{HEAD ~ A technique} for producing {TAIL ~ a decoded picture} from the encoded interlaced picture comprises the steps of receiving a code including block position information indicating the position of a pre transformed block and the aforementioned transformation parameter 
for producing
{ HEAD ~ A technique } for producing { TAIL ~ a decoded picture } from the encoded interlaced picture comprises the steps of receiving a code including block position information indicating the position of a pre transformed block and the aforementioned transformation parameter
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