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