1. A red eye detecting and correcting method, comprising: detecting red eye that occurred in an image during photographing; and correcting the thus detected red eye to a specified color of pupil, wherein parameters employed in red eye detection and correction are altered in accordance with at least one of conditions as follows: type of said image, a camera model with which said image was recorded, a processing space for image data on said image, image processing steps to which said image is to be subjected before red eye detection and correction, format of said image, and scan condition.