IMAGE PROCESSING DEVICE, IMAGE PROCESSING METHOD, INFORMATION STORAGE MEDIUM, AND PROGRAM

In a combined image obtained by superposing a character image on an image such that a second text rendered in the character image overlaps a first text rendered in the image, an image processing device according to the present invention determines a part of a character portion constituting a pre-translation character string, not covered by non-transparent pixels constituting a post-translation character string as a deficient pixel D, and corrects color attribute of the deficient pixel D in the combined image by utilizing color attribute of a part of the combined image or of the image.