segmenting a variable bit rate representation of an image sequence into {HEAD ~ a plurality} of {TAIL ~ segments} utilizing a processor; and 
segmenting a variable bit rate representation of an image sequence into { HEAD ~ a plurality } of { TAIL ~ segments } utilizing a processor ; and
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH