A plurality of sensors' field of view are redirected by reflective surfaces. Portions of the fields of view of the sensors are removed to produce a first sensor modified field of view with a modified field of view boundary, and a second sensor modified field of view with a modified field of view boundary....http://www.google.fr/patents/US6219090?utm_source=gb-gplus-shareBrevet US6219090 - Panoramic viewing system with offset virtual optical centers
Panoramic viewing system with offset virtual optical centers