A computer implemented method for decoding {HEAD ~ a current region} of {TAIL ~ an encoded image}, comprising the steps of: 
A computer implemented method for decoding { HEAD ~ a current region } of { TAIL ~ an encoded image } , comprising the steps of :
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH