EXHIBIT 16.1
 
                                  [LETTERHEAD]
 
July 29, 1996
 
Securities and Exchange Commission
450 Fifth Street, N.W.
Washington, D.C. 20549
 
Gentlemen:
 
    We  have read  Item 23  of Form SB-2  dated July  29, 1996,  of Image Guided
Technologies, Inc.  (formerly  Pixsys,  Inc.)  and are  in  agreement  with  the
statements contained in the fourth and fifth sentences of the paragraph included
therein.  We have  no basis to  agree or  disagree with other  statements of the
registrant contained therein.
 
                                                  /s/  ERNST & YOUNG LLP