An LR combination unit combines the motion vectors of the left and right image signals to output {HEAD ~ the combined motion vectors} as {TAIL ~ a motion vector} 
An LR combination unit combines the motion vectors of the left and right image signals to output { HEAD ~ the combined motion vectors } as { TAIL ~ a motion vector }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL