{"id":"https://openalex.org/W2140071014","doi":"https://doi.org/10.1109/ultsym.2015.0198","title":"Improving lateral resolution in ultrasonic Imaging by utilizing nulls in the beam pattern","display_name":"Improving lateral resolution in ultrasonic Imaging by utilizing nulls in the beam pattern","publication_year":2015,"publication_date":"2015-10-01","ids":{"openalex":"https://openalex.org/W2140071014","doi":"https://doi.org/10.1109/ultsym.2015.0198","mag":"2140071014"},"language":"en","primary_location":{"id":"doi:10.1109/ultsym.2015.0198","doi":"https://doi.org/10.1109/ultsym.2015.0198","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ultsym.2015.0198","pdf_url":null,"source":{"id":"https://openalex.org/S4393917990","display_name":"IEEE International Ultrasonics Symposium","issn_l":"1948-5719","issn":["1948-5719"],"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":["jufo-1","norway-1"],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2015 IEEE International Ultrasonics Symposium (IUS)","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/A5066362505","display_name":"Jonathan Reeg","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I157725225","display_name":"University of Illinois Urbana-Champaign","ror":"https://ror.org/047426m28","country_code":"US","type":"education","lineage":["https://openalex.org/I157725225"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Jonathan Reeg","raw_affiliation_strings":["Department of Electrical and Computer Engineering, University of Illinois, Urbana-Champaign, IL, USA","Department of Electrical and Computer Engineering University of Illinois, Urbana-Champaign, 61801, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, University of Illinois, Urbana-Champaign, IL, USA","institution_ids":["https://openalex.org/I157725225"]},{"raw_affiliation_string":"Department of Electrical and Computer Engineering University of Illinois, Urbana-Champaign, 61801, USA","institution_ids":["https://openalex.org/I157725225"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5004000426","display_name":"Michael L. Oelze","orcid":"https://orcid.org/0000-0002-3099-7425","observed_orcids":["https://orcid.org/0000-0002-3099-7425"]},"institutions":[{"id":"https://openalex.org/I157725225","display_name":"University of Illinois Urbana-Champaign","ror":"https://ror.org/047426m28","country_code":"US","type":"education","lineage":["https://openalex.org/I157725225"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Michael L. Oelze","raw_affiliation_strings":["Department of Electrical and Computer Engineering, University of Illinois, Urbana-Champaign, IL, USA","Department of Electrical and Computer Engineering University of Illinois, Urbana-Champaign, 61801, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, University of Illinois, Urbana-Champaign, IL, USA","institution_ids":["https://openalex.org/I157725225"]},{"raw_affiliation_string":"Department of Electrical and Computer Engineering University of Illinois, Urbana-Champaign, 61801, USA","institution_ids":["https://openalex.org/I157725225"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I157725225"],"apc_list":null,"apc_paid":null,"fwci":3.2532,"has_fulltext":false,"cited_by_count":9,"citation_normalized_percentile":{"value":0.90891045,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"4"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10727","display_name":"Ultrasound Imaging and Elastography","score":0.7246000170707703,"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":0.7246000170707703,"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":0.15330000221729279,"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":0.03519999980926514,"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/lateral-resolution","display_name":"lateral resolution","score":0.7099999785423279},{"id":"https://openalex.org/keywords/sidelobe-suppression","display_name":"sidelobe suppression","score":0.8479999899864197},{"id":"https://openalex.org/keywords/beamforming","display_name":"beamforming","score":0.492000013589859},{"id":"https://openalex.org/keywords/ultrasonography","display_name":"ultrasonography","score":0.5239999890327454},{"id":"https://openalex.org/keywords/contrast-to-noise-ratio","display_name":"contrast-to-noise ratio","score":0.8920000195503235},{"id":"https://openalex.org/keywords/image-reconstruction","display_name":"image reconstruction","score":0.33899998664855957}],"concepts":[{"id":"https://openalex.org/C2989478337","wikidata":"https://www.wikidata.org/wiki/Q234904","display_name":"Ultrasonic imaging","level":3,"score":0.715442419052124},{"id":"https://openalex.org/C81288441","wikidata":"https://www.wikidata.org/wiki/Q20736125","display_name":"Ultrasonic sensor","level":2,"score":0.6023755073547363},{"id":"https://openalex.org/C168834538","wikidata":"https://www.wikidata.org/wiki/Q3705329","display_name":"Beam (structure)","level":2,"score":0.5348502397537231},{"id":"https://openalex.org/C138268822","wikidata":"https://www.wikidata.org/wiki/Q1051925","display_name":"Resolution (logic)","level":2,"score":0.513659656047821},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.5113570094108582},{"id":"https://openalex.org/C205372480","wikidata":"https://www.wikidata.org/wiki/Q210521","display_name":"Image resolution","level":2,"score":0.5021941661834717},{"id":"https://openalex.org/C97337990","wikidata":"https://www.wikidata.org/wiki/Q7099041","display_name":"Optoacoustic