TW200420118A - Device and method for estimating light source, image pickup device and image processing method - Google Patents
Device and method for estimating light source, image pickup device and image processing methodInfo
- Publication number
- TW200420118A TW200420118A TW092130300A TW92130300A TW200420118A TW 200420118 A TW200420118 A TW 200420118A TW 092130300 A TW092130300 A TW 092130300A TW 92130300 A TW92130300 A TW 92130300A TW 200420118 A TW200420118 A TW 200420118A
- Authority
- TW
- Taiwan
- Prior art keywords
- light source
- estimating
- image pickup
- characteristic
- image processing
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 3
- 238000003672 processing method Methods 0.000 title 1
- 230000003595 spectral effect Effects 0.000 abstract 2
- 230000035945 sensitivity Effects 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/46—Colour picture communication systems
- H04N1/56—Processing of colour picture signals
- H04N1/60—Colour correction or control
- H04N1/6027—Correction or control of colour gradation or colour contrast
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/46—Colour picture communication systems
- H04N1/56—Processing of colour picture signals
- H04N1/60—Colour correction or control
- H04N1/6083—Colour correction or control controlled by factors external to the apparatus
- H04N1/6086—Colour correction or control controlled by factors external to the apparatus by scene illuminant, i.e. conditions at the time of picture capture, e.g. flash, optical filter used, evening, cloud, daylight, artificial lighting, white point measurement, colour temperature
-
- 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
- H04N23/88—Camera processing pipelines; Components thereof for processing colour signals for colour balance, e.g. white-balance circuits or colour temperature control
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Color Image Communication Systems (AREA)
- Color Television Image Signal Generators (AREA)
- Processing Of Color Television Signals (AREA)
- Facsimile Image Signal Circuits (AREA)
- Image Processing (AREA)
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
- Spectrometry And Color Measurement (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002328719A JP3767541B2 (ja) | 2002-11-12 | 2002-11-12 | 光源推定装置、光源推定方法、撮像装置および画像処理方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
TW200420118A true TW200420118A (en) | 2004-10-01 |
TWI241134B TWI241134B (en) | 2005-10-01 |
Family
ID=32310550
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW092130300A TWI241134B (en) | 2002-11-12 | 2003-10-30 | Device and method for estimating light source, image pickup device and image processing method |
Country Status (7)
Country | Link |
---|---|
US (1) | US7436997B2 (zh) |
EP (1) | EP1583371A4 (zh) |
JP (1) | JP3767541B2 (zh) |
KR (1) | KR20050074590A (zh) |
CN (1) | CN1732696A (zh) |
TW (1) | TWI241134B (zh) |
WO (1) | WO2004045219A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8229215B2 (en) | 2007-12-03 | 2012-07-24 | Omnivision Technologies, Inc. | Image sensor apparatus and method for scene illuminant estimation |
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US20060007239A1 (en) * | 2004-07-06 | 2006-01-12 | Harrison Charles F | Color correction system |
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JP5075648B2 (ja) * | 2008-01-15 | 2012-11-21 | オリンパス株式会社 | 画像処理装置、画像処理プログラムおよび画像処理方法 |
JP5435885B2 (ja) * | 2008-04-15 | 2014-03-05 | キヤノン株式会社 | 色処理装置、画像処理装置およびそれらの方法 |
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JP5517685B2 (ja) * | 2009-04-14 | 2014-06-11 | キヤノン株式会社 | 画像処理装置および方法 |
