1. A pseudo 3-D space representation system for representing a pseudo 3-D space with a plurality of 2-D images, comprising: a specified area associating means for associating one or more sets of areas specified on one image and the other image or images as common parts; an image transforming means for transforming one or both images through affine transformation by matching the corresponding areas specified on the images; and an image display means for displaying both images as superposed on each other.