{HEAD ~ The line memory} 512 delays {TAIL ~ the input video signal} to output a video signal S ori in the th line when a video signal S ori in the nth line is output from the line memory 511 
delays
{ HEAD ~ The line memory } 512 delays { TAIL ~ the input video signal } to output a video signal S ori in the th line when a video signal S ori in the nth line is output from the line memory 511
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH