CL2016000766A1 - Método y dispositivo de calibración de imágenes - Google Patents
Método y dispositivo de calibración de imágenesInfo
- Publication number
- CL2016000766A1 CL2016000766A1 CL2016000766A CL2016000766A CL2016000766A1 CL 2016000766 A1 CL2016000766 A1 CL 2016000766A1 CL 2016000766 A CL2016000766 A CL 2016000766A CL 2016000766 A CL2016000766 A CL 2016000766A CL 2016000766 A1 CL2016000766 A1 CL 2016000766A1
- Authority
- CL
- Chile
- Prior art keywords
- image
- data
- parameter
- medium
- lighting
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 3
- 238000001514 detection method Methods 0.000 abstract 2
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
- H04N1/40—Picture signal circuits
- H04N1/409—Edge or detail enhancement; Noise or error suppression
-
- 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
- H04N1/40—Picture signal circuits
- H04N1/401—Compensating positionally unequal response of the pick-up or reproducing head
-
- 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
- H04N1/00002—Diagnosis, testing or measuring; Detecting, analysing or monitoring not otherwise provided for
- H04N1/00026—Methods therefor
- H04N1/00045—Methods therefor using a reference pattern designed for the purpose, e.g. a test chart
-
- 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
- H04N1/40—Picture signal circuits
- H04N1/407—Control or modification of tonal gradation or of extreme levels, e.g. background level
- H04N1/4076—Control or modification of tonal gradation or of extreme levels, e.g. background level dependent on references outside the picture
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/70—Circuitry for compensating brightness variation in the scene
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- General Health & Medical Sciences (AREA)
- Facsimile Image Signal Circuits (AREA)
- Facsimile Scanning Arrangements (AREA)
- Image Processing (AREA)
Abstract
UN METODO DE CALIBRACION DE IMAGEN Y EL DISPOSITIVO, UN COEFICIENTE DE COMPENSACION DE LA DESVIACION DE CADA PIXEL SE CALCULA DE ACUERDO A LOS DATOS DE IMAGEN GENERADOS POR LOS PARAMETROS DE ILUMINACION ALTA Y BAJA, Y EL COEFICIENTE DE COMPENSACION DE LA DESVIACION SE UTILIZA PARA CALIBRAR LOS DATOS DE CADA PIXEL DE LA IMAGEN RECOGIDA Y EMITIDA POR UNA UNIDAD DE DETECCION DE IMAGEN, POR LO TANTO, LA INFLUENCIA DE LA INCOHERENCIA DE CADA ELEMENTO FOTOSENSIBLE DE LA UNIDAD DE DETECCION DE IMAGEN EN LA ESCALA DE GRISES DE LA IMAGEN PUEDE SER ELIMINADA, DE MANERA QUE SE AUMENTA EL EFECTO DE RECONOCIMIENTO DE IMAGENES DEL MEDIO DOCUMENTO, EL METODO EN LAS REALIZACIONES DE LA PRESENTE INVENCION COMPRENDE: S1) LA ADQUISICION DE UNA PARAMETRO DE ILUMINACION ALTA DE CADA ELEMENTO FOTOSENSIBLE DENTRO DE UN TIEMPO DE EXPOSICION PROLONGADO Y UN PARAMETRO DE ILUMINACION BAJA DE LOS MISMOS DENTRO DE UN TIEMPO DE EXPOSICION CORTO, S2) LA ADQUISICION DE DATOS DE IMAGEN DE UN MEDIO DE HOJA Y S3), DE ACUERDO CON EL PARAMETRO DE ILUMINACION FUERTE, EL PARAMETRO DE ILUMINACION BAJA Y LOS DATOS DE IMAGEN, EL CALCULO DE LOS DATOS DE IMAGEN CALIBRADOS DE MEDIO DE TIPO HOJA.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410264151.8A CN103997590B (zh) | 2014-06-13 | 2014-06-13 | 一种图像校准方法及装置 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CL2016000766A1 true CL2016000766A1 (es) | 2016-08-26 |
Family
ID=51311584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CL2016000766A CL2016000766A1 (es) | 2014-06-13 | 2016-04-01 | Método y dispositivo de calibración de imágenes |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US9866727B2 (es) |
| EP (1) | EP3157238A4 (es) |
| CN (1) | CN103997590B (es) |
| AU (1) | AU2014397243B2 (es) |
| CL (1) | CL2016000766A1 (es) |
| WO (1) | WO2015188592A1 (es) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103997590B (zh) * | 2014-06-13 | 2018-04-20 | 广州广电运通金融电子股份有限公司 | 一种图像校准方法及装置 |
| CN106331515B (zh) * | 2016-09-13 | 2019-06-11 | 深圳怡化电脑股份有限公司 | 一种图像处理的方法及装置 |
| CN106231212B (zh) * | 2016-09-13 | 2019-06-07 | 深圳怡化电脑股份有限公司 | 一种图像处理的方法及装置 |
| CN109314750B (zh) * | 2017-05-27 | 2022-04-15 | 深圳配天智能技术研究院有限公司 | 对待检测目标进行打光的方法、系统和存储装置 |
| CN113747082A (zh) * | 2020-05-27 | 2021-12-03 | 合肥君正科技有限公司 | 一种自动日夜切换及快速自动曝光的检测方法 |
| US11989913B2 (en) | 2021-01-13 | 2024-05-21 | Samsung Electronics Co., Ltd. | Dynamic calibration correction in multi-frame, multi-exposure capture |
| CN115696072B (zh) * | 2021-07-29 | 2025-07-25 | 深圳市怡化时代科技有限公司 | Cis图像传感器的校正方法、装置、介质和金融机具 |
| CN114536748A (zh) * | 2022-01-28 | 2022-05-27 | 华南理工大学 | 3d打印机动态均光与曝光时间补偿方法、系统和设备 |
Family Cites Families (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5729361A (en) * | 1995-06-30 | 1998-03-17 | Logitech, Inc. | Color scanner using both variable led exposure time and photo detector output compensation |
| AU733511B2 (en) | 1996-11-08 | 2001-05-17 | National Computer Systems, Inc. | Optical scanning with calibrated pixel output |
| US6078683A (en) * | 1997-11-20 | 2000-06-20 | De La Rue, Inc. | Method and system for recognition of currency by denomination |
| US6571189B2 (en) * | 2001-05-14 | 2003-05-27 | Hewlett-Packard Company | System and method for scanner calibration |
| US7215824B2 (en) | 2002-09-10 | 2007-05-08 | Chui-Kuei Chiu | Method for adjusting image data with shading curve |
| JP4301012B2 (ja) * | 2004-01-19 | 2009-07-22 | ソニー株式会社 | 撮像装置および方法、記録媒体、並びにプログラム |
| GB2464856B (en) * | 2004-09-24 | 2010-06-30 | Vision Rt Ltd | Image processing system for use with a patient positioning device |
| JP4438847B2 (ja) | 2007-09-28 | 2010-03-24 | ソニー株式会社 | 撮像装置、撮像制御方法及び撮像制御プログラム |
| JP4424403B2 (ja) | 2007-09-28 | 2010-03-03 | ソニー株式会社 | 撮像装置、撮像方法及び撮像プログラム |
| JP2009301531A (ja) * | 2007-10-22 | 2009-12-24 | Sony Corp | 空間操作型入力装置、制御装置、制御システム、制御方法、空間操作型入力装置の製造方法及びハンドヘルド装置 |
| US7995114B2 (en) | 2007-12-12 | 2011-08-09 | Lexmark International, Inc. | Method for providing image illumination calibration for an imaging apparatus |
| JP2010141653A (ja) * | 2008-12-12 | 2010-06-24 | Sanyo Electric Co Ltd | 画像処理装置及び撮像装置 |
| US8346008B2 (en) * | 2009-06-09 | 2013-01-01 | Aptina Imaging Corporation | Systems and methods for noise reduction in high dynamic range imaging |
| JP2011055351A (ja) * | 2009-09-03 | 2011-03-17 | Fujifilm Corp | 撮影装置及びその制御方法 |
| JP4906933B2 (ja) * | 2010-01-28 | 2012-03-28 | シャープ株式会社 | 画像読取り装置、及びその画像読取り装置を備える画像形成装置 |
| US8699821B2 (en) * | 2010-07-05 | 2014-04-15 | Apple Inc. | Aligning images |
| CN103581563A (zh) * | 2012-07-18 | 2014-02-12 | 索尼公司 | 图像捕获设备、图像捕获设备控制方法和程序 |
| CN103152510A (zh) * | 2013-01-29 | 2013-06-12 | 广州广电运通金融电子股份有限公司 | 图像处理装置及其图像处理方法 |
| CN103108107A (zh) * | 2013-03-05 | 2013-05-15 | 广州广电运通金融电子股份有限公司 | 图像处理装置及其图像数据校正方法 |
| CN103997590B (zh) | 2014-06-13 | 2018-04-20 | 广州广电运通金融电子股份有限公司 | 一种图像校准方法及装置 |
-
2014
- 2014-06-13 CN CN201410264151.8A patent/CN103997590B/zh active Active
- 2014-11-21 WO PCT/CN2014/091874 patent/WO2015188592A1/zh not_active Ceased
- 2014-11-21 AU AU2014397243A patent/AU2014397243B2/en not_active Ceased
- 2014-11-21 US US14/917,238 patent/US9866727B2/en not_active Expired - Fee Related
- 2014-11-21 EP EP14894715.3A patent/EP3157238A4/en not_active Withdrawn
-
2016
- 2016-04-01 CL CL2016000766A patent/CL2016000766A1/es unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CN103997590B (zh) | 2018-04-20 |
| CN103997590A (zh) | 2014-08-20 |
| US9866727B2 (en) | 2018-01-09 |
| EP3157238A4 (en) | 2017-05-24 |
| US20160198066A1 (en) | 2016-07-07 |
| AU2014397243B2 (en) | 2017-08-31 |
| WO2015188592A1 (zh) | 2015-12-17 |
| EP3157238A1 (en) | 2017-04-19 |
| AU2014397243A1 (en) | 2016-04-07 |
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