A transformation process is applied by the picture transformation/generator to various portions of the reduced size picture output from the second block generating unit, and {HEAD ~ a plurality} of {TAIL ~ transform block pictures} are output to the similar block search means 
of
A transformation process is applied by the picture transformation / generator to various portions of the reduced size picture output from the second block generating unit , and { HEAD ~ a plurality } of { TAIL ~ transform block pictures } are output to the similar block search means
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH