The encoder/multiplexor then encodes the portion of {HEAD ~ the reduced size picture} corresponding to {TAIL ~ the transform block picture} providing the best match and any transformation parameters, such as by Huffman encoding 
The encoder / multiplexor then encodes the portion of { HEAD ~ the reduced size picture } corresponding to { TAIL ~ the transform block picture } providing the best match and any transformation parameters , such as by Huffman encoding
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH