The display 60 may include any displaying apparatus such as CRT monitors, digital monitors, printers, and may include one monitor 61 that displays the video information 6 and analyzed data 7 side-by-side on the same monitor 61, as shown in FIG. 4, or the display 60 may include a plurality of monitors 62, 63 in which the video information 6 and the analyzed data 7 are respectively displayed on sepa