1. An image processing apparatus comprising: a separating section for separating a handwritten area from image data of printed material in which handwriting has been inserted; a determining section for determining whether the handwritten area includes an enclosing line enclosing a target region of the printed material or a class symbol classifying the target region; a corresponding section for correlating the class symbol to the enclosing line drawn nearest the class symbol; an extracted image acquiring section for acquiring from the image data of the printed material an image area in an extract target region including the target region within the enclosing line; an image classifying section for classifying into groups the image area within the enclosing line according to the correlated class symbol; and a listed data generating section for generating listed data including the image area that has been classified into groups.