10 Image guided medical tracking systems including multipurpose cameras with built-in object and person recognition capabilities, 360-degree video cameras, camera arrays composed of multiple cameras that function as a unit, projectors, sensors, particularly time-of flight sensors, depth sensors, microphones, gyroscopes and inertial measurement units; patient positioning devices in the nature of exoscopes, surveillance cameras and camera arrays being multiple cameras that function as a unit for surgical and medical purposes; medical instruments and appliances, namely multipurpose cameras with built-in object and person recognition capabilities, 360-degree video cameras, camera arrays composed of multiple cameras that function as a unit, projectors, sensors, particularly time-of flight sensors, depth sensors, microphones, gyroscopes, inertial measurement units; surgical light cameras being surgical apparatus and instruments; video cameras for intra-operative purposes being surgical apparatus and instruments; Exoscopes being surgical apparatus and instruments