?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.relation=http%3A%2F%2Fwww.eledia.org%2Fstudents-reports%2F745%2F&rft.title=Dictionary%E2%80%90Based+Bayesian+Compressive+Sensing+for+Imaging+Arbitrary+Scatterers&rft.creator=Anselmi%2C+N.&rft.creator=Oliveri%2C+G.&rft.creator=Hannan%2C+M.&rft.creator=Salucci%2C+M.&rft.creator=Massa%2C+A.&rft.subject=A+WC+Next+Generation+Wireless+Communications&rft.subject=M+CS+Compressive+Sensing&rft.description=This+work+deals+with+an+innovative+free-space+inverse+scattering+technique.+The+developed+methodology+is+based+on+the+exploitation+of+a+Bayesian+Compressive+Sensing+(BCS)+solver+and+a+set+(or+dictionary)+of+expansion+bases.+Several+BCS-regularized+reconstructions+are+performed+using+the+different+bases+in+the+dictionary%2C+and+the+sparsest+solution+is+selected+as+the+most+reliable+one.+Thanks+to+such+an+approach%2C+(i)+no+a-priori+information+about+the+unknown+scatterers+is+required%2C+and+(ii)+it+is+possible+to+extend+the+range+of+applicability+of+standard+BCS-based+inversion+to+objects+having+arbitrary+size+and+shape.+In+order+to+verify+the+effectiveness+of+the+proposed+technique%2C+as+well+as+to+test+its+robustness+to+noise%2C+some+illustrative+numerical+results+are+shown+in+the+following.&rft.publisher=ELEDIA+Research+Center+-+University+of+Trento&rft.date=2015&rft.type=Monograph&rft.type=NonPeerReviewed&rft.format=text&rft.language=en&rft.identifier=http%3A%2F%2Fwww.eledia.org%2Fstudents-reports%2F745%2F7%2FDictionary%25E2%2580%2590Based_Bayesian_Compressive_Sensing_for_Imaging_Arbitrary_Scatterers.v2.pdf&rft.identifier=++Anselmi%2C+N.+and+Oliveri%2C+G.+and+Hannan%2C+M.+and+Salucci%2C+M.+and+Massa%2C+A.++(2015)+Dictionary%E2%80%90Based+Bayesian+Compressive+Sensing+for+Imaging+Arbitrary+Scatterers.++Technical+Report.+ELEDIA+Research+Center+-+University+of+Trento.+++++