recognizing regions of {HEAD ~ the products} in {TAIL ~ the image information} using the acquired color information 
in
recognizing regions of { HEAD ~ the products } in { TAIL ~ the image information } using the acquired color information
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH