The digitized image is then assigned {HEAD ~ an image characteristics rating} based on {TAIL ~ the determined global image features}, and the image is assigned to an image group based on the image rating 
based on
The digitized image is then assigned { HEAD ~ an image characteristics rating } based on { TAIL ~ the determined global image features } , and the image is assigned to an image group based on the image rating
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH