EP1946542A4 - Method and system for vignetting elimination in digital image - Google Patents

Method and system for vignetting elimination in digital image

Info

Publication number
EP1946542A4
EP1946542A4 EP05819749A EP05819749A EP1946542A4 EP 1946542 A4 EP1946542 A4 EP 1946542A4 EP 05819749 A EP05819749 A EP 05819749A EP 05819749 A EP05819749 A EP 05819749A EP 1946542 A4 EP1946542 A4 EP 1946542A4
Authority
EP
European Patent Office
Prior art keywords
digital image
vignetting elimination
vignetting
elimination
digital
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.)
Withdrawn
Application number
EP05819749A
Other languages
German (de)
French (fr)
Other versions
EP1946542A1 (en
Inventor
Jarmo Nikkanen
Ossi Kalevo
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.)
Nokia Oyj
Original Assignee
Nokia Oyj
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 Nokia Oyj filed Critical Nokia Oyj
Publication of EP1946542A1 publication Critical patent/EP1946542A1/en
Publication of EP1946542A4 publication Critical patent/EP1946542A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/80—Camera processing pipelines; Components thereof
    • H04N23/84—Camera processing pipelines; Components thereof for processing colour signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Studio Devices (AREA)
  • Color Television Image Signal Generators (AREA)
EP05819749A 2005-10-13 2005-10-13 Method and system for vignetting elimination in digital image Withdrawn EP1946542A4 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IB2005/003057 WO2007042853A1 (en) 2005-10-13 2005-10-13 Method and system for vignetting elimination in digital image

Publications (2)

Publication Number Publication Date
EP1946542A1 EP1946542A1 (en) 2008-07-23
EP1946542A4 true EP1946542A4 (en) 2010-08-11

Family

ID=37942348

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05819749A Withdrawn EP1946542A4 (en) 2005-10-13 2005-10-13 Method and system for vignetting elimination in digital image

Country Status (4)

Country Link
EP (1) EP1946542A4 (en)
JP (1) JP2009512303A (en)
CN (1) CN101292519B (en)
WO (1) WO2007042853A1 (en)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8085391B2 (en) 2007-08-02 2011-12-27 Aptina Imaging Corporation Integrated optical characteristic measurements in a CMOS image sensor
CN101534450B (en) * 2008-03-11 2012-03-28 鸿富锦精密工业（深圳）有限公司 Image retrieving device, and unit and method thereof for establishing gain form
US8130292B2 (en) 2008-12-31 2012-03-06 Aptina Imaging Corporation Scene illumination adaptive lens shading correction for imaging devices
EP2422524A4 (en) * 2009-04-22 2014-05-07 Hewlett Packard Development Co Spatially-varying spectral response calibration data
KR20110135720A (en) * 2010-06-11 2011-12-19 삼성전자주식회사 Apparatus and method for generating lens shading compensation table according to photographing environment
US8588523B2 (en) * 2011-06-01 2013-11-19 Nokia Corporation Method and apparatus for image signal processing
US8823841B2 (en) * 2012-06-20 2014-09-02 Omnivision Technologies, Inc. Method and apparatus for correcting for vignetting in an imaging system
CN102905077B (en) * 2012-10-09 2014-12-17 深圳市掌网立体时代视讯技术有限公司 Image vignetting brightness regulating method and device
TWI549511B (en) * 2014-03-19 2016-09-11 智原科技股份有限公司 Image sensing apparatus and color-correction matrix correcting method and look-up table establishing method
CN105100550A (en) * 2014-04-21 2015-11-25 展讯通信（上海）有限公司 Shadow correction method and device and imaging system
CN105282401B (en) * 2014-06-13 2018-09-14 聚晶半导体股份有限公司 Video capturing device and its vignetting compensation method
TWI562636B (en) * 2014-06-16 2016-12-11 Altek Semiconductor Corp Image capture apparatus and image compensating method thereof
CN105306913B (en) * 2014-06-16 2017-05-24 聚晶半导体股份有限公司 image obtaining device and image compensation method thereof
CN104363389A (en) * 2014-11-11 2015-02-18 广东中星电子有限公司 Lens vignetting compensation method and system
CN104581098B (en) * 2014-12-01 2016-09-28 北京思比科微电子技术股份有限公司 A kind of adaptive processing method of lens shading
US10708526B2 (en) * 2015-04-22 2020-07-07 Motorola Mobility Llc Method and apparatus for determining lens shading correction for a multiple camera device with various fields of view
EP3096512B1 (en) * 2015-05-18 2017-03-22 Axis AB Method and camera for producing an image stabilized video
US10379049B2 (en) * 2015-10-15 2019-08-13 Lumos Diagnostics IP Pty Ltd Device for reading an IVD assay
CN106101588B (en) * 2016-07-08 2019-05-14 成都易瞳科技有限公司 The compensation method of panoramic picture gradual halation phenomena
CN107222681B (en) * 2017-06-30 2018-11-30 维沃移动通信有限公司 A kind of processing method and mobile terminal of image data
GB2578329B (en) 2018-10-24 2022-11-09 Advanced Risc Mach Ltd Retaining dynamic range using vignetting correction and intensity compression curves
CN111953953A (en) * 2019-05-17 2020-11-17 北京地平线机器人技术研发有限公司 Method and device for adjusting pixel brightness and electronic equipment

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1251461A2 (en) * 2001-04-04 2002-10-23 Eastman Kodak Company Method for compensating a digital image for light falloff while minimizing light balance change
US20030234864A1 (en) * 2002-06-20 2003-12-25 Matherson Kevin J. Method and apparatus for producing calibration data for a digital camera
WO2005066893A1 (en) * 2003-12-30 2005-07-21 Zoran Corporation Techniques for modifying image field data

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6833862B1 (en) * 1999-06-30 2004-12-21 Logitech, Inc. Image sensor based vignetting correction
JP2001275029A (en) * 2000-03-28 2001-10-05 Minolta Co Ltd Digital camera, its image signal processing method and recording medium
JP2003289474A (en) * 2002-03-27 2003-10-10 Canon Inc Image processor, imaging apparatus, image processing method, program, and computer-readable storage medium
JP3680827B2 (en) * 2002-08-27 2005-08-10 コニカミノルタフォトイメージング株式会社 Digital camera
EP1447977A1 (en) * 2003-02-12 2004-08-18 Dialog Semiconductor GmbH Vignetting compensation

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1251461A2 (en) * 2001-04-04 2002-10-23 Eastman Kodak Company Method for compensating a digital image for light falloff while minimizing light balance change
US20030234864A1 (en) * 2002-06-20 2003-12-25 Matherson Kevin J. Method and apparatus for producing calibration data for a digital camera
WO2005066893A1 (en) * 2003-12-30 2005-07-21 Zoran Corporation Techniques for modifying image field data

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2007042853A1 *

Also Published As

Publication number Publication date
EP1946542A1 (en) 2008-07-23
WO2007042853A1 (en) 2007-04-19
CN101292519B (en) 2010-05-12
CN101292519A (en) 2008-10-22
JP2009512303A (en) 2009-03-19

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