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JP5676906B2 (ja) * | 2010-04-13 | 2015-02-25 | 日本放送協会 | 色補正装置 |
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US10354929B2 (en) | 2012-05-08 | 2019-07-16 | Kla-Tencor Corporation | Measurement recipe optimization based on spectral sensitivity and process variation |
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US10321066B2 (en) | 2015-09-03 | 2019-06-11 | Kabushiki Kaisha Toshiba | Light source estimating apparatus and image pickup apparatus |
US9928441B2 (en) * | 2015-11-20 | 2018-03-27 | Infinity Augmented Reality Israel Ltd. | Method and a system for determining radiation sources characteristics in a scene based on shadowing analysis |
JP6786850B2 (ja) * | 2016-04-07 | 2020-11-18 | 富士ゼロックス株式会社 | 画像処理装置、画像処理方法、画像処理システムおよびプログラム |
US10134198B2 (en) | 2016-04-19 | 2018-11-20 | Adobe Systems Incorporated | Image compensation for an occluding direct-view augmented reality system |
CN106296658B (zh) * | 2016-07-28 | 2018-09-04 | 电子科技大学 | 一种基于相机响应函数的场景光源估计准确性提升方法 |
EP3504942A4 (en) | 2016-08-24 | 2020-07-15 | Delos Living LLC | SYSTEMS, METHODS AND ARTICLES FOR IMPROVING WELL-BEING IN LIVABLE ENVIRONMENTS |
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JP2019185730A (ja) * | 2018-03-30 | 2019-10-24 | キヤノン株式会社 | 画像処理装置、画像処理方法及びプログラム |
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WO2020026561A1 (ja) | 2018-08-01 | 2020-02-06 | ソニー株式会社 | 画像処理装置と画像処理方法とプログラムおよび撮像装置 |
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CN111787299B (zh) * | 2019-10-18 | 2022-06-14 | 西安宇视信息科技有限公司 | 特殊光源的确定方法、装置、介质及电子设备 |
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CN116385566B (zh) * | 2022-05-27 | 2024-04-30 | 上海玄戒技术有限公司 | 光源估计方法、装置、电子设备、芯片及存储介质 |
CN114827591B (zh) * | 2022-06-27 | 2022-10-18 | 东莞锐视光电科技有限公司 | 一种应用于光源相机系统的综合测定评价方法 |
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JPH05111059A (ja) * | 1991-10-15 | 1993-04-30 | Matsushita Electric Ind Co Ltd | 光源推定装置 |
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JP2001311666A (ja) | 2000-04-28 | 2001-11-09 | Toppan Printing Co Ltd | 測色変換係数算出方法と測色画像変換方法、及び、測色変換係数算出装置と測色画像変換装置、並びに、測色変換係数算出プログラム又は測色的撮像プログラムを記録したコンピュータ読み取り可能な情報記録媒体 |
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-
2002
- 2002-11-12 JP JP2002328719A patent/JP3767541B2/ja not_active Expired - Fee Related
-
2003
- 2003-10-30 TW TW092130300A patent/TWI241134B/zh active
- 2003-11-12 EP EP03772709A patent/EP1583371A4/en not_active Withdrawn
- 2003-11-12 WO PCT/JP2003/014377 patent/WO2004045219A1/ja active Application Filing
- 2003-11-12 US US10/534,432 patent/US7436997B2/en not_active Expired - Fee Related
- 2003-11-12 KR KR1020057008387A patent/KR20050074590A/ko not_active Application Discontinuation
- 2003-11-12 CN CNA2003801078376A patent/CN1732696A/zh active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8229215B2 (en) | 2007-12-03 | 2012-07-24 | Omnivision Technologies, Inc. | Image sensor apparatus and method for scene illuminant estimation |
US8620074B2 (en) | 2007-12-03 | 2013-12-31 | Omnivision Technologies, Inc. | Image sensor apparatus and method for scene illuminant estimation |
US8768055B2 (en) | 2007-12-03 | 2014-07-01 | Omnivision Technologies, Inc. | Image sensor apparatus and method for scene illuminant estimation |
Also Published As
Publication number | Publication date |
---|---|
CN1732696A (zh) | 2006-02-08 |
US7436997B2 (en) | 2008-10-14 |
WO2004045219A1 (ja) | 2004-05-27 |
JP2004165932A (ja) | 2004-06-10 |
EP1583371A1 (en) | 2005-10-05 |
US20060103728A1 (en) | 2006-05-18 |
EP1583371A4 (en) | 2009-01-21 |
TWI241134B (en) | 2005-10-01 |
JP3767541B2 (ja) | 2006-04-19 |
KR20050074590A (ko) | 2005-07-18 |
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