{"id":"https://openalex.org/W2095433283","doi":"https://doi.org/10.1109/ultsym.2007.23","title":"2C-6 Optimal Contrast Resolution Beamforming","display_name":"2C-6 Optimal Contrast Resolution Beamforming","publication_year":2007,"publication_date":"2007-10-01","ids":{"openalex":"https://openalex.org/W2095433283","doi":"https://doi.org/10.1109/ultsym.2007.23","mag":"2095433283"},"language":"en","primary_location":{"id":"doi:10.1109/ultsym.2007.23","doi":"https://doi.org/10.1109/ultsym.2007.23","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ultsym.2007.23","pdf_url":null,"source":{"id":"https://openalex.org/S4210177450","display_name":"Proceedings/Proceedings - IEEE Ultrasonics Symposium","issn_l":"1051-0117","issn":["1051-0117","1551-3025"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core"],"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2007 IEEE Ultrasonics Symposium Proceedings","raw_type":"proceedings-article"},"volume":null,"type":"conference-paper","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5066226221","display_name":"Drake A. Guenther","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I51556381","display_name":"University of Virginia","ror":"https://ror.org/0153tk833","country_code":"US","type":"education","lineage":["https://openalex.org/I51556381"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"D.A. Guenther","raw_affiliation_strings":["Department of Biomedical Engineering, University of Virginia, Charlottesville, VA, USA","University of Virginia, Charlottesville,"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Biomedical Engineering, University of Virginia, Charlottesville, VA, USA","institution_ids":["https://openalex.org/I51556381"]},{"raw_affiliation_string":"University of Virginia, Charlottesville,","institution_ids":["https://openalex.org/I51556381"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5011764150","display_name":"William F. Walker","orcid":"https://orcid.org/0000-0002-3642-3780","observed_orcids":["https://orcid.org/0000-0002-3642-3780"]},"institutions":[{"id":"https://openalex.org/I51556381","display_name":"University of Virginia","ror":"https://ror.org/0153tk833","country_code":"US","type":"education","lineage":["https://openalex.org/I51556381"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"W.F. Walker","raw_affiliation_strings":["Department of Biomedical Engineering, University of Virginia, Charlottesville, VA, USA","University of Virginia, Charlottesville,"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Biomedical Engineering, University of Virginia, Charlottesville, VA, USA","institution_ids":["https://openalex.org/I51556381"]},{"raw_affiliation_string":"University of Virginia, Charlottesville,","institution_ids":["https://openalex.org/I51556381"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I51556381"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.19353998,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"37","last_page":"41"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10727","display_name":"Ultrasound Imaging and Elastography","score":0.8925999999046326,"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"}},"topics":[{"id":"https://openalex.org/T10727","display_name":"Ultrasound Imaging and Elastography","score":0.8925999999046326,"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/T10662","display_name":"Ultrasonics and Acoustic Wave Propagation","score":0.030400000512599945,"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/T12015","display_name":"Photoacoustic and Ultrasonic Imaging","score":0.012299999594688416,"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/contrast-resolution","display_name":"contrast resolution","score":0.6430000066757202},{"id":"https://openalex.org/keywords/beamforming","display_name":"beamforming","score":0.6899999976158142},{"id":"https://openalex.org/keywords/fir-filters","display_name":"FIR filters","score":0.6880000233650208},{"id":"https://openalex.org/keywords/delay-and-sum-beamforming","display_name":"delay-and-sum beamforming","score":0.9010000228881836},{"id":"https://openalex.org/keywords/apodization","display_name":"apodization","score":0.6949999928474426},{"id":"https://openalex.org/keywords/point-spread-function","display_name":"point spread function","score":0.8479999899864197},{"id":"https://openalex.org/keywords/phase-aberration","display_name":"phase aberration","score":0.7720000147819519},{"id":"https://openalex.org/keywords/antenna-array-synthesis","display_name":"antenna array synthesis","score":0.8309999704360962}],"concepts":[{"id":"https://openalex.org/C51427946","wikidata":"https://www.wikidata.org/wiki/Q618827","display_name":"Apodization","level":2,"score":0.6809210777282715},{"id":"https://openalex.org/C198386975","wikidata":"https://www.wikidata.org/wiki/Q117785","display_name":"Finite impulse response","level":2,"score":0.579157292842865},{"id":"https://openalex.org/C69179731","wikidata":"https://www.wikidata.org/wiki/Q510427","display_name":"Point spread