{"id":"https://openalex.org/W2034263197","doi":"https://doi.org/10.1117/12.709702","title":"Receive channel FIR filters for enhanced contrast in medical ultrasound","display_name":"Receive channel FIR filters for enhanced contrast in medical ultrasound","publication_year":2007,"publication_date":"2007-03-08","ids":{"openalex":"https://openalex.org/W2034263197","doi":"https://doi.org/10.1117/12.709702","mag":"2034263197"},"language":"en","primary_location":{"id":"doi:10.1117/12.709702","doi":"https://doi.org/10.1117/12.709702","is_oa":false,"landing_page_url":"https://doi.org/10.1117/12.709702","pdf_url":null,"source":{"id":"https://openalex.org/S183492911","display_name":"Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE","issn_l":"0277-786X","issn":["0277-786X","1996-756X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","norway-1"],"host_organization":"https://openalex.org/P4310315543","host_organization_name":"SPIE","host_organization_lineage":["https://openalex.org/P4310315543"],"host_organization_lineage_names":["SPIE"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"SPIE 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":"Drake A. Guenther","raw_affiliation_strings":["Univ. of Virginia (United States)","University of Virginia; United States"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Univ. of Virginia (United States)","institution_ids":["https://openalex.org/I51556381"]},{"raw_affiliation_string":"University of Virginia; United States","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":"William F. Walker","raw_affiliation_strings":["Univ. of Virginia (United States)","University of Virginia; United States"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Univ. of Virginia (United States)","institution_ids":["https://openalex.org/I51556381"]},{"raw_affiliation_string":"University of Virginia; United States","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":1.9927,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.82208909,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"6513","issue":null,"first_page":"651303","last_page":"651303"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10727","display_name":"Ultrasound Imaging and Elastography","score":0.9223999977111816,"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":0.9223999977111816,"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":0.020099999383091927,"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/T11034","display_name":"Digital Filter Design and Implementation","score":0.008299999870359898,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/apodization","display_name":"apodization","score":0.6800000071525574},{"id":"https://openalex.org/keywords/point-spread-function","display_name":"point spread function","score":0.8220000267028809},{"id":"https://openalex.org/keywords/sidelobe-suppression","display_name":"sidelobe suppression","score":0.777999997138977},{"id":"https://openalex.org/keywords/grating-lobe-suppression","display_name":"grating lobe suppression","score":0.8159999847412109},{"id":"https://openalex.org/keywords/image-contrast","display_name":"image contrast","score":0.48100000619888306},{"id":"https://openalex.org/keywords/point-resolution","display_name":"point resolution","score":0.9819999933242798},{"id":"https://openalex.org/keywords/constrained-least-squares","display_name":"constrained least squares","score":0.7039999961853027},{"id":"https://openalex.org/keywords/ultrasound-beamforming","display_name":"ultrasound beamforming","score":0.796999990940094}],"concepts":[{"id":"https://openalex.org/C51427946","wikidata":"https://www.wikidata.org/wiki/Q618827","display_name":"Apodization","level":2,"score":0.8314751386642456},{"id":"https://openalex.org/C198386975","wikidata":"https://www.wikidata.org/wiki/Q117785","display_name":"Finite impulse response","level":2,"score":0.6768218278884888},{"id":"https://openalex.org/C166923610","wikidata":"https://www.wikidata.org/wiki/Q6673925","display_name":"Main lobe","level":3,"score":0.5242162942886353},{"id":"https://openalex.org/C78336883","wikidata":"https://www.wikidata.org/wiki/Q4779385","display_name":"Aperture (computer memory)","level":2,"score":0.5192692279815674},{"id":"https://openalex.org/C2778999744","wikidata":"https://www.wikidata.org/wiki/Q7208292","display_name":"Point target","level":3,"score":0.479830265045166},{"id":"https://openalex.org/C69179731","wikidata":"https://www.wikidata.org/wiki/Q510427","display_name":"Point spread function","level":2,"score":0.44304192066192627},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.437663197517395},{"id":"https://openalex.org/C72279823","wikidata":"https://www.wikidata.org/wiki/Q1139726","display_name":"Impulse response","level":2,"score":0.42919737100601196},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.41199153661727905},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.3956717848777771},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.32579636573791504},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.2674279808998108},{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.2592911720275879},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.24691975116729736},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.245501309633255},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.16763806343078613},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.0},{"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:10.1117/12.709702","doi":"https://doi.org/10.1117/12.709702","is_oa":false,"landing_page_url":"https://doi.org/10.1117/12.709702","pdf_url":null,"source":{"id":"https://openalex.org/S183492911","display_name":"Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE","issn_l":"0277-786X","issn":["0277-786X","1996-756X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","norway-1"],"host_organization":"https://openalex.org/P4310315543","host_organization_name":"SPIE","host_organization_lineage":["https://openalex.org/P4310315543"],"host_organization_lineage_names":["SPIE"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"SPIE 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":0,"referenced_works":[],"related_works":["https://openalex.org/W1974152900","https://openalex.org/W2095433283","https://openalex.org/W1982936910","https://openalex.org/W2144825751","https://openalex.org/W2153034861","https://openalex.org/W2097617077","https://openalex.org/W2539243153","https://openalex.org/W4399729286","https://openalex.org/W2032085963","https://openalex.org/W826692871"],"abstract_inverted_index":{"Aperture":[0],"weighting":[1],"functions":[2],"are":[3],"critical":[4],"design":[5,37],"parameters":[6],"in":[7,159,209,229,250],"the":[8,17,23,66,76,85,119,122,134,137,140,210,222,233],"development":[9],"of":[10,22,65,75,121,136,150],"ultrasound":[11,227],"systems":[12,255],"because":[13],"beam":[14],"characteristics":[15],"determine":[16],"contrast":[18,45,161,185,247],"and":[19,60,104,162,176,182,214,248],"point":[20,68,163],"resolution":[21,46,249],"final":[24],"image.":[25],"In":[26,50,80],"previous":[27],"work":[28,82],"by":[29,180,187],"our":[30],"group,":[31],"we":[32,53,83,166],"developed":[33],"a":[34,41,61,73,125,130,216],"general":[35],"apodization":[36,114,195],"method":[38],"that":[39,51,147,169],"optimizes":[40],"broadband":[42],"imaging":[43],"system's":[44],"performance":[47],"[1,":[48],"2].":[49],"algorithm":[52,220,241],"used":[54,244],"constrained":[55],"least":[56],"squares":[57],"(CLS)":[58],"techniques":[59],"linear":[62],"algebra":[63],"formulation":[64],"system":[67,234],"spread":[69],"function":[70,74],"(PSF)":[71],"as":[72,188,190],"scalar":[77],"aperture":[78,87],"weights.":[79],"this":[81,240],"replace":[84],"receive":[86,252],"weights":[88],"with":[89,100,112],"individual":[90],"channel":[91],"finite":[92],"impulse":[93],"response":[94,235],"(FIR)":[95],"filters":[96,149,172,205],"to":[97,109,193,224,245],"produce":[98],"PSFs":[99,110],"narrower":[101],"mainlobe":[102],"widths":[103],"lower":[105],"sidelobe":[106,175,207],"levels":[107],"compared":[108,192],"produced":[111],"conventional":[113,194],"functions.":[115],"Our":[116,219],"approach":[117],"minimizes":[118],"energy":[120,135,179,208],"PSF":[123,138,213],"outside":[124],"defined":[126],"boundary":[127],"while":[128],"imposing":[129],"quadratic":[131],"constraint":[132],"on":[133],"inside":[139],"boundary.":[141],"We":[142,197],"present":[143],"simulation":[144],"results":[145,168,201],"showing":[146],"FIR":[148,171,204],"modest":[151],"tap":[152],"lengths":[153],"(3-7)":[154],"can":[155,173,242],"yield":[156],"marked":[157],"improvement":[158],"image":[160],"resolution.":[164],"Specifically":[165],"show":[167,199],"7-tap":[170],"reduce":[174],"grating":[177],"lobe":[178],"30dB":[181],"improve":[183,226],"cystic":[184],"[3]":[186],"much":[189],"20dB":[191],"profiles.":[196],"also":[198],"experimental":[200],"where":[202,232],"multi-tap":[203],"decrease":[206],"resulting":[211],"2D":[212],"maintain":[215],"narrow":[217],"mainlobe.":[218],"has":[221],"potential":[223],"significantly":[225],"beamforming":[228,254],"any":[230],"application":[231],"is":[236],"well":[237],"characterized.":[238],"Furthermore,":[239],"be":[243],"increase":[246],"novel":[251],"only":[253],"[4,":[256],"5].":[257]},"counts_by_year":[],"updated_date":"2026-07-30T17:31:21.811387","created_date":"2016-06-24T00:00:00"}
