The camera interface can be {HEAD ~ any} of the commercially available camera interfaces that produce {TAIL ~ the necessary video acquisition control signals} 
The camera interface can be { HEAD ~ any } of the commercially available camera interfaces that produce { TAIL ~ the necessary video acquisition control signals }
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL