A digital image acquisition system having no photographic film, such as a digital camera, has a flash unit for providing illumination during image capture and a red-eye filter for detecting a region within a captured image indicative of a red-eye phenomenon, the detection being based upon a comparison...http://www.google.fr/patents/US7738015?utm_source=gb-gplus-shareBrevet US7738015 - Red-eye filter method and apparatus
