A system to perform image acquisition of a subject (8) supported from a floor is provided. The system includes an imaging system (10) and a table system (300) having a tabletop (305) in support of the subject (8) from the floor. The table system (300) also includes a mobile device (310) having a drive (315) to automatically transport the table system (300) across the floor, identify a current position and to calculate a path relative to a reference to a pre-programmed target position for image acquisition.