A method and system for detecting changes in moving images, wherein the system includes an image pick-up unit (3), an arithmetic unit (1), and a storage device (2). The image pick-up unit (3) records images by pixels. The arithmetic unit (1) files the video signals by pixels in the storage device (2)....http://www.google.de/patents/US5654772?utm_source=gb-gplus-sharePatent US5654772 - Method for change detection in moving images
