{"id":"https://openalex.org/W2960334147","doi":"https://doi.org/10.1109/isbi.2019.8759495","title":"Iteratively-Reweighted Beamforming For High-Resolution Ultrasound Imaging","display_name":"Iteratively-Reweighted Beamforming For High-Resolution Ultrasound Imaging","publication_year":2019,"publication_date":"2019-04-01","ids":{"openalex":"https://openalex.org/W2960334147","doi":"https://doi.org/10.1109/isbi.2019.8759495","mag":"2960334147"},"language":"en","primary_location":{"id":"doi:10.1109/isbi.2019.8759495","is_oa":false,"landing_page_url":"https://doi.org/10.1109/isbi.2019.8759495","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2019 IEEE 16th International Symposium on Biomedical Imaging (ISBI 2019)","raw_type":"proceedings-article"},"type":"conference-paper","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://mpra.ub.uni-muenchen.de/78339/1/MPRA_paper_78339.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5076547825","display_name":"Amol G Mahurkar","orcid":"https://orcid.org/0000-0002-0444-3648"},"institutions":[{"id":"https://openalex.org/I59270414","display_name":"Indian Institute of Science Bangalore","ror":"https://ror.org/04dese585","country_code":"IN","type":"education","lineage":["https://openalex.org/I59270414"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Amol G Mahurkar","raw_affiliation_strings":["Department of Electrical Engineering, Indian Institute of Science, Bangalore-12, India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, Indian Institute of Science, Bangalore-12, India","institution_ids":["https://openalex.org/I59270414"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5029545056","display_name":"Praveen Kumar Pokala","orcid":"https://orcid.org/0000-0001-5513-5891"},"institutions":[{"id":"https://openalex.org/I59270414","display_name":"Indian Institute of Science Bangalore","ror":"https://ror.org/04dese585","country_code":"IN","type":"education","lineage":["https://openalex.org/I59270414"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Praveenkumar Pokala","raw_affiliation_strings":["Department of Electrical Engineering, Indian Institute of Science, Bangalore-12, India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, Indian Institute of Science, Bangalore-12, India","institution_ids":["https://openalex.org/I59270414"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5005652970","display_name":"Chandra Sekhar Seelamantula","orcid":"https://orcid.org/0000-0001-9049-1912"},"institutions":[{"id":"https://openalex.org/I59270414","display_name":"Indian Institute of Science Bangalore","ror":"https://ror.org/04dese585","country_code":"IN","type":"education","lineage":["https://openalex.org/I59270414"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Chandra Sekhar Seelamantula","raw_affiliation_strings":["Department of Electrical Engineering, Indian Institute of Science, Bangalore-12, India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, Indian Institute of Science, Bangalore-12, India","institution_ids":["https://openalex.org/I59270414"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I59270414"],"apc_list":null,"apc_paid":null,"fwci":0.8944,"has_fulltext":true,"cited_by_count":1,"citation_normalized_percentile":{"value":0.67459301,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"4","issue":null,"first_page":"1745","last_page":"1748"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10662","display_name":"Ultrasonics and Acoustic Wave Propagation","score":0.9997000098228455,"subfield":{"id":"https://openalex.org/subfields/2211","display_name":"Mechanics of Materials"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10662","display_name":"Ultrasonics and Acoustic Wave Propagation","score":0.9997000098228455,"subfield":{"id":"https://openalex.org/subfields/2211","display_name":"Mechanics of Materials"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10727","display_name":"Ultrasound Imaging and Elastography","score":0.9997000098228455,"subfield":{"id":"https://openalex.org/subfields/2741","display_name":"Radiology, Nuclear Medicine and Imaging"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T11739","display_name":"Microwave Imaging and Scattering Analysis","score":0.9980000257492065,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/apodization","display_name":"Apodization","score":0.8869152069091797},{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.8052497506141663},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.6286545395851135},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5519183278083801},{"id":"https://openalex.org/keywords/optimization-problem","display_name":"Optimization problem","score":0.45154449343681335},{"id":"https://openalex.org/keywords/gaussian","display_name":"Gaussian","score":0.43753740191459656},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3497708737850189},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.18713456392288208},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.172603577375412},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.12100681662559509}],"concepts":[{"id":"https://openalex.org/C51427946","wikidata":"https://www.wikidata.org/wiki/Q618827","display_name":"Apodization","level":2,"score":0.8869152069091797},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.8052497506141663},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.6286545395851135},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5519183278083801},{"id":"https://openalex.org/C137836250","wikidata":"https://www.wikidata.org/wiki/Q984063","display_name":"Optimization problem","level":2,"score":0.45154449343681335},{"id":"https://openalex.org/C163716315","wikidata":"https://www.wikidata.org/wiki/Q901177","display_name":"Gaussian","level":2,"score":0.43753740191459656},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3497708737850189},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.18713456392288208},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.172603577375412},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.12100681662559509},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/isbi.2019.8759495","is_oa":false,"landing_page_url":"https://doi.org/10.1109/isbi.2019.8759495","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2019 IEEE 16th International Symposium on Biomedical Imaging (ISBI 2019)","raw_type":"proceedings-article"},{"id":"pmh:oai::78339","is_oa":true,"landing_page_url":null,"pdf_url":"https://mpra.ub.uni-muenchen.de/78339/1/MPRA_paper_78339.pdf","source":{"id":"https://openalex.org/S4306401702","display_name":"Universitas Pasundan institutional repositories & scientific journals (Universitas Pasundan)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4210159629","host_organization_name":"Universitas Pasundan","host_organization_lineage":["https://openalex.org/I4210159629"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Conference Paper"}],"best_oa_location":{"id":"pmh:oai::78339","is_oa":true,"landing_page_url":null,"pdf_url":"https://mpra.ub.uni-muenchen.de/78339/1/MPRA_paper_78339.pdf","source":{"id":"https://openalex.org/S4306401702","display_name":"Universitas Pasundan institutional repositories & scientific journals (Universitas Pasundan)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4210159629","host_organization_name":"Universitas Pasundan","host_organization_lineage":["https://openalex.org/I4210159629"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Conference Paper"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2960334147.pdf","grobid_xml":"https://content.openalex.org/works/W2960334147.grobid-xml"},"referenced_works_count":8,"referenced_works":["https://openalex.org/W2066218102","https://openalex.org/W2081359092","https://openalex.org/W2119026190","https://openalex.org/W2140214929","https://openalex.org/W2166117654","https://openalex.org/W2546974404","https://openalex.org/W2965853747","https://openalex.org/W6752343514"],"related_works":["https://openalex.org/W2619149425","https://openalex.org/W2037148001","https://openalex.org/W2351106458","https://openalex.org/W2391823059","https://openalex.org/W2619895501","https://openalex.org/W3108302206","https://openalex.org/W1974101275","https://openalex.org/W4286569445","https://openalex.org/W4315783257","https://openalex.org/W2047743558"],"abstract_inverted_index":{"Ultrasound":[0],"imaging":[1,154],"typically":[2,14],"employs":[3],"delay-and-sum":[4],"(DAS)":[5],"beamformers":[6],"for":[7,44,141],"image":[8],"reconstruction.":[9],"An":[10],"apodization":[11,106],"window":[12],"is":[13,58,69,79,125,150],"used":[15],"to":[16,81,102,117],"suppress":[17],"the":[18,27,31,51,54,67,86,104,128,153],"beam-pattern's":[19],"sidelobes.":[20],"This":[21,108,148],"approach":[22],"introduces":[23],"a":[24,41,61,98,112,118,133,159],"trade-off":[25],"between":[26],"mainlobe":[28,114],"width":[29],"versus":[30],"sidelobe":[32],"attenuation":[33],"and":[34,46,66,73,132,157],"therefore":[35],"offers":[36],"limited":[37],"performance.":[38],"We":[39],"consider":[40],"statistical":[42],"framework":[43],"beamforming":[45,94],"present":[47],"two":[48],"variants.":[49],"In":[50,85],"first":[52],"one,":[53],"signal":[55],"of":[56,144,152,164],"interest":[57],"modeled":[59,70,137],"as":[60,71],"Laplacian":[62],"distributed":[63],"random":[64],"variable":[65],"interference":[68],"additive":[72],"Gaussian":[74],"distributed.":[75],"A":[76],"closed-form":[77],"solution":[78],"obtained":[80],"this":[82],"optimization":[83,100],"problem.":[84],"second":[87],"variant,":[88],"we":[89],"propose":[90],"an":[91],"iteratively-reweighted":[92],"(IR)":[93],"algorithm,":[95],"which":[96],"solves":[97],"constrained":[99],"problem":[101],"determine":[103],"optimal":[105],"weights.":[107],"beamformer":[109,131],"results":[110],"in":[111,162],"sharper":[113],"that":[115],"translates":[116],"finer":[119],"lateral":[120,165],"resolution.":[121,166],"The":[122],"proposed":[123,135],"method":[124],"compared":[126],"with":[127],"standard":[129],"DAS":[130],"recently":[134],"statistically":[136],"beamformer,":[138],"namely":[139],"iMAP":[140],"different":[142],"number":[143],"plane-wave":[145],"(PW)":[146],"insonifications.":[147],"algorithm":[149],"independent":[151],"modality":[155],"employed":[156],"exhibits":[158],"superior":[160],"performance":[161],"terms":[163]},"counts_by_year":[{"year":2020,"cited_by_count":1}],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}