System and method for automated correction of digital images
A system and method are provided for correcting an image captured by a digital image capturing device. The method includes calculating a log of a desired correction value based on sample point and a target value for that point and calculating an approximation to the log of illumination based on an i...
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| creator | WHITE STEVE J |
| description | A system and method are provided for correcting an image captured by a digital image capturing device. The method includes calculating a log of a desired correction value based on sample point and a target value for that point and calculating an approximation to the log of illumination based on an input pixel intensity. The method additionally includes calculating any target pixel intensity value based on the log of the correction value and the approximation to the log of illumination. Image correction tools correct the image to correspond to the target pixel intensity value. The technique may be used to correct the gain of any image and for example, may correct exposure or color balance deficiencies. The technique provides excellent results regardless of the image capturing device. |
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The method includes calculating a log of a desired correction value based on sample point and a target value for that point and calculating an approximation to the log of illumination based on an input pixel intensity. The method additionally includes calculating any target pixel intensity value based on the log of the correction value and the approximation to the log of illumination. Image correction tools correct the image to correspond to the target pixel intensity value. The technique may be used to correct the gain of any image and for example, may correct exposure or color balance deficiencies. 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| subjects | APPARATUS SPECIALLY ADAPTED THEREFOR CALCULATING CINEMATOGRAPHY COMPUTING COUNTING ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY ELECTROGRAPHY HANDLING RECORD CARRIERS HOLOGRAPHY IMAGE DATA PROCESSING OR GENERATION, IN GENERAL MATERIALS THEREFOR ORIGINALS THEREFOR PHOTOGRAPHY PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES,e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTORDEVICES PHYSICS PICTORIAL COMMUNICATION, e.g. TELEVISION PRESENTATION OF DATA RECOGNITION OF DATA RECORD CARRIERS |
| title | System and method for automated correction of digital images |
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