EX-23.1 3 iss051472_ex23-1.htm Image Sensing Systems, Inc. EXHIBIT 23.1 Dated 12-31-2004

EXHIBIT 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

        We have issued our report dated February 23, 2005 accompanying the consolidated financial statements included in the Annual Report of Image Sensing Systems, Inc. on Form 10-KSB for the fiscal year ended December 31, 2004. We hereby consent to the incorporation by reference of said report in the Registration Statements of Image Sensing Systems, Inc. on Forms S-8 (File No. 333-82546, effective February 11, 2002; File No. 333-86169, effective August 30, 1999; and File No. 333-09289, effective July 31, 1996) and on Form S-3 (File No. 333-41706, effective July 19, 2000).

/s/ Grant Thornton LLP

Minneapolis, Minnesota
March 21, 2005














33