CN100394766C - 图像信号处理装置和图像信号处理方法 - Google Patents

图像信号处理装置和图像信号处理方法 Download PDF

Info

Publication number
CN100394766C
CN100394766C CNB2005100541056A CN200510054105A CN100394766C CN 100394766 C CN100394766 C CN 100394766C CN B2005100541056 A CNB2005100541056 A CN B2005100541056A CN 200510054105 A CN200510054105 A CN 200510054105A CN 100394766 C CN100394766 C CN 100394766C
Authority
CN
China
Prior art keywords
signal
mentioned
emphasizing contour
image
image signal
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
Application number
CNB2005100541056A
Other languages
English (en)
Chinese (zh)
Other versions
CN1665275A (zh
Inventor
杉本光势
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canon Inc
Original Assignee
Canon Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Canon Inc filed Critical Canon Inc
Publication of CN1665275A publication Critical patent/CN1665275A/zh
Application granted granted Critical
Publication of CN100394766C publication Critical patent/CN100394766C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/73—Deblurring; Sharpening
    • G06T5/75—Unsharp masking
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/04—Cleaning involving contact with liquid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B1/00—Cleaning by methods involving the use of tools
    • B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
    • B08B1/12—Brushes

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Picture Signal Circuits (AREA)
CNB2005100541056A 2004-03-05 2005-03-04 图像信号处理装置和图像信号处理方法 Expired - Fee Related CN100394766C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2004063018A JP4497959B2 (ja) 2004-03-05 2004-03-05 映像信号処理装置及び映像信号処理方法
JP2004063018 2004-03-05

Publications (2)

Publication Number Publication Date
CN1665275A CN1665275A (zh) 2005-09-07
CN100394766C true CN100394766C (zh) 2008-06-11

Family

ID=34747709

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB2005100541056A Expired - Fee Related CN100394766C (zh) 2004-03-05 2005-03-04 图像信号处理装置和图像信号处理方法

Country Status (6)

Country Link
US (1) US7606438B2 (enExample)
EP (1) EP1571592B1 (enExample)
JP (1) JP4497959B2 (enExample)
KR (1) KR100714204B1 (enExample)
CN (1) CN100394766C (enExample)
DE (1) DE602005022135D1 (enExample)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4533330B2 (ja) * 2005-04-12 2010-09-01 キヤノン株式会社 画像形成装置及び画像形成方法
US7840066B1 (en) * 2005-11-15 2010-11-23 University Of Tennessee Research Foundation Method of enhancing a digital image by gray-level grouping
JP4989497B2 (ja) * 2008-01-18 2012-08-01 キヤノン株式会社 画像処理装置、画像処理方法及びそのプログラム
US8004871B2 (en) 2008-05-26 2011-08-23 Panasonic Corporation Semiconductor memory device including FET memory elements
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
KR101362169B1 (ko) * 2008-09-24 2014-02-13 엘지디스플레이 주식회사 감마 보정 시스템 및 그의 보정방법
US8125569B2 (en) * 2008-12-03 2012-02-28 Sony Corporation Dynamic contrast on displays using average picture level and histogram analysis
JP2010154298A (ja) * 2008-12-25 2010-07-08 Toshiba Corp 映像処理装置、映像処理方法及び映像表示装置
WO2010137387A1 (ja) * 2009-05-27 2010-12-02 シャープ株式会社 画像処理装置及びプログラム
US8104324B2 (en) 2010-03-02 2012-01-31 Bio-Applications, LLC Intra-extra oral shock-sensing and indicating systems and other shock-sensing and indicating systems
CN102196153B (zh) * 2010-03-03 2013-07-03 鸿富锦精密工业（深圳）有限公司 图像场景亮度差判断装置及亮度差判断方法
KR101861795B1 (ko) * 2011-03-24 2018-05-29 삼성디스플레이 주식회사 유기전계 발광 표시장치용 휘도 보정 시스템
KR102615070B1 (ko) * 2016-10-12 2023-12-19 삼성전자주식회사 디스플레이 장치, 및 그 제어방법

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1302045A (zh) * 1999-12-27 2001-07-04 诺日士钢机株式会社 图象处理方法和记录了图象处理程序的记录媒体
US6453068B1 (en) * 1999-09-17 2002-09-17 Xerox Corporation Luminance enhancement with overshoot reduction control based on chrominance information
US6580835B1 (en) * 1999-06-02 2003-06-17 Eastman Kodak Company Method for enhancing the edge contrast of a digital image
US20030179947A1 (en) * 2002-02-20 2003-09-25 Masahiko Sugimoto Image processing apparatus, computer readable medium storing program, image processing method, image capturing apparatus, printing apparatus, and scanning apparatus
EP1242975B1 (en) * 1999-12-22 2005-01-19 Nokia Corporation Digital imaging

