CA2336038C - Image recording apparatus - Google Patents
Image recording apparatus Download PDFInfo
- Publication number
- CA2336038C CA2336038C CA002336038A CA2336038A CA2336038C CA 2336038 C CA2336038 C CA 2336038C CA 002336038 A CA002336038 A CA 002336038A CA 2336038 A CA2336038 A CA 2336038A CA 2336038 C CA2336038 C CA 2336038C
- Authority
- CA
- Canada
- Prior art keywords
- image
- light
- images
- illuminant
- recorded
- 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 - Lifetime
Links
- 230000003287 optical effect Effects 0.000 claims abstract description 95
- 238000012545 processing Methods 0.000 claims abstract description 77
- 238000004891 communication Methods 0.000 claims abstract description 4
- 230000004044 response Effects 0.000 claims description 59
- 230000006870 function Effects 0.000 claims description 57
- 238000000034 method Methods 0.000 claims description 46
- 239000011159 matrix material Substances 0.000 claims description 29
- 238000001454 recorded image Methods 0.000 claims description 12
- 230000003595 spectral effect Effects 0.000 claims description 11
- 238000001914 filtration Methods 0.000 claims description 6
- 230000002596 correlated effect Effects 0.000 claims description 2
- 238000002834 transmittance Methods 0.000 claims description 2
- 238000003491 array Methods 0.000 abstract description 8
- 230000000704 physical effect Effects 0.000 abstract 1
- 239000013598 vector Substances 0.000 description 27
- 230000000875 corresponding effect Effects 0.000 description 14
- 239000003086 colorant Substances 0.000 description 6
- 238000005259 measurement Methods 0.000 description 5
- 238000005286 illumination Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012937 correction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 238000005316 response function Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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
-
- 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
- H04N23/843—Demosaicing, e.g. interpolating colour pixel values
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
- H04N25/10—Circuitry of solid-state image sensors [SSIS]; Control thereof for transforming different wavelengths into image signals
- H04N25/11—Arrangement of colour filter arrays [CFA]; Filter mosaics
- H04N25/13—Arrangement of colour filter arrays [CFA]; Filter mosaics characterised by the spectral characteristics of the filter elements
- H04N25/135—Arrangement of colour filter arrays [CFA]; Filter mosaics characterised by the spectral characteristics of the filter elements based on four or more different wavelength filter elements
- H04N25/136—Arrangement of colour filter arrays [CFA]; Filter mosaics characterised by the spectral characteristics of the filter elements based on four or more different wavelength filter elements using complementary colours
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
- H10F39/00—Integrated devices, or assemblies of multiple devices, comprising at least one element covered by group H10F30/00, e.g. radiation detectors comprising photodiode arrays
- H10F39/80—Constructional details of image sensors
- H10F39/805—Coatings
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Color Television Image Signal Generators (AREA)
- Optical Communication System (AREA)
- Processing Of Color Television Signals (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB9813855.5 | 1998-06-27 | ||
| GBGB9813855.5A GB9813855D0 (en) | 1998-06-27 | 1998-06-27 | Image recording apparatus |
| PCT/GB1999/001997 WO2000001164A2 (en) | 1998-06-27 | 1999-06-25 | Colour image pickup apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2336038A1 CA2336038A1 (en) | 2000-01-06 |
| CA2336038C true CA2336038C (en) | 2007-06-05 |
Family
ID=10834463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002336038A Expired - Lifetime CA2336038C (en) | 1998-06-27 | 1999-06-25 | Image recording apparatus |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US7046288B1 (enExample) |
| EP (1) | EP1090509A2 (enExample) |
| JP (1) | JP2002519959A (enExample) |
| AU (1) | AU4521799A (enExample) |
| CA (1) | CA2336038C (enExample) |
| GB (1) | GB9813855D0 (enExample) |
| WO (1) | WO2000001164A2 (enExample) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPWO2005018236A1 (ja) * | 2003-08-13 | 2006-10-12 | スカラ株式会社 | カメラ、画像処理装置、画像データ処理方法、及びプログラム |
| GB0622250D0 (en) | 2006-11-08 | 2006-12-20 | Univ East Anglia | Illuminant estimation |
| US8385648B2 (en) | 2006-11-08 | 2013-02-26 | Apple, Inc. | Detecting illumination in images |
| US8611660B2 (en) | 2009-12-17 | 2013-12-17 | Apple Inc. | Detecting illumination in images |
| CN108389553B (zh) | 2018-03-27 | 2021-01-12 | 深圳创维－Rgb电子有限公司 | 背光控制方法、装置及计算机可读存储介质 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5045928A (en) | 1988-04-21 | 1991-09-03 | Canon Kabushiki Kaisha | White balance control with choice of control dependent on brightness |
| US5453611A (en) | 1993-01-01 | 1995-09-26 | Canon Kabushiki Kaisha | Solid-state image pickup device with a plurality of photoelectric conversion elements on a common semiconductor chip |
| US5479524A (en) | 1993-08-06 | 1995-12-26 | Farrell; Joyce E. | Method and apparatus for identifying the color of an image |
| WO1997016806A1 (en) * | 1995-11-01 | 1997-05-09 | Carl Kupersmit | Vehicle speed monitoring system |
| US6256066B1 (en) * | 1996-06-28 | 2001-07-03 | Matsushita Electric Industrial Co., Ltd. | High-resolution image pickup method and apparatus therefor |
| US6700613B1 (en) * | 1998-06-16 | 2004-03-02 | Eastman Kodak Company | Data-reading image capture apparatus, camera, and method of use |
-
1998
- 1998-06-27 GB GBGB9813855.5A patent/GB9813855D0/en not_active Ceased
-
1999
- 1999-06-25 WO PCT/GB1999/001997 patent/WO2000001164A2/en not_active Ceased
- 1999-06-25 AU AU45217/99A patent/AU4521799A/en not_active Abandoned
- 1999-06-25 EP EP99928092A patent/EP1090509A2/en not_active Ceased
- 1999-06-25 US US09/720,572 patent/US7046288B1/en not_active Expired - Lifetime
- 1999-06-25 CA CA002336038A patent/CA2336038C/en not_active Expired - Lifetime
- 1999-06-25 JP JP2000557628A patent/JP2002519959A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| AU4521799A (en) | 2000-01-17 |
| WO2000001164A2 (en) | 2000-01-06 |
| WO2000001164A3 (en) | 2000-04-13 |
| JP2002519959A (ja) | 2002-07-02 |
| GB9813855D0 (en) | 1998-08-26 |
| CA2336038A1 (en) | 2000-01-06 |
| EP1090509A2 (en) | 2001-04-11 |
| US7046288B1 (en) | 2006-05-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKEX | Expiry |
Effective date: 20190625 |