A calibration system including a display screen having a first surface and a second surface and a projector configured to project an image onto the first surface of the display screen and the image is viewable on the second surface of said display screen, wherein the projector includes a projector coordinate system. The calibration system also includes a camera configured to capture an image of an object through the display screen, where the camera comprises a camera coordinate system, and a calibration device configured to calibrate the display screen.