1. A method of providing interaction with a projected video image comprising the steps of: using a computer to generate a video image, the video image containing at least one predetermined region having a controlled characteristic associated therewith; projecting the video image on any surface capable of displaying a projected image; introducing an object over the projected image for a predetermined minimum period of time; visually recording the projected image; capturing an image from the visual recording of the projected image which contains the object; comparing the captured image to the computer generated video image to detect the presence of the object in relation to the at least one controlled characteristic; and generating a control signal for actuating the computer in response to the presence of the object.