JP4719505B2 - 映像信号処理装置及び映像信号処理方法 - Google Patents

映像信号処理装置及び映像信号処理方法 Download PDF

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Publication number
JP4719505B2
JP4719505B2 JP2005144344A JP2005144344A JP4719505B2 JP 4719505 B2 JP4719505 B2 JP 4719505B2 JP 2005144344 A JP2005144344 A JP 2005144344A JP 2005144344 A JP2005144344 A JP 2005144344A JP 4719505 B2 JP4719505 B2 JP 4719505B2
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Japan
Prior art keywords
video signal
optical black
black level
correction
image
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Expired - Fee Related
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JP2005144344A
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English (en)
Japanese (ja)
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JP2006324788A5 (enExample
JP2006324788A (ja
Inventor
正明 松岡
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Canon Inc
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Canon Inc
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Application filed by Canon Inc filed Critical Canon Inc
Priority to JP2005144344A priority Critical patent/JP4719505B2/ja
Priority to US11/432,820 priority patent/US7688367B2/en
Publication of JP2006324788A publication Critical patent/JP2006324788A/ja
Publication of JP2006324788A5 publication Critical patent/JP2006324788A5/ja
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/40—Extracting pixel data from image sensors by controlling scanning circuits, e.g. by modifying the number of pixels sampled or to be sampled
    • H04N25/42—Extracting pixel data from image sensors by controlling scanning circuits, e.g. by modifying the number of pixels sampled or to be sampled by switching between different modes of operation using different resolutions or aspect ratios, e.g. switching between interlaced and non-interlaced mode
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/60—Noise processing, e.g. detecting, correcting, reducing or removing noise
    • H04N25/61—Noise processing, e.g. detecting, correcting, reducing or removing noise the noise originating only from the lens unit, e.g. flare, shading, vignetting or "cos4"
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/60—Noise processing, e.g. detecting, correcting, reducing or removing noise
    • H04N25/67—Noise processing, e.g. detecting, correcting, reducing or removing noise applied to fixed-pattern noise, e.g. non-uniformity of response
    • H04N25/671—Noise processing, e.g. detecting, correcting, reducing or removing noise applied to fixed-pattern noise, e.g. non-uniformity of response for non-uniformity detection or correction

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
  • Studio Devices (AREA)
JP2005144344A 2005-05-17 2005-05-17 映像信号処理装置及び映像信号処理方法 Expired - Fee Related JP4719505B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2005144344A JP4719505B2 (ja) 2005-05-17 2005-05-17 映像信号処理装置及び映像信号処理方法
US11/432,820 US7688367B2 (en) 2005-05-17 2006-05-11 Image signal processing apparatus and image signal processing method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005144344A JP4719505B2 (ja) 2005-05-17 2005-05-17 映像信号処理装置及び映像信号処理方法

Publications (3)

Publication Number Publication Date
JP2006324788A JP2006324788A (ja) 2006-11-30
JP2006324788A5 JP2006324788A5 (enExample) 2008-08-14
JP4719505B2 true JP4719505B2 (ja) 2011-07-06

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ID=37447949

Family Applications (1)

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JP2005144344A Expired - Fee Related JP4719505B2 (ja) 2005-05-17 2005-05-17 映像信号処理装置及び映像信号処理方法

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US (1) US7688367B2 (enExample)
JP (1) JP4719505B2 (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7787036B2 (en) * 2006-09-07 2010-08-31 Canon Kabushiki Kaisha Imaging apparatus configured to correct noise
US7817197B2 (en) * 2006-09-21 2010-10-19 Mediatek Singapore Pte Ltd Optical black calibration
JP5004843B2 (ja) * 2008-03-25 2012-08-22 キヤノン株式会社 撮像装置及び撮像方法
JP5814692B2 (ja) * 2011-08-15 2015-11-17 キヤノン株式会社 撮像装置及びその制御方法、プログラム

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69508345T2 (de) * 1994-11-12 1999-10-07 Sony Corp., Tokio/Tokyo Ansteuerverfahren einer CCD Festkörper-Bildaufnahmevorrichtung und Videokamera nach dem Verfahren
JP4030605B2 (ja) * 1995-11-10 2008-01-09 オリンパス株式会社 電子的撮像装置
US6750910B1 (en) * 1998-07-15 2004-06-15 Texas Instruments Incorporated Optical black and offset correction in CCD signal processing
JP2001186419A (ja) * 1999-12-24 2001-07-06 Nec Corp イメージセンサ及び画素読出し方法
JP2003143491A (ja) * 2001-11-02 2003-05-16 Canon Inc 撮像装置
JP2003259195A (ja) * 2002-02-26 2003-09-12 Minolta Co Ltd デジタルカメラ
JP4532819B2 (ja) * 2002-11-20 2010-08-25 キヤノン株式会社 撮像装置
JP4242669B2 (ja) 2003-03-04 2009-03-25 パナソニック株式会社 シェーディング補正方法および装置、並びにデジタルカメラ

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US7688367B2 (en) 2010-03-30
US20060262207A1 (en) 2006-11-23
JP2006324788A (ja) 2006-11-30

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