{"id":"https://openalex.org/W2792555074","doi":"https://doi.org/10.1117/12.2294588","title":"Can a 3D task transfer function accurately represent the signal transfer properties of low-contrast lesions in non-linear CT systems?","display_name":"Can a 3D task transfer function accurately represent the signal transfer properties of low-contrast lesions in non-linear CT systems?","publication_year":2018,"publication_date":"2018-03-09","ids":{"openalex":"https://openalex.org/W2792555074","doi":"https://doi.org/10.1117/12.2294588","mag":"2792555074"},"language":"en","primary_location":{"id":"doi:10.1117/12.2294588","doi":"https://doi.org/10.1117/12.2294588","is_oa":false,"landing_page_url":"https://doi.org/10.1117/12.2294588","pdf_url":null,"source":{"id":"https://openalex.org/S4363606018","display_name":"SPIE Medical Imaging: Physics of Medical Imaging","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"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":"Medical Imaging 2018: Physics of Medical Imaging","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/A5023811620","display_name":"Marthony L. Robins","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I170897317","display_name":"Duke University","ror":"https://ror.org/00py81415","country_code":"US","type":"education","lineage":["https://openalex.org/I170897317"]},{"id":"https://openalex.org/I4210126298","display_name":"Duke Medical Center","ror":"https://ror.org/03njmea73","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I4210126298","https://openalex.org/I4210144876"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Marthony Robins","raw_affiliation_strings":["Carl E. Ravin Advanced Imaging Labs., Duke Univ. (United States)","Duke Univ. Medical Ctr. (United States)"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Carl E. Ravin Advanced Imaging Labs., Duke Univ. (United States)","institution_ids":["https://openalex.org/I170897317"]},{"raw_affiliation_string":"Duke Univ. Medical Ctr. (United States)","institution_ids":["https://openalex.org/I170897317","https://openalex.org/I4210126298"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5057087875","display_name":"Justin Solomon","orcid":"https://orcid.org/0000-0002-5884-2476","observed_orcids":["https://orcid.org/0000-0002-5884-2476"]},"institutions":[{"id":"https://openalex.org/I170897317","display_name":"Duke University","ror":"https://ror.org/00py81415","country_code":"US","type":"education","lineage":["https://openalex.org/I170897317"]},{"id":"https://openalex.org/I4210126298","display_name":"Duke Medical Center","ror":"https://ror.org/03njmea73","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I4210126298","https://openalex.org/I4210144876"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Justin B. Solomon","raw_affiliation_strings":["Carl E. Ravin Advanced Imaging Labs., Duke Univ. (United States)","Duke Univ. Medical Ctr. (United States)"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Carl E. Ravin Advanced Imaging Labs., Duke Univ. (United States)","institution_ids":["https://openalex.org/I170897317"]},{"raw_affiliation_string":"Duke Univ. Medical Ctr. (United States)","institution_ids":["https://openalex.org/I170897317","https://openalex.org/I4210126298"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5021555712","display_name":"Ehsan Samei","orcid":"https://orcid.org/0000-0001-7451-3309","observed_orcids":["https://orcid.org/0000-0001-7451-3309"]},"institutions":[{"id":"https://openalex.org/I170897317","display_name":"Duke University","ror":"https://ror.org/00py81415","country_code":"US","type":"education","lineage":["https://openalex.org/I170897317"]},{"id":"https://openalex.org/I4210126298","display_name":"Duke Medical Center","ror":"https://ror.org/03njmea73","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I4210126298","https://openalex.org/I4210144876"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Ehsan Samei","raw_affiliation_strings":["Carl E. Ravin Advanced Imaging Labs., Duke Univ. (United States)","Duke Univ. Medical Ctr. (United States)"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Carl E. Ravin Advanced Imaging Labs., Duke Univ. (United States)","institution_ids":["https://openalex.org/I170897317"]},{"raw_affiliation_string":"Duke Univ. Medical Ctr. (United States)","institution_ids":["https://openalex.org/I170897317","https://openalex.org/I4210126298"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":2.1765,"has_fulltext":false,"cited_by_count":5,"citation_normalized_percentile":{"value":0.84847431,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":96},"biblio":{"volume":null,"issue":null,"first_page":"148","last_page":"148"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12386","display_name":"Advanced X-ray and CT