EX-23.1 3 a2115700zex-23_1.htm EXHIBIT 23.1
QuickLinks -- Click here to rapidly navigate through this document


Exhibit 23.1


CONSENT OF INDEPENDENT ACCOUNTANTS

We hereby consent to the incorporation by reference in this Registration Statement on Form S-3 of our report dated December 6, 2002, except as to Note 3 which is as of January 9, 2003 relating to the financial statements, which appears in PPT VISION, Inc's Annual Report on Form 10-KSB for the year ended October 31, 2002. We also consent to the reference to us under the heading "Experts" in such Registration Statement.

    /s/ PricewaterhouseCoopers
PricewaterhouseCoopers LLP


Minneapolis, Minnesota
July 31, 2003



QuickLinks

CONSENT OF INDEPENDENT ACCOUNTANTS