?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.relation=http%3A%2F%2Fwww.eledia.org%2Fstudents-reports%2F395%2F&rft.title=SVM-based+Classification+Approach+for+Synthetic-Impulse+Microwave+Imaging&rft.creator=Viani%2C+Federico&rft.creator=Benedetti%2C+Manuel&rft.creator=Donelli%2C+Massimo&rft.creator=Lizzi%2C+Leonardo&rft.creator=Cresp%2C+A.&rft.creator=Aliferis%2C+L.&rft.creator=Pichot%2C+Christian&rft.creator=Massa%2C+Andrea&rft.subject=TU+Technical+Reports+and+Publications&rft.description=Surface-Penetratic+Radar+(SPR)+is+aimed+at+providing+an+image+of+the+objects+buried+in+an+inaccessible+host+medium.+Such+a+scenario+generally+occurs+in+many+applications%2C+ranging+from+to+the+search+of+objects+in+the+subsoil+%5BSchubert+2001%5D+to+through-wall+imaging+(TWI)%5BFerries+1998%5D.+In+order+to+effectively+reconstruct+an+accurate+image+of+the+investigation+area%2C+many+methodologies+based+on+x-rays%2C+ultrasonics%2C+eddy+currents%2C+or+microwaves+have+been+investigated.+In+such+a+framework%2C+microwave+imaging+techniques+are+very+promising+since+electromagnetic+fields+at+centimeter+wavelenghts+can+penetrate+non-ideal+conductor+materials+and+are+usually+low+power+and+relatively+inexpensive.+Recently%2C+thanks+to+the+development+of+effective+ultrawideband+(UWB)+hardware%2C+wideband+microwave+imaging+systems+have+been+proposed.+Compared+to+single-frequency+approaches%2C+such+systems+allow+to+collect+a+wider+amount+of+information%2C+since+the+scattered+field+can+be+measured+at+different+frequencies+in+the+working+bandwidth+and%2For+in+the+time-domain.+In+order+to+take+advantage+of+multi-frequency+data%2C+signal+processing+plays+a+key+role.+Different+techniques+combining+pre-processing+treatments+and+microwave+imaging+are+currently+used+to+construct+an+image+of+a+scene+%5BDaniels+2004%5D.+In+addition%2C+time-reversal+(TR)+data+processing+has+been+recently+employed+in+order+to+detect+positions+of+the+targets+in+a+Synthetic-Impulse+Microwave+Imaging+System+(SIMIS)+%5BCresp+2008%5D.+In+such+a+framework+and+within+the+GALILEO+2008+project%2C+the+research+units%2C+ELEDIA+%40+Univ.+Trento+and+LEAT+%40+Univ.+Nice%2C+are+currently+involved+in+the+integration+of+a+SVM-based+classification+approach+in+the+SIMIS+for+the+reconstruction+of+the+position+and+the+shape+of+targets.+Such+a+report+is+focused+on+the+description+of+problem+geometry+as+well+as+of+the+specification+of+the+SIMIS.&rft.date=2008-04&rft.type=Technical+Report&rft.type=NonPeerReviewed&rft.format=text&rft.language=en&rft.identifier=http%3A%2F%2Fwww.eledia.org%2Fstudents-reports%2F395%2F1%2FDISI-08-047.pdf&rft.identifier=++Viani%2C+Federico+and+Benedetti%2C+Manuel+and+Donelli%2C+Massimo+and+Lizzi%2C+Leonardo+and+Cresp%2C+A.+and+Aliferis%2C+L.+and+Pichot%2C+Christian+and+Massa%2C+Andrea++(2008)+SVM-based+Classification+Approach+for+Synthetic-Impulse+Microwave+Imaging.++%5BTechnical+Report%5D++++(Unpublished)++