1. An image processing program for realizing on a computer: a statistics extracting function for extracting a mean value and a standard deviation of a feature quantity of an image; an image condition judging function for judging an image condition, based on the mean value and the standard deviation extracted by said statistics extracting function; a correction information creating function for creating image correction information in the image condition judged by said image condition judging function, based on the mean value and the standard deviation extracted by said statistics extracting function; and an image correcting function for correcting the image, based on the image correction information created by said correction information creating function.