{"id":"https://openalex.org/W2016567399","doi":"https://doi.org/10.1118/1.2240235","title":"SU\u2010EE\u2010A4\u201003: Spatial Resolution\u2010Matched Comparison Between Fan\u2010Beam and Cone\u2010Beam X\u2010Ray CT Images","display_name":"SU\u2010EE\u2010A4\u201003: Spatial Resolution\u2010Matched Comparison Between Fan\u2010Beam and Cone\u2010Beam X\u2010Ray CT Images","publication_year":2006,"publication_date":"2006-06-01","ids":{"openalex":"https://openalex.org/W2016567399","doi":"https://doi.org/10.1118/1.2240235","mag":"2016567399"},"language":"en","primary_location":{"id":"doi:10.1118/1.2240235","doi":"https://doi.org/10.1118/1.2240235","is_oa":false,"landing_page_url":"https://doi.org/10.1118/1.2240235","pdf_url":null,"source":{"id":"https://openalex.org/S95522064","display_name":"Medical Physics","issn_l":"0094-2405","issn":["0094-2405","1522-8541","2473-4209"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-c","doyens","jufo-1","ki-jl-1","medline","norway-1","poland-100","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Medical Physics","raw_type":"journal-article"},"volume":null,"type":"article","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/A5047637389","display_name":"G Lasio","orcid":"https://orcid.org/0000-0001-6366-2595","observed_orcids":["https://orcid.org/0000-0001-6366-2595"]},"institutions":[{"id":"https://openalex.org/I184840846","display_name":"Virginia Commonwealth University","ror":"https://ror.org/02nkdxk79","country_code":"US","type":"education","lineage":["https://openalex.org/I184840846"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"G Lasio","raw_affiliation_strings":["Virginia Commonwealth University, Richmond, VA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Virginia Commonwealth University, Richmond, VA","institution_ids":["https://openalex.org/I184840846"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5032752677","display_name":"Jeffrey F. Williamson","orcid":"https://orcid.org/0000-0001-8559-2436","observed_orcids":["https://orcid.org/0000-0001-8559-2436"]},"institutions":[{"id":"https://openalex.org/I184840846","display_name":"Virginia Commonwealth University","ror":"https://ror.org/02nkdxk79","country_code":"US","type":"education","lineage":["https://openalex.org/I184840846"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"J Williamson","raw_affiliation_strings":["Virginia Commonwealth University, Richmond, VA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Virginia Commonwealth University, Richmond, VA","institution_ids":["https://openalex.org/I184840846"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5110026853","display_name":"W Du","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I184840846","display_name":"Virginia Commonwealth University","ror":"https://ror.org/02nkdxk79","country_code":"US","type":"education","lineage":["https://openalex.org/I184840846"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"W Du","raw_affiliation_strings":["Virginia Commonwealth University, Richmond, VA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Virginia Commonwealth University, Richmond, VA","institution_ids":["https://openalex.org/I184840846"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5005492801","display_name":"Mirek Fatyga","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I184840846","display_name":"Virginia Commonwealth University","ror":"https://ror.org/02nkdxk79","country_code":"US","type":"education","lineage":["https://openalex.org/I184840846"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"M Fatyga","raw_affiliation_strings":["Virginia Commonwealth University, Richmond, VA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Virginia Commonwealth University, Richmond, VA","institution_ids":["https://openalex.org/I184840846"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I184840846"],"apc_list":{"value":3360,"currency":"USD","value_usd":3360},"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.15275271,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"33","issue":"6Part2","first_page":"1995","last_page":"1996"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10358","display_name":"Advanced Radiotherapy Techniques","score":0.5098000168800354,"subfield":{"id":"https://openalex.org/subfields/3108","display_name":"Radiation"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10358","display_name":"Advanced Radiotherapy Techniques","score":0.5098000168800354,"subfield":{"id":"https://openalex.org/subfields/3108","display_name":"Radiation"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10844","display_name":"Radiation Dose and Imaging","score":0.4032999873161316,"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/T12386","display_name":"Advanced X-ray and CT Imaging","score":0.04019999876618385,"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/cone-beam-computed-tomography","display_name":"cone-beam computed tomography","score":0.9570000171661377},{"id":"https://openalex.org/keywords/fan-beam-ct","display_name":"fan-beam CT","score":0.9670000076293945},{"id":"https://openalex.org/keywords/image-quality","display_name":"image quality","score":0.7490000128746033},{"id":"https://openalex.org/keywords/noise","display_name":"noise","score":0.5},{"id":"https://openalex.org/keywords/contrast-to-noise-ratio","display_name":"contrast-to-noise ratio","score":0.9459999799728394},{"id":"https://openalex.org/keywords/signal-to-noise-ratio","display_name":"signal-to-noise ratio","score":0.9459999799728394},{"id":"https://openalex.org/keywords/radiation-dose","display_name":"radiation dose","score":0.7049999833106995},{"id":"https://openalex.org/keywords/scatter-reduction","display_name":"scatter reduction","score":0.6539999842643738},{"id":"https://openalex.org/keywords/anti-scatter-grid","display_name":"anti-scatter grid","score":0.9599999785423279},{"id":"https://openalex.org/keywords/bowtie-filter","display_name":"bowtie filter","score":0.859000027179718},{"id":"https://openalex.org/keywords/radiotherapy-imaging","display_name":"radiotherapy imaging","score":0.460999995470047},{"id":"https://openalex.org/keywords/low-contrast-detectability","display_name":"low-contrast detectability","score":0.5490000247955322}],"concepts":[{"id":"https://openalex.org/C104293457","wikidata":"https://www.wikidata.org/wiki/Q28324852","display_name":"Imaging phantom","level":2,"score":0.7717409133911133},{"id":"https://openalex.org/C2779813781","wikidata":"https://www.wikidata.org/wiki/Q1224951","display_name":"Cone beam computed tomography","level":3,"score":0.7071008086204529},{"id":"https://openalex.org/C2779751349","wikidata":"https://www.wikidata.org/wiki/Q1474480","display_name":"Scanner","level":2,"score":0.6712855696678162},{"id":"https://openalex.org/C2989005","wikidata":"https://www.wikidata.org/wiki/Q214963","display_name":"Nuclear medicine","level":1,"score":0.6124207973480225},{"id":"https://openalex.org/C205372480","wikidata":"https://www.wikidata.org/wiki/Q210521","display_name":"Image resolution","level":2,"score":0.563471794128418},{"id":"https://openalex.org/C55020928","wikidata":"https://www.wikidata.org/wiki/Q3813865","display_name":"Image quality","level":3,"score":0.5444386005401611},{"id":"https://openalex.org/C35772409","wikidata":"https://www.wikidata.org/wiki/Q1323086","display_name":"Image noise","level":3,"score":0.46708059310913086},{"id":"https://openalex.org/C94898600","wikidata":"https://www.wikidata.org/wiki/Q241433","display_name":"Flat panel detector","level":3,"score":0.46059879660606384},{"id":"https://openalex.org/C3018399558","wikidata":"https://www.wikidata.org/wiki/Q1224951","display_name":"Cone beam ct","level":3,"score":0.4277452230453491},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.37933865189552307},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.3460959196090698},{"id":"https://openalex.org/C94915269","wikidata":"https://www.wikidata.org/wiki/Q1834857","display_name":"Detector","level":2,"score":0.32376211881637573},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.2901805341243744},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.22899243235588074},{"id":"https://openalex.org/C126838900","wikidata":"https://www.wikidata.org/wiki/Q77604","display_name":"Radiology","level":1,"score":0.19813916087150574},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.18499761819839478},{"id":"https://openalex.org/C544519230","wikidata":"https://www.wikidata.org/wiki/Q32566","display_name":"Computed tomography","level":2,"score":0.15888157486915588},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.07376617193222046}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1118/1.2240235","doi":"https://doi.org/10.1118/1.2240235","is_oa":false,"landing_page_url":"https://doi.org/10.1118/1.2240235","pdf_url":null,"source":{"id":"https://openalex.org/S95522064","display_name":"Medical