CN100362851C - 图像信号处理装置 - Google Patents

图像信号处理装置 Download PDF

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Publication number
CN100362851C
CN100362851C CNB200510052936XA CN200510052936A CN100362851C CN 100362851 C CN100362851 C CN 100362851C CN B200510052936X A CNB200510052936X A CN B200510052936XA CN 200510052936 A CN200510052936 A CN 200510052936A CN 100362851 C CN100362851 C CN 100362851C
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CN
China
Prior art keywords
signal
circuit
mentioned
gain
image signal
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Expired - Fee Related
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CNB200510052936XA
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English (en)
Chinese (zh)
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CN1668067A (zh
Inventor
中茎俊朗
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.)
Sanyo Electric Co Ltd
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Sanyo Electric Co Ltd
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Publication date
Application filed by Sanyo Electric Co Ltd filed Critical Sanyo Electric Co Ltd
Publication of CN1668067A publication Critical patent/CN1668067A/zh
Application granted granted Critical
Publication of CN100362851C publication Critical patent/CN100362851C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • 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
    • H04N5/142—Edging; Contouring
    • 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
    • H04N5/202—Gamma control
    • 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)
  • Image Processing (AREA)
CNB200510052936XA 2004-03-11 2005-03-02 图像信号处理装置 Expired - Fee Related CN100362851C (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2004068299A JP2005260517A (ja) 2004-03-11 2004-03-11 画像信号処理装置
JP2004068299 2004-03-11
JP2004-068299 2004-03-11

Publications (2)

Publication Number Publication Date
CN1668067A CN1668067A (zh) 2005-09-14
CN100362851C true CN100362851C (zh) 2008-01-16

Family

ID=34918440

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB200510052936XA Expired - Fee Related CN100362851C (zh) 2004-03-11 2005-03-02 图像信号处理装置

Country Status (4)

Country Link
US (1) US7420623B2 (https=)
JP (1) JP2005260517A (https=)
CN (1) CN100362851C (https=)
TW (1) TWI257246B (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101661615B (zh) * 2008-08-27 2012-04-25 卡西欧计算机株式会社 对对象图像实施灰度修正的图像处理装置

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006179975A (ja) * 2004-12-20 2006-07-06 Toshiba Corp 映像信号処理装置、映像信号処理方法及びテレビ放送受信装置
JP4626393B2 (ja) * 2005-05-17 2011-02-09 パナソニック電工株式会社 輪郭強調回路
JP4068634B2 (ja) * 2005-09-26 2008-03-26 株式会社東芝 映像信号処理装置及び映像信号処理方法
JP4667197B2 (ja) * 2005-10-12 2011-04-06 シャープ株式会社 画像表示装置及び画像表示方法
JP5034436B2 (ja) * 2006-10-19 2012-09-26 ソニー株式会社 画像処理装置および画像処理方法、並びにカメラシステム
JP2008109329A (ja) * 2006-10-25 2008-05-08 Infovision Optoelectronics Holdings Ltd 映像信号ガンマ補正回路
JP4895834B2 (ja) * 2007-01-23 2012-03-14 Ｈｏｙａ株式会社 画像処理装置
SE531942C2 (sv) * 2007-02-01 2009-09-15 Flir Systems Ab Metod för bildbehandling av IR-bilder innefattande kontrastförhöjande filtrering
JP4757221B2 (ja) * 2007-03-30 2011-08-24 富士フイルム株式会社 撮像装置及び方法
US8078001B2 (en) * 2007-05-11 2011-12-13 Micron Technology, Inc. Methods, apparatuses and systems for piecewise generation of pixel correction values for image processing
JP4314305B1 (ja) * 2008-02-04 2009-08-12 シャープ株式会社 鮮鋭化画像処理装置、方法、及びソフトウェア
JP5083046B2 (ja) * 2008-06-03 2012-11-28 ソニー株式会社 撮像装置及び撮像方法
JP5075795B2 (ja) 2008-11-14 2012-11-21 株式会社東芝 固体撮像装置
US8675060B2 (en) * 2009-08-28 2014-03-18 Indian Institute Of Science Machine vision based obstacle avoidance system
CN101859224B (zh) * 2010-04-30 2012-04-18 陈铸 一种从数字图片图像中抠取目标对象的方法和系统
JP5557635B2 (ja) * 2010-07-21 2014-07-23 Ｈｏｙａ株式会社 輪郭強調装置
JP5849534B2 (ja) * 2011-08-30 2016-01-27 株式会社リコー 画像処理装置及び画像処理プログラム
US8559745B2 (en) * 2011-09-22 2013-10-15 Himax Imaging Limited Image signal processor and method for image enhancement
JP5743918B2 (ja) * 2012-01-31 2015-07-01 株式会社東芝 画像処理装置
CN102780835A (zh) * 2012-08-06 2012-11-14 矽创电子股份有限公司 影像处理装置
KR20140086632A (ko) 2012-12-28 2014-07-08 삼성디스플레이 주식회사 영상 처리 장치 및 그것을 포함하는 표시 장치
JP6403490B2 (ja) * 2014-08-20 2018-10-10 キヤノン株式会社 画像処理装置、画像形成装置、画像処理方法及びプログラム。
EP3734954B1 (en) 2017-12-27 2023-03-22 Panasonic Intellectual Property Management Co., Ltd. Display device and display method

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6285411B1 (en) * 1997-10-10 2001-09-04 Philips Electronics North America Corporation Circuit for video moiré reduction
US6433836B1 (en) * 1997-03-25 2002-08-13 Fujitsu General Limited Contour emphasizing circuit
JP2003032513A (ja) * 2001-07-17 2003-01-31 Sanyo Electric Co Ltd 画像信号処理装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001119610A (ja) * 1999-08-10 2001-04-27 Alps Electric Co Ltd 輪郭検出回路及び画像表示装置
JP2002344746A (ja) * 2001-05-22 2002-11-29 Sanyo Electric Co Ltd 輪郭補正回路および輪郭補正方法
US7130483B2 (en) * 2001-12-12 2006-10-31 Samsung Electronics Co., Ltd. Method for enhancing a digital image while suppressing undershoots and overshoots
US7260267B2 (en) * 2002-02-20 2007-08-21 Fujifilm Corporation Image processing apparatus, computer readable medium storing program, image processing method, image capturing apparatus, printing apparatus, and scanning apparatus

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6433836B1 (en) * 1997-03-25 2002-08-13 Fujitsu General Limited Contour emphasizing circuit
US6285411B1 (en) * 1997-10-10 2001-09-04 Philips Electronics North America Corporation Circuit for video moiré reduction
JP2003032513A (ja) * 2001-07-17 2003-01-31 Sanyo Electric Co Ltd 画像信号処理装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101661615B (zh) * 2008-08-27 2012-04-25 卡西欧计算机株式会社 对对象图像实施灰度修正的图像处理装置

Also Published As

Publication number Publication date
TWI257246B (en) 2006-06-21
JP2005260517A (ja) 2005-09-22
CN1668067A (zh) 2005-09-14
US20050200760A1 (en) 2005-09-15
TW200531532A (en) 2005-09-16
US7420623B2 (en) 2008-09-02

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Granted publication date: 20080116

Termination date: 20130302