EX-23.1 8 a2073050zex-23_1.htm EX-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 14, 2001 relating to the financial statements and financial statement schedule, which appears in PPT Vision, Inc's Annual Report on Form 10-K for the year ended October 31, 2001. We also consent to the reference to us under the heading "Experts" in such Registration Statement.

/s/  PRICEWATERHOUSECOOPERS    
PRICEWATERHOUSECOOPERS
March 27, 2002




QuickLinks

CONSENT OF INDEPENDENT ACCOUNTANTS