1. An image processing device comprising: an original image inputting unit that is configured so as to be capable of inputting an original image; an original-image characteristic quantity data determining unit that determines original-image characteristic quantity data expressing a characteristic of the original image inputted by the original image inputting unit; a sample-image inputting unit that is configured so as to be capable of inputting a plurality of sample images; a sample-image characteristic quantity data determining unit that determines a plurality of sets of sample-image characteristic quantity data expressing a characteristic of the plurality of sample images inputted by the sample-image inputting unit; an outputting unit that outputs at least one set of sample-image data and at least one set among the plurality of sets of sample-image characteristic quantity data; a selecting unit that enables a user to select one set of sample-image data among the at least one set of sample-image data; and a correcting unit that corrects the original image based on one set of sample-image characteristic quantity data corresponding to the selected set of sample-image data and the original-image characteristic quantity data.