Video images from {TAIL ~ each camera} are then synchronously sampled, captured, and stored in a memory associated with {HEAD ~ a general purpose processor} 
Video images from { TAIL ~ each camera } are then synchronously sampled , captured , and stored in a memory associated with { HEAD ~ a general purpose processor }
OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD