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