One aspect of the invention is a method for correcting a digital image representative of a tangible image. A first corrected intensity value for a first pixel of a first channel of the digital image is calculated using electronic circuitry in response to the intensity of a first defect pixel in a defect...http://www.google.com.au/patents/US6711302?utm_source=gb-gplus-sharePatent US6711302 - Method and system for altering defects in digital image
