{HEAD ~ The image producing method} 2, wherein {TAIL ~ said data transforming processing} is interpolation processing 
wherein
{ HEAD ~ The image producing method } 2 , wherein { TAIL ~ said data transforming processing } is interpolation processing
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH