The cameras 14 can be any of the type of video cameras that capture {HEAD ~ image data} that is representable by {TAIL ~ pixel data} 
is representable by
The cameras 14 can be any of the type of video cameras that capture { HEAD ~ image data } that is representable by { TAIL ~ pixel data }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL