The picture transformer generates and outputs a picture obtained by rearraying {TAIL ~ an input picture} from {HEAD ~ an alternating scanning line basis} 
The picture transformer generates and outputs a picture obtained by rearraying { TAIL ~ an input picture } from { HEAD ~ an alternating scanning line basis }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD