushiki Kaisha | Image signal processing apparatus for edge enhancement |
US5271064A (en) * | 1991-06-14 | 1993-12-14 | University Of Cincinnati | Apparatus and method for smoothing regions and enhancing edges in gray scale images |
JP2752810B2 (ja) | 1991-08-23 | 1998-05-18 | 三菱電機株式会社 | 輪郭修整回路 |
US5224177A (en) * | 1991-10-31 | 1993-06-29 | The University Of Chicago | High quality film image correction and duplication method and system |
EP0664038B1 (en) * | 1992-02-18 | 2000-10-11 | Neopath, Inc. | Method for identifying objects using data processing techniques |
US6118886A (en) * | 1993-03-30 | 2000-09-12 | The United States Of America As Represented By The United States Department Of Energy | Automatic target recognition apparatus and method |
JPH0856316A (ja) | 1994-06-09 | 1996-02-27 | Sony Corp | 画像処理装置 |
US5978497A (en) * | 1994-09-20 | 1999-11-02 | Neopath, Inc. | Apparatus for the identification of free-lying cells |
JP3298330B2 (ja) | 1994-10-06 | 2002-07-02 | 松下電器産業株式会社 | 撮像装置 |
WO1996010886A1 (fr) | 1994-09-30 | 1996-04-11 | Matsushita Electric Industrial Co., Ltd. | Dispositif de prise de vues |
JP3714491B2 (ja) | 1996-02-26 | 2005-11-09 | 富士写真フイルム株式会社 | 輪郭強調方法 |
JP3696345B2 (ja) * | 1996-10-03 | 2005-09-14 | 富士写真フイルム株式会社 | 画像処理方法及び装置 |
US6583811B2 (en) * | 1996-10-25 | 2003-06-24 | Fuji Photo Film Co., Ltd. | Photographic system for recording data and reproducing images using correlation data between frames |
JP4131348B2 (ja) | 1998-11-18 | 2008-08-13 | ソニー株式会社 | 画像処理装置及び画像処理方法 |
JP3215400B1 (ja) | 1999-05-10 | 2001-10-02 | 松下電器産業株式会社 | 画像表示装置および画像表示方法 |
US6804408B1 (en) * | 1999-12-22 | 2004-10-12 | Eastman Kodak Company | Method for enhancing a digital image with noise-dependent control of texture |
EP1195054A1 (en) * | 2000-03-15 | 2002-04-10 | Koninklijke Philips Electronics N.V. | Video-apparatus with peaking filter |
JP3769463B2 (ja) * | 2000-07-06 | 2006-04-26 | 株式会社日立製作所 | 表示装置、表示装置を備えた画像再生装置及びその駆動方法 |
US6579239B1 (en) * | 2002-04-05 | 2003-06-17 | Ge Medical Systems Global Technology Company, Llc | System and method for automatic adjustment of brightness and contrast in images |
JP4175024B2 (ja) * | 2002-05-22 | 2008-11-05 | ソニー株式会社 | 画像表示装置および画像処理装置、並びに画像処理方法 |
-
2003
- 2003-12-10 JP JP2003411178A patent/JP4200890B2/ja not_active Expired - Lifetime
-
2004
- 2004-11-29 US US10/998,163 patent/US7382414B2/en active Active
- 2004-12-08 CN CNB2004100970220A patent/CN1328902C/zh active Active
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101299965B (zh) * | 2005-11-02 | 2012-08-01 | 皇家飞利浦电子股份有限公司 | 用于在介入操作期间进行轮廓绘制和图像显示的图像处理系统和方法 |
US8237867B2 (en) | 2006-07-27 | 2012-08-07 | Samsung Electronics Co., Ltd. | Dynamic gain adjustment method based on brightness and apparatus thereof |
CN107203974A (zh) * | 2016-03-16 | 2017-09-26 | 汤姆逊许可公司 | 扩展的高动态范围hdr到hdr色调映射的方法、装置和系统 |
CN107203974B (zh) * | 2016-03-16 | 2021-11-23 | 交互数字麦迪逊专利控股公司 | 扩展的高动态范围hdr到hdr色调映射的方法、装置和系统 |
Also Published As
Publication number | Publication date |
---|---|
CN1328902C (zh) | 2007-07-25 |
US7382414B2 (en) | 2008-06-03 |
US20050128358A1 (en) | 2005-06-16 |
JP4200890B2 (ja) | 2008-12-24 |
JP2005175735A (ja) | 2005-06-30 |
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