display 50 within convenient viewing range the computer camera 51 is connected to and operated by the computer 53 such that the video signal from the camera 51 is received by the computer 53 for processing the computer 53 processes the video signal to implement real time head tracking such that the user 39 s head 60 is actively tracked to determine it 39 s relative spatial relationship to the computer display 50 a method of head tracking is discussed in detail in applicant 39 s u s pat no 5 574 836 titled u201c interactive display apparatus and method with viewer position compensation u201d herein incorporated by reference optionally if the images to be presented are received from a remote location as in the case of a web server not shown then a transmission link 56 such as a modem digital subscriber line dsl cable connection is connected to the computer 53 such that the compressed and formatted images may be received for presentation next the presentation method according to an embodiment of the present invention will be detailed a formatted and compressed image sequence 20 such as those shown in fig2 is received via transmission link 56 and now resident in part or in entirety on the computer 53 the first image to be received is the reference image 21 as shown in fig2.