Exhibit 1 kpmg KPMG LLP Chartered Accountants Telephone (416)228-7000 Yonge Corporate Centre Telefax (416)228-7123 4100 Yonge Street, Suite 200 www.kpmg.ca North York, ON M2P 2H3 Consent of Independent Registered Public Accounting Firm The Board of Directors Cedara Software Corp. We consent to the use of our reports dated August 13, 2004, included in this annual report on Form 40-F. /s/ KPMG LLP - ----------------- Toronto, Canada August 13, 2004