Physics","issn_l":"0094-2405","issn":["0094-2405","1522-8541","2473-4209"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-c","doyens","jufo-1","ki-jl-1","medline","norway-1","poland-100","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Medical Physics","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Good health and well-being","score":0.8048999905586243,"id":"https://metadata.un.org/sdg/3"}],"sustainable_development_goals_aurora":[{"display_name":"Affordable and clean energy","score":0.6700000166893005,"id":"https://metadata.un.org/sdg/7"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2519230289","https://openalex.org/W4412387767","https://openalex.org/W4402907543","https://openalex.org/W7147541640","https://openalex.org/W2038120488","https://openalex.org/W3031352216","https://openalex.org/W2057050691","https://openalex.org/W4402909005","https://openalex.org/W4389145136","https://openalex.org/W1971554152"],"abstract_inverted_index":{"Purpose:":[0],"Cone":[1],"Beam":[2,46],"CT":[3,47],"(CBCT)":[4],"kilovoltage":[5],"imaging":[6,13,281],"devices":[7],"are":[8,212,224],"increasingly":[9],"available":[10],"for":[11,195,238],"daily":[12],"in":[14,215,241],"radiotherapy":[15],"departments.":[16],"Flat\u2010panel":[17],"based":[18,62],"CBCT":[19,60,85,101,113,124,140,163,200,217,265],"scanners":[20,61],"present":[21],"a":[22,71,84,93,118,277],"distinctive":[23],"set":[24],"of":[25,117,136,165,173,186,279],"artifacts":[26],"due":[27],"mostly":[28],"to":[29,43,53],"increased":[30,280],"scatter,":[31],"longer":[32],"data":[33],"acquisition":[34],"time":[35],"and":[36,59,66,74,79,108,114,128,139,151,156,160,168,175,210,229,256,266,273,283],"reduced":[37,284],"detector":[38,257],"quantum":[39,258],"efficiency":[40],"as":[41,70,89,91,205,207],"compared":[42],"helical":[44,98],"Fan":[45],"(FBCT)":[48],"systems.":[49],"Our":[50],"purpose":[51],"is":[52,193,202,233,244],"characterize":[54],"image":[55],"quality":[56],"from":[57],"FBCT":[58,69,94,115,138,239,267],"on":[63],"noise,":[64],"contrast":[65,120,155,190],"dose,":[67],"using":[68],"benchmark.":[72],"Method":[73],"Materials:":[75],"we":[76],"acquired":[77],"phantom":[78,167,230],"clinical":[80],"patient":[81,169,216,228],"images":[82,116,141,164,231,268],"with":[83,92,105,148],"Varian":[86],"On\u2010Board":[87],"Imager":[88],"well":[90,225],"Picker":[95],"PQ5000":[96],"single\u2010row":[97],"scanner.":[99],"The":[100],"scanner":[102],"was":[103,142,146],"equipped":[104],"antiscatter":[106],"grid":[107,181,254],"bowtie":[109],"filter.":[110],"By":[111],"comparing":[112],"high":[119],"resolution":[121,135],"insert,":[122],"the":[123,133,137,180,187,196,252],"reconstruction":[125],"voxel":[126],"size":[127],"filter":[129],"were":[130,158,170],"adjusted":[131],"until":[132],"spatial":[134,285],"approximately":[143],"matched.":[144],"Dose":[145],"measured":[147,253],"standard":[149],"CTDI":[150],"Farmer":[152],"chambers.":[153],"Noise,":[154],"SNR":[157],"evaluated":[159],"compared.":[161],"Results:":[162],"both":[166],"relatively":[171],"free":[172],"streaking":[174],"cupping":[176],"artifacts,":[177],"indicating":[178],"that":[179],"had":[182],"successfully":[183],"attenuated":[184],"most":[185],"scatter.":[188],"Low":[189],"detectability":[191],"threshold":[192],"similar":[194,271],"two":[197],"modalities,":[198],"when":[199],"dose":[201,282],"about":[203,234,245],"twice":[204],"large":[206],"FBCT.":[208],"Noise":[209],"non\u2010uniformities":[211],"more":[213],"prevalent":[214],"images,":[218],"but":[219],"pelvic":[220],"soft":[221],"tissue":[222],"structures":[223],"discernible.":[226],"For":[227],"Dose\u00d7SNR2":[232],"4":[235],"times":[236,247],"lower":[237],"than":[240,249],"CBCT,":[242],"which":[243],"1.5\u20132":[246],"larger":[248],"expected,":[250],"given":[251],"transmission":[255],"efficiency.":[259],"Conclusion:":[260],"In":[261],"this":[262],"study,":[263],"resolution\u2010matched":[264],"could":[269],"exhibit":[270],"SNRs":[272],"contrast\u2010to\u2010noise":[274],"ratios":[275],"through":[276],"combination":[278],"resolution.":[286]},"counts_by_year":[],"updated_date":"2026-10-30T12:39:25.321706","created_date":"2016-06-24T00:00:00"}