Regardless of the type of coding or watermarking, {HEAD ~ various implementations} may provide for recovering {TAIL ~ watermarking information} 
provide for recovering
Regardless of the type of coding or watermarking , { HEAD ~ various implementations } may provide for recovering { TAIL ~ watermarking information }
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL