HK1051614A1 - Shading correction circuit and digital camera signal processing circuit using the same - Google Patents

Shading correction circuit and digital camera signal processing circuit using the same

Info

Publication number
HK1051614A1
HK1051614A1 HK03103808A HK03103808A HK1051614A1 HK 1051614 A1 HK1051614 A1 HK 1051614A1 HK 03103808 A HK03103808 A HK 03103808A HK 03103808 A HK03103808 A HK 03103808A HK 1051614 A1 HK1051614 A1 HK 1051614A1
Authority
HK
Hong Kong
Prior art keywords
signal processing
same
digital camera
shading correction
camera signal
Prior art date
Application number
HK03103808A
Other languages
English (en)
Inventor
Hidemitsu Niko
Original Assignee
Nec Corp
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 Nec Corp filed Critical Nec Corp
Publication of HK1051614A1 publication Critical patent/HK1051614A1/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/80—Camera processing pipelines; Components thereof
    • H04N23/81—Camera processing pipelines; Components thereof for suppressing or minimising disturbance in the image signal generation

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Picture Signal Circuits (AREA)
  • Studio Devices (AREA)
  • Image Input (AREA)
  • Image Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Processing Of Color Television Signals (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
HK03103808A 2001-04-23 2003-05-28 Shading correction circuit and digital camera signal processing circuit using the same HK1051614A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001124910A JP4151232B2 (ja) 2001-04-23 2001-04-23 シェーディング補正回路及び方法

Publications (1)

Publication Number Publication Date
HK1051614A1 true HK1051614A1 (en) 2003-08-08

Family

ID=18974213

Family Applications (1)

Application Number Title Priority Date Filing Date
HK03103808A HK1051614A1 (en) 2001-04-23 2003-05-28 Shading correction circuit and digital camera signal processing circuit using the same

Country Status (5)

Country Link
US (1) US7075574B2 (xx)
JP (1) JP4151232B2 (xx)
CN (1) CN1251517C (xx)
GB (1) GB2376589B (xx)
HK (1) HK1051614A1 (xx)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7379104B2 (en) * 2003-05-02 2008-05-27 Canon Kabushiki Kaisha Correction apparatus
JP4329409B2 (ja) * 2003-05-23 2009-09-09 株式会社ニコン 電子カメラのシェーディング補正回路
JP4496976B2 (ja) * 2005-02-04 2010-07-07 日本電気株式会社 ノイズ軽減回路
JP2006237686A (ja) * 2005-02-22 2006-09-07 Matsushita Electric Ind Co Ltd 撮像装置
JP2007006453A (ja) * 2005-05-24 2007-01-11 Konica Minolta Holdings Inc 固体撮像装置
JP4712497B2 (ja) * 2005-09-15 2011-06-29 ローム株式会社 フィルタ回路、並びに、これを用いたイメージセンサ、イメージセンサモジュール、画像読取装置
JP4719564B2 (ja) * 2005-12-08 2011-07-06 キヤノン株式会社 撮像装置、その制御方法及びプログラム
US7834886B2 (en) * 2007-07-18 2010-11-16 Ross Video Limited Methods and apparatus for dynamic correction of data for non-uniformity
US20140372074A1 (en) * 2013-06-14 2014-12-18 Memsic, Inc. Tip-over sensor

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS633569A (ja) 1986-06-23 1988-01-08 Hitachi Ltd シエ−デイング補正装置
JPH08307674A (ja) 1995-04-27 1996-11-22 Suzuka Fuji Xerox Kk 画像読取装置のシェーディング補正方法および画像読取装置
JPH09224156A (ja) 1996-02-15 1997-08-26 Ricoh Co Ltd 画像処理装置
JPH09247473A (ja) * 1996-03-07 1997-09-19 Minolta Co Ltd 画像形成装置
JP2002247371A (ja) * 2001-02-21 2002-08-30 Ricoh Co Ltd 画像処理装置および画像処理プログラムを記録した記録媒体

Also Published As

Publication number Publication date
CN1383331A (zh) 2002-12-04
CN1251517C (zh) 2006-04-12
US20020167613A1 (en) 2002-11-14
GB2376589B (en) 2005-06-08
GB0209261D0 (en) 2002-06-05
GB2376589A (en) 2002-12-18
US7075574B2 (en) 2006-07-11
JP4151232B2 (ja) 2008-09-17
JP2002320088A (ja) 2002-10-31

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20100423