the associating information storage component is configured to associate each of a combination of a reduced image display region and an observation display region, a combination of reduced image display regions, and a combination of {HEAD ~ observation display regions} with {TAIL ~ the image processing} to be performed 
with
the associating information storage component is configured to associate each of a combination of a reduced image display region and an observation display region , a combination of reduced image display regions , and a combination of { HEAD ~ observation display regions } with { TAIL ~ the image processing } to be performed
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH