{"id":{"repo_id":"trento","oai_identifier":"oai:iris.unitn.it:11572/368258"},"canonical_url":"https://search.dev.ndltd.org/etd/trento/oai:iris.unitn.it:11572/368258","repository":{"repo_id":"trento","name":"Università degli Studi di Trento","base_url":"https://iris.unitn.it/oai/request"},"display":{"title":"Multi-Resolution Techniques Based on Shape-Optimization for the Solution of Inverse-Scattering Problems","abstract":"In the framework of inverse electromagnetic scattering techniques, the thesis focuses on the development and the analysis of the integration between a multi-resolution imaging procedure and a shape-optimization-based technique. The arising methodology allows, on one hand, to fully exploit the limited amount of information collectable from scattering measurements by means of the iterative multi-scaling approach (IMSA) which enables a detailed reconstruction only where needed without increasing the number of unknowns. On the other hand, the use of shape-optimization, such as the level-set-based minimization, provide an effective description of the class of targets to be retrieved by using a-priori\" information about the homogeneity of the scatterers. In order to assess strong points and drawbacks of such an hybrid approach when dealing with one or multiple scatterers a numerical validation of the proposed implementations is carried out by processing both synthetic and laboratory-controlled scattering data.\"","abstract_html":"In the framework of inverse electromagnetic scattering techniques, the thesis focuses on the development and the analysis of the integration between a multi-resolution imaging procedure and a shape-optimization-based technique. The arising methodology allows, on one hand, to fully exploit the limited amount of information collectable from scattering measurements by means of the iterative multi-scaling approach (IMSA) which enables a detailed reconstruction only where needed without increasing the number of unknowns. On the other hand, the use of shape-optimization, such as the level-set-based minimization, provide an effective description of the class of targets to be retrieved by using a-priori" information about the homogeneity of the scatterers. In order to assess strong points and drawbacks of such an hybrid approach when dealing with one or multiple scatterers a numerical validation of the proposed implementations is carried out by processing both synthetic and laboratory-controlled scattering data."","abstract_has_math":false,"creators":["Benedetti, Manuel"],"institution":"Università degli studi di Trento","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":["Massa, Andrea"],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2008,"date_issued":"2008","date_published":"2008","updated_at":"2026-07-24T05:04:45Z","subjects":["Settore ING-INF/05 - Sistemi di Elaborazione delle Informazioni","Settore ING-INF/02 - Campi Elettromagnetici"],"languages":["eng"],"rights":["info:eu-repo/semantics/openAccess","license:Tutti i diritti riservati (All rights reserved)"],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["http://dx.doi.org/10.15168/11572_368258","10.15168/11572_368258"],"render_values":[{"text":"http://dx.doi.org/10.15168/11572_368258","href":"http://dx.doi.org/10.15168/11572_368258","code":true},{"text":"10.15168/11572_368258","href":"https://doi.org/10.15168/11572_368258","code":true}]}]},"links":{"outbound_url":"https://hdl.handle.net/11572/368258","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Benedetti, Manuel","Massa, Andrea"]},{"key":"dc:creator","label":"Author","values":["Benedetti, Manuel"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2008"]},{"key":"dc:publisher","label":"Institution","values":["Università degli studi di Trento","place:TRENTO"]},{"key":"dc:relation","label":"Dc Relation","values":["firstpage:1","lastpage:251","numberofpages:251"]},{"key":"dc:type","label":"Dc Type","values":["info:eu-repo/semantics/doctoralThesis"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Settore ING-INF/05 - Sistemi di Elaborazione delle Informazioni","Settore ING-INF/02 - Campi Elettromagnetici"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["eng"]},{"key":"dc:rights","label":"Dc Rights","values":["info:eu-repo/semantics/openAccess","license:Tutti i diritti riservati (All rights reserved)"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["https://hdl.handle.net/11572/368258","http://dx.doi.org/10.15168/11572_368258","10.15168/11572_368258"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["In the framework of inverse electromagnetic scattering techniques, the thesis focuses on the development and the analysis of the integration between a multi-resolution imaging procedure and a shape-optimization-based technique. The arising methodology allows, on one hand, to fully exploit the limited amount of information collectable from scattering measurements by means of the iterative multi-scaling approach (IMSA) which enables a detailed reconstruction only where needed without increasing the number of unknowns. On the other hand, the use of shape-optimization, such as the level-set-based minimization, provide an effective description of the class of targets to be retrieved by using a-priori\" information about the homogeneity of the scatterers. In order to assess strong points and drawbacks of such an hybrid approach when dealing with one or multiple scatterers a numerical validation of the proposed implementations is carried out by processing both synthetic and laboratory-controlled scattering data.\""]},{"key":"dc:title","label":"Title","values":["Multi-Resolution Techniques Based on Shape-Optimization for the Solution of Inverse-Scattering Problems"]}]}],"canonical_facts":{"dc:contributor":["Benedetti, Manuel","Massa, Andrea"],"dc:creator":["Benedetti, Manuel"],"dc:date":["2008"],"dc:description":["In the framework of inverse electromagnetic scattering techniques, the thesis focuses on the development and the analysis of the integration between a multi-resolution imaging procedure and a shape-optimization-based technique. The arising methodology allows, on one hand, to fully exploit the limited amount of information collectable from scattering measurements by means of the iterative multi-scaling approach (IMSA) which enables a detailed reconstruction only where needed without increasing the number of unknowns. On the other hand, the use of shape-optimization, such as the level-set-based minimization, provide an effective description of the class of targets to be retrieved by using a-priori\" information about the homogeneity of the scatterers. In order to assess strong points and drawbacks of such an hybrid approach when dealing with one or multiple scatterers a numerical validation of the proposed implementations is carried out by processing both synthetic and laboratory-controlled scattering data.\""],"dc:identifier":["https://hdl.handle.net/11572/368258","http://dx.doi.org/10.15168/11572_368258","10.15168/11572_368258"],"dc:language":["eng"],"dc:publisher":["Università degli studi di Trento","place:TRENTO"],"dc:relation":["firstpage:1","lastpage:251","numberofpages:251"],"dc:rights":["info:eu-repo/semantics/openAccess","license:Tutti i diritti riservati (All rights reserved)"],"dc:subject":["Settore ING-INF/05 - Sistemi di Elaborazione delle Informazioni","Settore ING-INF/02 - Campi Elettromagnetici"],"dc:title":["Multi-Resolution Techniques Based on Shape-Optimization for the Solution of Inverse-Scattering Problems"],"dc:type":["info:eu-repo/semantics/doctoralThesis"]},"updated_at":"2026-07-24T05:04:45Z"}