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