function","level":2,"score":0.524226725101471},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.520336389541626},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.4868864119052887},{"id":"https://openalex.org/C205372480","wikidata":"https://www.wikidata.org/wiki/Q210521","display_name":"Image resolution","level":2,"score":0.4714302122592926},{"id":"https://openalex.org/C72279823","wikidata":"https://www.wikidata.org/wiki/Q1139726","display_name":"Impulse response","level":2,"score":0.4348132908344269},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.42182135581970215},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4169911742210388},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.33476483821868896},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.32679110765457153},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.22361311316490173},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/ultsym.2007.23","doi":"https://doi.org/10.1109/ultsym.2007.23","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ultsym.2007.23","pdf_url":null,"source":{"id":"https://openalex.org/S4210177450","display_name":"Proceedings/Proceedings - IEEE Ultrasonics Symposium","issn_l":"1051-0117","issn":["1051-0117","1551-3025"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core"],"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2007 IEEE Ultrasonics Symposium Proceedings","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":9,"referenced_works":["https://openalex.org/W2065714747","https://openalex.org/W2096932028","https://openalex.org/W2097617077","https://openalex.org/W2111460811","https://openalex.org/W2126407517","https://openalex.org/W2153034861","https://openalex.org/W2157494878","https://openalex.org/W2161469909","https://openalex.org/W2163303981"],"related_works":["https://openalex.org/W1974152900","https://openalex.org/W2034263197","https://openalex.org/W2144825751","https://openalex.org/W3214663707","https://openalex.org/W2154995499","https://openalex.org/W2801138352","https://openalex.org/W2116518425","https://openalex.org/W3208821888","https://openalex.org/W2539243153","https://openalex.org/W2536414465"],"abstract_inverted_index":{"The":[0,94],"delay-and-sum":[1],"(DAS)":[2],"beamformer,":[3],"utilized":[4],"in":[5,126,134,144,177,209],"current":[6],"state":[7],"of":[8,68,104,117,141,151,173,180,192,203,212,222,230,272],"the":[9,23,28,42,48,51,64,69,101,105,139,149,157,171,174,178,210,238,243,263,268],"art":[10],"ultrasound":[11],"imaging":[12,80,274],"systems,":[13],"applies":[14],"time":[15],"delays":[16],"on":[17,32,90,156],"each":[18,33,91],"receive":[19,34,92],"channel":[20,35,93],"to":[21,37,99,265],"focus":[22],"returning":[24],"echoes":[25],"and":[26,44,66,129,153,195,225,259],"weights":[27,96],"focused":[29],"RF":[30],"data":[31],"prior":[36],"beamsummation.":[38],"Apodization":[39],"functions":[40],"like":[41],"Hamming":[43],"Nuttall":[45],"windows":[46],"reduce":[47],"sidelobe":[49],"levels":[50],"DAS":[52,245],"beamformer's":[53],"point":[54,130],"spread":[55],"function":[56],"(PSF).":[57],"As":[58],"a":[59,75,142,186,196,218,226],"result,":[60],"apodization":[61],"greatly":[62],"impacts":[63],"contrast":[65,102,128,135,269],"resolution":[67,103,136,234,270],"final":[70],"output":[71],"image.":[72],"We":[73,109,147,251],"propose":[74],"beamformer":[76,145,159,176,241,246,260],"architecture":[77,261],"for":[78],"broadband":[79,273],"systems":[81],"that":[82,114,237,253],"uses":[83],"unique":[84],"finite":[85],"impulse":[86],"response":[87],"(FIR)":[88],"filters":[89,116],"filter":[95],"are":[97],"constructed":[98],"maximize":[100],"system's":[106],"spatial":[107],"response.":[108],"present":[110],"simulation":[111],"results":[112,235],"showing":[113],"FIR":[115,158,175,240],"modest":[118],"tap":[119],"lengths":[120],"(3-7)":[121],"can":[122],"yield":[123],"marked":[124],"improvement":[125],"image":[127],"resolution.":[131],"This":[132],"increase":[133],"comes":[137],"at":[138,198],"expense":[140],"decrease":[143],"sensitivity.":[146],"investigate":[148],"effects":[150],"magnitude":[152,181],"phase":[154,165,213],"aberration":[155,182,214],"by":[160,184,216,247],"simulating":[161],"near":[162],"field":[163],"thin":[164],"screen":[166],"aberrators.":[167],"Specifically":[168],"we":[169],"examine":[170],"performance":[172,271],"presence":[179,211],"characterized":[183,215],"an":[185,217],"priori":[187,219],"root-mean-":[188],"square":[189],"(RMS)":[190],"strength":[191,221],"5":[193],"dB":[194],"full-width":[197],"half-maximum":[199],"(FWHM)":[200],"correlation":[201,228],"length":[202,229],"2.1":[204],"mm":[205],"as":[206,208],"well":[207],"RMS":[220],"28":[223],"ns":[224],"FWHM":[227],"3.6":[231],"mm.":[232],"Contrast":[233],"show":[236],"aberrated":[239],"outperforms":[242],"unaberrated":[244],"almost":[248],"10":[249],"dB.":[250],"believe":[252],"our":[254],"array":[255],"pattern":[256],"synthesis":[257],"technique":[258],"have":[262],"potential":[264],"significantly":[266],"improve":[267],"systems.":[275]},"counts_by_year":[],"updated_date":"2026-10-06T10:28:23.643775","created_date":"2016-06-24T00:00:00"}