JP5049490B2 - デジタルカメラ、ゲイン算出装置 - Google Patents
デジタルカメラ、ゲイン算出装置 Download PDFInfo
- Publication number
- JP5049490B2 JP5049490B2 JP2005364816A JP2005364816A JP5049490B2 JP 5049490 B2 JP5049490 B2 JP 5049490B2 JP 2005364816 A JP2005364816 A JP 2005364816A JP 2005364816 A JP2005364816 A JP 2005364816A JP 5049490 B2 JP5049490 B2 JP 5049490B2
- Authority
- JP
- Japan
- Prior art keywords
- image
- light source
- color
- irradiation
- block
- 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.)
- Expired - Fee Related
Links
- 238000004364 calculation method Methods 0.000 title claims description 20
- 230000007613 environmental effect Effects 0.000 claims description 160
- 238000012545 processing Methods 0.000 claims description 50
- 238000000034 method Methods 0.000 description 36
- 238000003384 imaging method Methods 0.000 description 23
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 18
- 229910052721 tungsten Inorganic materials 0.000 description 18
- 239000010937 tungsten Substances 0.000 description 18
- 230000015654 memory Effects 0.000 description 12
- 238000010586 diagram Methods 0.000 description 9
- 238000005286 illumination Methods 0.000 description 8
- 238000012937 correction Methods 0.000 description 6
- 238000001514 detection method Methods 0.000 description 6
- 230000007423 decrease Effects 0.000 description 5
- 230000006870 function Effects 0.000 description 4
- 230000001678 irradiating effect Effects 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 229910052724 xenon Inorganic materials 0.000 description 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 1
Images
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
- H04N23/84—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 Television Image Signal Generators (AREA)
- Exposure Control For Cameras (AREA)
- Viewfinders (AREA)
- Stroboscope Apparatuses (AREA)
- Indication In Cameras, And Counting Of Exposures (AREA)
- Processing Of Color Television Signals (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005364816A JP5049490B2 (ja) | 2005-12-19 | 2005-12-19 | デジタルカメラ、ゲイン算出装置 |
| US11/425,223 US7830419B2 (en) | 2005-12-19 | 2006-06-20 | Digital camera, gain-computing device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005364816A JP5049490B2 (ja) | 2005-12-19 | 2005-12-19 | デジタルカメラ、ゲイン算出装置 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2007173933A JP2007173933A (ja) | 2007-07-05 |
| JP2007173933A5 JP2007173933A5 (enExample) | 2008-12-18 |
| JP5049490B2 true JP5049490B2 (ja) | 2012-10-17 |
Family
ID=38172967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2005364816A Expired - Fee Related JP5049490B2 (ja) | 2005-12-19 | 2005-12-19 | デジタルカメラ、ゲイン算出装置 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US7830419B2 (enExample) |
| JP (1) | JP5049490B2 (enExample) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4832899B2 (ja) * | 2006-01-05 | 2011-12-07 | イーストマン コダック カンパニー | ゲイン算出装置 |
| JP2008042617A (ja) * | 2006-08-08 | 2008-02-21 | Eastman Kodak Co | デジタルカメラ |
| GB0622250D0 (en) | 2006-11-08 | 2006-12-20 | Univ East Anglia | Illuminant estimation |
| US8564687B2 (en) * | 2007-05-07 | 2013-10-22 | Nvidia Corporation | Efficient determination of an illuminant of a scene |
| US8698917B2 (en) * | 2007-06-04 | 2014-04-15 | Nvidia Corporation | Reducing computational complexity in determining an illuminant of a scene |
| JP5187241B2 (ja) * | 2009-02-16 | 2013-04-24 | 株式会社リコー | 撮像装置及び撮像方法 |
| JP4757927B2 (ja) * | 2009-03-13 | 2011-08-24 | アキュートロジック株式会社 | ホワイトバランス調整装置及びホワイトバランス調整方法 |
| JP5589585B2 (ja) * | 2009-07-07 | 2014-09-17 | ソニー株式会社 | 画像処理装置、画像処理方法およびプログラム |
| US8611660B2 (en) * | 2009-12-17 | 2013-12-17 | Apple Inc. | Detecting illumination in images |
| US8488055B2 (en) * | 2010-09-30 | 2013-07-16 | Apple Inc. | Flash synchronization using image sensor interface timing signal |
| JP2014044345A (ja) * | 2012-08-28 | 2014-03-13 | Ricoh Co Ltd | 撮像装置 |
| JP6053501B2 (ja) * | 2012-12-21 | 2016-12-27 | キヤノン株式会社 | 撮像装置及び撮像装置の制御方法 |
| US9870598B2 (en) | 2013-04-26 | 2018-01-16 | Nvidia Corporation | Low complexity adaptive filtering for mobile captures |
| JP6265625B2 (ja) * | 2013-05-13 | 2018-01-24 | キヤノン株式会社 | 画像処理装置及び画像処理方法 |
| JP5981898B2 (ja) * | 2013-08-28 | 2016-08-31 | キヤノン株式会社 | 撮像装置およびその制御方法 |
| WO2015151748A1 (ja) * | 2014-03-31 | 2015-10-08 | 富士フイルム株式会社 | 画像処理装置、撮像装置、画像処理方法及びプログラム |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08242459A (ja) * | 1995-03-01 | 1996-09-17 | Canon Inc | 光源情報収集装置及びこれを用いた撮像装置 |
| JP3540485B2 (ja) * | 1995-04-13 | 2004-07-07 | 株式会社リコー | 電子スチルカメラ |
| JP2000217122A (ja) * | 1999-01-27 | 2000-08-04 | Sanyo Electric Co Ltd | ディジタルカメラ |
| JP4081213B2 (ja) | 1999-10-04 | 2008-04-23 | イーストマン コダック カンパニー | オートホワイトバランス装置及び方法 |
| JP2003259390A (ja) * | 2002-03-01 | 2003-09-12 | Canon Inc | ホワイトバランス補正装置およびそれを備えた撮像装置、その制御方法、その制御方法を動作させるプログラム、およびそのプログラムを記憶した記憶媒体 |
| JP2003309854A (ja) * | 2002-04-17 | 2003-10-31 | Minolta Co Ltd | デジタルカメラ |
| JP2004088720A (ja) * | 2002-06-26 | 2004-03-18 | Yokogawa Electric Corp | カメラシステム |
| JP2004040417A (ja) * | 2002-07-02 | 2004-02-05 | Sony Corp | 撮像装置およびホワイトバランス補正方法 |
| JP2004173010A (ja) * | 2002-11-20 | 2004-06-17 | Konica Minolta Holdings Inc | 撮像装置、画像処理装置、画像記録装置、画像処理方法、プログラム及び記録媒体 |
| US7394488B2 (en) * | 2003-10-30 | 2008-07-01 | Hewlett-Packard Development Company, L.P. | System and method for dual white balance compensation of images |
| JP4379129B2 (ja) * | 2004-01-23 | 2009-12-09 | ソニー株式会社 | 画像処理方法、および画像処理装置、並びにコンピュータ・プログラム |
| JP4040613B2 (ja) * | 2004-08-31 | 2008-01-30 | キヤノン株式会社 | 撮像装置 |
| US7286703B2 (en) * | 2004-09-30 | 2007-10-23 | Fujifilm Corporation | Image correction apparatus, method and program |
| JP4329125B2 (ja) * | 2005-02-09 | 2009-09-09 | 富士フイルム株式会社 | ホワイトバランス制御方法、ホワイトバランス制御装置及び撮像装置 |
| US7505069B2 (en) * | 2005-10-26 | 2009-03-17 | Hewlett-Packard Development Company, L.P. | Method and apparatus for maintaining consistent white balance in successive digital images |
-
2005
- 2005-12-19 JP JP2005364816A patent/JP5049490B2/ja not_active Expired - Fee Related
-
2006
- 2006-06-20 US US11/425,223 patent/US7830419B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| US20070139532A1 (en) | 2007-06-21 |
| US7830419B2 (en) | 2010-11-09 |
| JP2007173933A (ja) | 2007-07-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5049490B2 (ja) | デジタルカメラ、ゲイン算出装置 | |
| KR101352440B1 (ko) | 화상처리장치, 화상처리방법, 및 기록매체 | |
| JP4761066B2 (ja) | ホワイトバランス補正方法及び撮像装置 | |
| CN101401418B (zh) | 成像装置和曝光控制方法 | |
| US7924343B2 (en) | Photographing apparatus and exposure control method | |
| US9749546B2 (en) | Image processing apparatus and image processing method | |
| JP5660341B2 (ja) | 撮像装置、撮像方法 | |
| US20170019612A1 (en) | Image pickup apparatus and image processing method | |
| US8237854B2 (en) | Flash emission method and flash emission apparatus | |
| JP2014033276A (ja) | 画像処理装置、画像処理方法及びプログラム | |
| JP2008104009A (ja) | 撮像装置および撮像方法 | |
| JP5223686B2 (ja) | 撮像装置および撮像方法 | |
| US7826662B2 (en) | Digital camera provided with gradation correction function | |
| JP4832899B2 (ja) | ゲイン算出装置 | |
| JP5854716B2 (ja) | 画像処理装置、画像処理方法及びプログラム | |
| US20130089270A1 (en) | Image processing apparatus | |
| JP4626432B2 (ja) | 撮像装置における色判別方法及び装置並びに撮像装置の露出制御方法 | |
| JP4553570B2 (ja) | オートフォーカスカメラ | |
| JP2010093780A (ja) | 撮像装置および撮像方法 | |
| JP2003302570A (ja) | デジタルカメラ | |
| JP2014120813A (ja) | 撮像装置及び撮像方法 | |
| JP2016220031A (ja) | 画像処理装置及び画像処理方法 | |
| JP5043178B2 (ja) | 像振れ補正装置及びその補正方法 | |
| US8121473B2 (en) | Imaging apparatus | |
| JP2010199845A (ja) | 画像撮影装置、画像撮影方法、画像処理装置、および画像処理方法 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20081029 |
|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20081029 |
|
| A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20100813 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20100907 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20101111 |
|
| A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20110906 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20111228 |
|
| A911 | Transfer to examiner for re-examination before appeal (zenchi) |
Free format text: JAPANESE INTERMEDIATE CODE: A911 Effective date: 20120112 |
|
| TRDD | Decision of grant or rejection written | ||
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20120710 |
|
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
| A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20120723 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20150727 Year of fee payment: 3 |
|
| R150 | Certificate of patent or registration of utility model |
Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
| S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313113 |
|
| R371 | Transfer withdrawn |
Free format text: JAPANESE INTERMEDIATE CODE: R371 |
|
| S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313113 |
|
| R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| LAPS | Cancellation because of no payment of annual fees |