imaging","level":2,"score":0.4992790222167969},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.4698304831981659},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.3851923942565918},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.36964523792266846},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.3136979341506958},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.1673946976661682}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/ultsym.2015.0198","doi":"https://doi.org/10.1109/ultsym.2015.0198","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ultsym.2015.0198","pdf_url":null,"source":{"id":"https://openalex.org/S4393917990","display_name":"IEEE International Ultrasonics Symposium","issn_l":"1948-5719","issn":["1948-5719"],"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":["jufo-1","norway-1"],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2015 IEEE International Ultrasonics Symposium (IUS)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320332222","display_name":"University of Illinois at Urbana-Champaign","ror":"https://ror.org/047426m28"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":17,"referenced_works":["https://openalex.org/W1969018576","https://openalex.org/W2011312115","https://openalex.org/W2021179524","https://openalex.org/W2041644377","https://openalex.org/W2058045544","https://openalex.org/W2078719692","https://openalex.org/W2081359092","https://openalex.org/W2106508418","https://openalex.org/W2111460811","https://openalex.org/W2134366048","https://openalex.org/W2153034861","https://openalex.org/W2154751954","https://openalex.org/W2161469909","https://openalex.org/W2166343165","https://openalex.org/W2166840709","https://openalex.org/W2167976608","https://openalex.org/W4250429875"],"related_works":["https://openalex.org/W2611256487","https://openalex.org/W2897433508","https://openalex.org/W2550000062","https://openalex.org/W2778401855","https://openalex.org/W2941181527","https://openalex.org/W2951194414","https://openalex.org/W2011312115","https://openalex.org/W7204168543","https://openalex.org/W4408280485","https://openalex.org/W3155869079"],"abstract_inverted_index":{"Reduction":[0],"of":[1,23,45,93,124,160,249,264,280,321,332],"lateral":[2,29,57,150,175,240,265],"sidelobes":[3,16],"results":[4],"in":[5,17,112,188,276,304],"improved":[6,144],"ultrasonic":[7],"imaging.":[8],"In":[9,59,237],"general,":[10],"apodization":[11,64,72,99,106,120],"is":[12,35,74,100,114,121],"used":[13,187],"to":[14,49,50,138,153,173,180,192,244,255,272,313,327],"lower":[15],"exchange":[18],"for":[19],"increasing":[20],"the":[21,24,46,60,84,91,94,101,104,122,125,131,158,189,205,239,270,281,292,305,339],"width":[22],"mainlobe":[25,271],"and":[26,147,177,207,221,231,278],"thus":[27],"decreasing":[28],"resolution.":[30,58],"Null":[31],"Subtraction":[32],"Imaging":[33],"(NSI)":[34],"a":[36,77,88,109,140,198,247,300],"technique":[37],"that":[38,108],"uses":[39],"different":[40,132],"on-receive":[41],"apodizations":[42],"on":[43,68,295],"copies":[44],"same":[47,102],"image":[48,142],"reduce":[51],"sidelobe":[52,145,273],"levels":[53],"while":[54],"also":[55],"improving":[56],"NSI":[61,230,325,340],"technique,":[62,162],"several":[63],"functions":[65],"are":[66,135],"applied":[67,75,115],"receive.":[69],"The":[70,97,118,127],"first":[71,105],"weight":[73,113],"having":[76],"zero":[78],"mean":[79],"value":[80],"when":[81,253,337],"summed":[82],"across":[83],"aperture.":[85],"This":[86],"places":[87],"null":[89],"at":[90,315],"broadside":[92],"receive":[95,268,296],"pattern.":[96],"second":[98],"as":[103,297],"except":[107],"constant":[110],"offset":[111],"(non-zero":[116],"mean).":[117],"third":[119],"transpose":[123],"second.":[126],"images":[128],"created":[129],"with":[130,143,166,197,224,233,290,324],"weighting":[133],"schemes":[134],"then":[136],"added":[137],"form":[139],"new":[141],"performance":[146,159],"dramatically":[148],"better":[149,252],"resolution":[151,176,241,266],"compared":[152,232,254,326],"conventional":[154],"apodization.":[155,225,257,329],"To":[156],"evaluate":[157],"this":[161],"experiments":[163],"were":[164,202,210,227,311,335],"performed":[165],"an":[167,193,319],"ATS539":[168],"phantom":[169,307],"containing":[170],"wire":[171,302],"targets":[172,179,334],"assess":[174,181],"cylinder":[178],"contrast.":[182],"A":[183],"9L4":[184],"array":[185,206,214],"was":[186,242,260,308],"measurements":[190],"connected":[191],"Ultrasonix":[194],"RP":[195],"system":[196],"SonixDAQ.":[199],"Plane":[200],"waves":[201],"emitted":[203],"from":[204,299],"ultrasound":[208],"echoes":[209],"received":[211],"by":[212,246,262,318],"each":[213,316],"element.":[215],"Image":[216,258],"reconstruction":[217],"involved":[218],"using":[219,229],"Delay":[220],"Sum":[222],"beamforming":[223],"Images":[226],"constructed":[228],"rectangular":[234,256,328],"weighted":[235],"apertures.":[236],"experiments,":[238],"observed":[243,312],"improve":[245],"factor":[248],"five":[250],"or":[251],"quality":[259],"assessed":[261],"estimation":[263,279],"(-3-dB":[267],"beamwidth),":[269],"ratio":[274,283],"(MSR)":[275],"dB":[277,323],"contrast-to-noise":[282],"(CNR).":[284],"At":[285],"f/#":[286,317],"=":[287],"1":[288],"focusing":[289],"NSI,":[291],"-6-dB":[293],"beamwidth":[294],"measured":[298],"small":[301],"target":[303],"ATS":[306],"0.414\u03bb.":[309],"Sidelobes":[310],"decrease":[314],"average":[320],"17":[322],"However,":[330],"contrast":[331],"hyperechoic":[333],"lost":[336],"utilizing":[338],"scheme.":[341]},"counts_by_year":[{"year":2025,"cited_by_count":2},{"year":2022,"cited_by_count":1},{"year":2019,"cited_by_count":2},{"year":2018,"cited_by_count":3},{"year":2016,"cited_by_count":1}],"updated_date":"2026-10-16T09:59:22.235173","created_date":"2016-06-24T00:00:00"}