An image system captures, along with the images, information defining both the position and the orientation of a camera along with the distance to the subject. A video camera is attached to three accelerometers, two gyroscopes, and a rangefinder. Data gathered from these devices and defining the pitch,...http://www.google.com.mx/patents/US6195122?utm_source=gb-gplus-sharePatent US6195122 - Spatial referenced photography
