?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.relation=http%3A%2F%2Fwww.eledia.org%2Fstudents-reports%2F493%2F&rft.title=Enhancement+of+the+Contrast+Source+Inversion+Method+Using+Fuzzy+Logic&rft.creator=Casagranda%2C+Aronne&rft.creator=Massa%2C+Andrea&rft.creator=Abubakar%2C+Aria&rft.creator=van+den+Berg%2C+P.M.&rft.subject=TU+Technical+Reports+and+Publications&rft.description=The+problem+of+determining+the+proprieties+of+an+unknown+object+by+means+of+electromagnetic+waves+probing+the+object+is+intrinsically+instable+with+respect+to+the+presence+of+noise+and+measurement+errors+on+scattering+data.+In+several+practical+condition+in+the+framework+of+medical+imaging%2C+non-destructive+testing%2C+and+sub-surface+inspection%2C+these+errors+are+unavoidable+and+the+ill-posedness+of+the+system+leads+to+inaccurate+reconstructions+of+the+scenario+under+test.+In+%5B1%5D%2C+an+innovative+fuzzy-logic-based+strategy+has+been+proposed+for+properly+taking+into+account+the+presence+of+the+noise+and+errors+on+the+data.+Such+a+system+provides%2C+in+an+unsupervised+way%2C+two+series+of+coefficients+that+can+be+used+as+weighting+parameters+of+the+arising+cost+function+to+be+minimized.+In+that+paper%2C+the+mathematical+formulation+was+presented+considering+the+contrast+and+the+fields+equations.+In+this+work%2C+a+further+assessment+of+the+proposed+fuzzy-logic+approach+is+carried+out+operating+with+data+and+state+equations+expressed+in+terms+of+the+contrast+and+the+contrast+sources+as+suggested+in+%5B2%5D.+Selected+results+from+the+numerical+simulations+are+reported+to+assess+the+performances+of+the+system+with+single+and+multi-frequency+data+with+and+without+total-variation-based+regularization.+This+is+the+author's+version+of+the+final+version+available+at+IEEE.&rft.date=2011-01&rft.type=Technical+Report&rft.type=NonPeerReviewed&rft.format=application%2Fpdf&rft.language=en&rft.identifier=http%3A%2F%2Fwww.eledia.org%2Fstudents-reports%2F493%2F1%2FDISI-11-260.C105.pdf&rft.identifier=++Casagranda%2C+Aronne+and+Massa%2C+Andrea+and+Abubakar%2C+Aria+and+van+den+Berg%2C+P.M.++(2011)+Enhancement+of+the+Contrast+Source+Inversion+Method+Using+Fuzzy+Logic.++%5BTechnical+Report%5D+++++