?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.relation=http%3A%2F%2Fwww.eledia.org%2Fstudents-reports%2F526%2F&rft.title=A+Two-Step+Inverse+Scattering+Procedure+for+the+Qualitative+Imaging+of+Homogeneous+Cracks+in+Known+Host+Media-Preliminary+Results&rft.creator=Massa%2C+Andrea&rft.creator=ELEDIA%2C+Laboratory&rft.subject=TU+Technical+Reports+and+Publications&rft.description=In+the+framework+of+nondestructive+evaluation+and+testing%2C+microwave+inverse+scattering+approaches+demonstrated+their+effectiveness+and+the+feasibility+of+detecting+unknown+anomalies+in+dielectric+materials.+In+this+paper%2C+an+innovative+technique+is+proposed+in+order+to+enhance+their+reconstruction+accuracy.+The+approach+is+aimed+at+firstly+estimating+the+region-of-interest+where+the+defect+is+supposed+to+be+located+and+then+at+improving+the+qualitative+imaging+of+the+crack+through+a+level-set+based+shaping+procedure.+In+order+to+assess+the+effectiveness+of+the+proposed+approach%2C+representative+numerical+results+concerned+with+different+scenarios+and+blurred+data+are+presented+and+discussed.&rft.date=2008-11&rft.type=Technical+Report&rft.type=NonPeerReviewed&rft.format=application%2Fpdf&rft.language=en&rft.identifier=http%3A%2F%2Fwww.eledia.org%2Fstudents-reports%2F526%2F1%2FDISI-08-065.pdf&rft.identifier=++Massa%2C+Andrea+and+ELEDIA%2C+Laboratory++(2008)+A+Two-Step+Inverse+Scattering+Procedure+for+the+Qualitative+Imaging+of+Homogeneous+Cracks+in+Known+Host+Media-Preliminary+Results.++%5BTechnical+Report%5D++++(Unpublished)++