Inputs are 3D range and color information from multi stereo cameras.   Utilization in real time.   Utilization in real environments (indoors and outdoors).   Static arrangement: Calibration is done once for stereo cameras.   Not dynamic controls (pan, tilt and zoom).   Utilization on high-speed network, and works even at low-speed.   Each stereo camera works stand-alone.   Attention based on range information; specific models not made.   Recognition method is based on appearance.