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2621244B2 (ja) 1987-11-09 1997-06-18 ソニー株式会社 映像信号処理装置
JPH0252575A (ja) * 1988-08-16 1990-02-22 Nippon Hoso Kyokai <Nhk> 画質調整回路
JP2512562B2 (ja) * 1989-10-12 1996-07-03 松下電器産業株式会社 階調補正装置
FR2656484A1 (fr) * 1989-12-22 1991-06-28 Thomson Csf Dispositif de correction de gamma des signaux video destines a un ecran de visualisation et recepteur de television comportant un ecran recevant des signaux d'un tel dispositif.
JP3215146B2 (ja) * 1992-02-14 2001-10-02 株式会社リコー 画像処理装置
JPH06178153A (ja) * 1992-12-07 1994-06-24 Fujitsu General Ltd ダイナミックガンマ補正回路
US5394195A (en) 1993-06-14 1995-02-28 Philips Electronics North America Corporation Method and apparatus for performing dynamic gamma contrast control
US5982926A (en) * 1995-01-17 1999-11-09 At & T Ipm Corp. Real-time image enhancement techniques
JP3326676B2 (ja) * 1996-04-26 2002-09-24 ソニー株式会社 輪郭補正回路及びそれを用いた撮像装置
US5793886A (en) * 1996-12-19 1998-08-11 Eastman Kodak Company Method of adjusting image pixel values within an image sequence by interpolation of target cumulative histograms for images to be adjusted
JPH10200750A (ja) * 1997-01-07 1998-07-31 Canon Inc 輪郭強調装置、画像処理装置、及び画像処理方法
US7012719B1 (en) * 1998-06-25 2006-03-14 Ricoh Co., Ltd. Sign sensitive aperture correction system and method
JP3992403B2 (ja) * 1998-06-25 2007-10-17 株式会社リコー 画像信号処理装置および画像信号処理方法
JP2002158896A (ja) * 2000-11-16 2002-05-31 Sony Corp アパーチャ補正回路
JP3543774B2 (ja) * 2001-03-19 2004-07-21 ミノルタ株式会社 画像処理装置、画像処理方法および記録媒体
JP2003150130A (ja) * 2001-11-16 2003-05-23 Sanyo Electric Co Ltd 液晶表示装置における輪郭強調回路
JP2003224740A (ja) * 2002-01-29 2003-08-08 Fuji Photo Film Co Ltd 非線形信号処理装置及び画像信号処理装置
JP4101673B2 (ja) * 2002-02-20 2008-06-18 富士フイルム株式会社 画像処理装置
JP2003283873A (ja) 2002-03-20 2003-10-03 Sanyo Electric Co Ltd 輪郭強調回路
US6835762B1 (en) * 2002-05-31 2004-12-28 Henkel Corporation Cure accelerators for anaerobic curable compositions
JP4484722B2 (ja) * 2004-02-27 2010-06-16 キヤノン株式会社 画像信号処理方法及び画像信号処理回路

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6580835B1 (en) * 1999-06-02 2003-06-17 Eastman Kodak Company Method for enhancing the edge contrast of a digital image
US6453068B1 (en) * 1999-09-17 2002-09-17 Xerox Corporation Luminance enhancement with overshoot reduction control based on chrominance information
EP1242975B1 (en) * 1999-12-22 2005-01-19 Nokia Corporation Digital imaging
CN1302045A (zh) * 1999-12-27 2001-07-04 诺日士钢机株式会社 图象处理方法和记录了图象处理程序的记录媒体
US20030179947A1 (en) * 2002-02-20 2003-09-25 Masahiko Sugimoto Image processing apparatus, computer readable medium storing program, image processing method, image capturing apparatus, printing apparatus, and scanning apparatus

Also Published As

Publication number Publication date
JP4497959B2 (ja) 2010-07-07
KR100714204B1 (ko) 2007-05-02
EP1571592B1 (en) 2010-07-07
KR20060043412A (ko) 2006-05-15
EP1571592A2 (en) 2005-09-07
DE602005022135D1 (de) 2010-08-19
CN1665275A (zh) 2005-09-07
JP2005252869A (ja) 2005-09-15
US7606438B2 (en) 2009-10-20
US20050196064A1 (en) 2005-09-08
EP1571592A3 (en) 2005-12-21

Similar Documents

Publication Publication Date Title
US7881549B2 (en) Visual processing device, display device, visual processing method, program, and integrated circuit
US7773158B2 (en) Visual processing device, display device, and integrated circuit
EP3087730B1 (en) Method for inverse tone mapping of an image
DE69836540T2 (de) Verfahren und vorrichtung zur ausführung von bildverbesserungen
CN101809590B (zh) 基于内容的图像调节
DE69423541T2 (de) Bildkontrastregelung durch Gammasteuerung
CN100394766C (zh) 图像信号处理装置和图像信号处理方法
US10013745B2 (en) Method for inverse tone mapping of a sequence of images
US6753910B1 (en) Image processing apparatus and image processing method
CA2036100C (en) Gradation correcting apparatus
DE20080319U1 (de) Videokamera, bei der die Hauptfunktionen in der Hauptrechnersoftware implementiert werden
JP3184309B2 (ja) 階調補正回路及び撮像装置
JPH09224174A (ja) 積分ルックアップテーブルを用いる適応型ガンマ補正装置
JPH0723284A (ja) 自動画質調整装置
US20230076845A1 (en) Video processing device, video processing method, video generation device, video generation method, and recording medium
KR102245835B1 (ko) 입력영상 전처리를 이용한 화질보정방법
EP1003340B1 (en) A method and an arrangement for aligning input and output video sequences for video quality measurement
JPH10173958A (ja) 映像信号処理装置
KR100512926B1 (ko) 히스토그램을 이용한 영상품질 보상장치
JP3033309B2 (ja) 階調補正装置
US8587725B2 (en) Method of digital signal processing
JP2006157469A (ja) 画像処理装置、画像処理方法及び撮像装置
JPH1117985A (ja) 画質補正回路
WO2007004111A1 (en) Method and system of converting rgb image data to ycbcr image data

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: 20080611

Termination date: 20170304