According to the invention, a computer includes an information input section, a search criteria input section, an image characteristic value creating section, an image region-of-interest creating section, an information list creating section, a graph executing section and a test executing section. The computer performs processing for inputting information, creating display data and analyzing numeric values in accordance with an event and displays a processing result on a display apparatus. Under this construction, an optimum test procedure can be automatically selected, and work effort can be reduced thereby. Furthermore, by preventing improper selection of a test procedure, an accurate test result can be obtained.