?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.relation=http%3A%2F%2Fwww.eledia.org%2Fstudents-reports%2F715%2F&rft.title=An+Adaptive+Learning-by-Examples+Methodology+for+Accurate+Crack+Characterization+in+NDT-NDE+Problems&rft.creator=Salucci%2C+M.&rft.creator=Anselmi%2C+N.&rft.creator=Oliveri%2C+G.&rft.creator=Massa%2C+A.&rft.subject=M+LBE+Learning-by-Example+Methods&rft.description=This+document+presents+an+adaptive+learning-by-examples+(LBE)+inversion+strategy+for+the+accurate+and+real-time+characterization+of+a+defect+within+a+planar+conductive+structure.+More+precisely%2C+the+developed+technique+exploits+a+Partial+Least+Squares+(PLS)+linear+feature+extraction+strategy+in+order+to+compress+the+relevant+information+about+the+underlying+relationship+between+defect+and+measurements+into+a+small+set+of+predictive+features.+Successively%2C+an+innovative+adaptive+sampling+strategy+is+exploited+in+order+to+collect+a+set+of+N+input-output+(I%2FO)+training+pairs+such+that+an+even+exploration+of+the+PLS-extracted+feature+space+is+obtained.++Such+a+training+database+is+then+used+to+train+a+Support+Vector+Regressor+(SVR)+for+building+an+accurate+and+robust+estimator+of+the+crack+dimensions+starting+from+ECT+measurements.+Some+numerical+results+are+shown+in+order+to+validate+the+proposed+approach+also+when+a+non-negligible+amount+of+noise+is+superimposed+on+testing+data.&rft.publisher=University+of+Trento&rft.date=2016&rft.type=Monograph&rft.type=NonPeerReviewed&rft.format=text&rft.language=en&rft.identifier=http%3A%2F%2Fwww.eledia.org%2Fstudents-reports%2F715%2F1%2FAn_Adaptive_Learning-by-Examples_Methodology_for_Accurate_Crack_Characterization_in_NDT-NDE_Problems.v2.pdf&rft.identifier=++Salucci%2C+M.+and+Anselmi%2C+N.+and+Oliveri%2C+G.+and+Massa%2C+A.++(2016)+An+Adaptive+Learning-by-Examples+Methodology+for+Accurate+Crack+Characterization+in+NDT-NDE+Problems.++Technical+Report.+University+of+Trento.+++++