Methods and systems are described herein for high-speed observation and recognition of objects or persons within a controlled area using 3D image data and tomography, stereo-photogrammetry, range finding and/or structured illumination. A wide area security system may comprise multiple pairs of 3D sensors...http://www.google.de/patents/US7257236?utm_source=gb-gplus-sharePatent US7257236 - Methods and systems for detecting and recognizing objects in a controlled wide area
