IMAGING DEVICE AND IMAGE FORMING APPARATUS

摘要

PROBLEM TO BE SOLVED: To specify an actual size of a document on the basis of a photographed image.SOLUTION: An imaging part 2 photographs a document with two imaging optical systems to create two photographed images. A document apex specification part 12 specifies the apices of a document image in the two photographed images, and a distance specification part 13 specifies the distances between the specified apices of the document image and the imaging part 2 and viewing angles between the specified apices of the document image. A document size specification part 14 specifies an actual size of the document on the basis of the specified distances and viewing angles.SELECTED DRAWING: Figure 1