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