An image processing apparatus including a receiving unit, an extraction means, and a conversion means is disclosed. The receiving unit receives a first document data and a second document data obtained by reading respectively a first document and a second document each having at least one drawing. The...http://www.google.se/patents/US7203364?utm_source=gb-gplus-sharePatent US7203364 - Image processing apparatus, image editing apparatus, image editing method, and image editing program
