Exhibit 23.1 Consent of Independent Public Accountants We hereby consent to the incorporation by reference of our report dated February 13, 2003, except for Note 15, which is as of March 28, 2003, relating to the financial statements of Viisage Technology, Inc. (the "Company") appearing in the Company's Annual Report on Form 10-K for the year ended December 31, 2002 into the Company's previously filed Registration Statements on Form S-8 (No.'s 333-28695, 333-42485, 333-90177 and 333-36734). /s/ BDO Seidman, LLP Boston, Massachusetts March 28, 2003