Similar block search means determines a best match between {HEAD ~ the first picture block} and one of {TAIL ~ the plurality} of transformed block pictures by determining the minimum error therebetween 
Similar block search means determines a best match between { HEAD ~ the first picture block } and one of { TAIL ~ the plurality } of transformed block pictures by determining the minimum error therebetween
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH