?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.relation=http%3A%2F%2Fwww.eledia.org%2Fstudents-reports%2F742%2F&rft.title=Innovative+Alphabet%E2%80%90Based+Bayesian+Compressive+Sensing+Technique+for+Imaging+Targets+with+Arbitrary+Shape&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=In+this+work+an+innovative+two-dimensional+(2D)+microwave+imaging+technique+exploiting+Bayesian+Compressive+Sensing+(BCS)+and+a+wavelet-based+alphabet+for+representing+the+problem+unknowns+is+dealt+with.+The+proposed+approach+is+based+on+the+generalization+of+the+sparsity+concept%2C+extending+the+range+of+applicability+of+BCS-based+inverse+scattering+(IS)+techniques+to+objects+with+arbitrary+shape+and+dimensions.+A+set+of+BCS+reconstructions+is+performed+considering+different+expansion+bases+in+the+alphabet%2C+without+the+need+for+a-priori+knowledge+about+the+unknown+scatterers.+Then%2C+the+best+reconstruction+is+recognized+as+that+minimizing+the+number+of+non-null+retrieved+coefficients+(i.e.%2C+the+sparsest+one).+In+order+to+verify+the+effectiveness+of+the+proposed+imaging+technique%2C+a+set+of+representative+numerical+benchmarks+is+presented.+Some+comparisons+with+state-of-the-art+IS+techniques+are+presented%2C+as+well.&rft.publisher=ELEDIA+Research+Center+-+University+of+Trento&rft.date=2017&rft.type=Monograph&rft.type=NonPeerReviewed&rft.format=text&rft.language=en&rft.identifier=http%3A%2F%2Fwww.eledia.org%2Fstudents-reports%2F742%2F1%2FInnovative_Alphabet%25E2%2580%2590Based_Bayesian_Compressive_Sensing_Technique_for_Imaging_Targets_with_Arbitrary_Shape.v2.pdf&rft.identifier=++Anselmi%2C+N.+and+Oliveri%2C+G.+and+Hannan%2C+M.+and+Salucci%2C+M.+and+Massa%2C+A.++(2017)+Innovative+Alphabet%E2%80%90Based+Bayesian+Compressive+Sensing+Technique+for+Imaging+Targets+with+Arbitrary+Shape.++Technical+Report.+ELEDIA+Research+Center+-+University+of+Trento.+++++