A method for detecting new objects in a scene illuminated by lights not necessarily constrained. The method detects and produces, in particular with a video camera, in the form of electric signals, video images, at successive times, digitizes the resulting electric signals, and produces image digital...http://www.google.com.tw/patents/US7302081?utm_source=gb-gplus-share專利 US7302081 - Method for detecting new objects in an illuminated scene