Imaging","score":0.5810999870300293,"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"}},"topics":[{"id":"https://openalex.org/T12386","display_name":"Advanced X-ray and CT Imaging","score":0.5810999870300293,"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"}},{"id":"https://openalex.org/T10844","display_name":"Radiation Dose and Imaging","score":0.2720000147819519,"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/T10522","display_name":"Medical Imaging Techniques and Applications","score":0.09570000320672989,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/signal-transfer","display_name":"signal transfer","score":0.5649999976158142},{"id":"https://openalex.org/keywords/3d-printed-phantom","display_name":"3D-printed phantom","score":0.7360000014305115},{"id":"https://openalex.org/keywords/liver-lesions","display_name":"liver lesions","score":0.7689999938011169},{"id":"https://openalex.org/keywords/ct-radiation-dose","display_name":"CT radiation dose","score":0.4749999940395355},{"id":"https://openalex.org/keywords/lesion-segmentation","display_name":"lesion segmentation","score":0.43799999356269836},{"id":"https://openalex.org/keywords/jaccard-similarity","display_name":"Jaccard similarity","score":0.6129999756813049},{"id":"https://openalex.org/keywords/anthropomorphic-phantom","display_name":"anthropomorphic phantom","score":0.4690000116825104}],"concepts":[{"id":"https://openalex.org/C104293457","wikidata":"https://www.wikidata.org/wiki/Q28324852","display_name":"Imaging phantom","level":2,"score":0.8456810116767883},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.6055706143379211},{"id":"https://openalex.org/C2779751349","wikidata":"https://www.wikidata.org/wiki/Q1474480","display_name":"Scanner","level":2,"score":0.5320932269096375},{"id":"https://openalex.org/C136229726","wikidata":"https://www.wikidata.org/wiki/Q327092","display_name":"Biomedical engineering","level":1,"score":0.4913744032382965},{"id":"https://openalex.org/C175231954","wikidata":"https://www.wikidata.org/wiki/Q1942321","display_name":"Optical transfer function","level":2,"score":0.47490039467811584},{"id":"https://openalex.org/C89600930","wikidata":"https://www.wikidata.org/wiki/Q1423946","display_name":"Segmentation","level":2,"score":0.41893231868743896},{"id":"https://openalex.org/C2776502983","wikidata":"https://www.wikidata.org/wiki/Q690182","display_name":"Contrast (vision)","level":2,"score":0.4117595851421356},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.3891184628009796},{"id":"https://openalex.org/C2989005","wikidata":"https://www.wikidata.org/wiki/Q214963","display_name":"Nuclear medicine","level":1,"score":0.346718430519104},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.26674044132232666},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.24188369512557983},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.23022443056106567},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.1255527138710022}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1117/12.2294588","doi":"https://doi.org/10.1117/12.2294588","is_oa":false,"landing_page_url":"https://doi.org/10.1117/12.2294588","pdf_url":null,"source":{"id":"https://openalex.org/S4363606018","display_name":"SPIE Medical Imaging: Physics of Medical Imaging","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"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":"Medical Imaging 2018: Physics of Medical Imaging","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"sustainable_development_goals_aurora":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":11,"referenced_works":["https://openalex.org/W1561400242","https://openalex.org/W1601976844","https://openalex.org/W1971315539","https://openalex.org/W1975265909","https://openalex.org/W1986970768","https://openalex.org/W2050351309","https://openalex.org/W2080670671","https://openalex.org/W2140952300","https://openalex.org/W2325602260","https://openalex.org/W2742171954","https://openalex.org/W6700957953"],"related_works":["https://openalex.org/W4232857084","https://openalex.org/W2417440389","https://openalex.org/W4245233074","https://openalex.org/W2167384162","https://openalex.org/W4244157427","https://openalex.org/W2001485867","https://openalex.org/W2734382758","https://openalex.org/W4385556839","https://openalex.org/W4402492658","https://openalex.org/W4390678560"],"abstract_inverted_index":{"The":[0,63,204],"purpose":[1],"of":[2,19,137,198,222,244,262,265,268,280],"this":[3],"study":[4],"was":[5,39,65,177,187,214,233],"to":[6,237],"investigate":[7],"how":[8],"accurately":[9],"the":[10,15,191,195,218,223,231,276],"task-transfer":[11],"function":[12],"(TTF)":[13],"models":[14,275],"signal":[16,277],"transfer":[17,278],"properties":[18,279],"low-contrast":[20,124,287],"features":[21],"in":[22,239],"a":[23,68,80,129,151,180],"non-linear":[24,283],"CT":[25,75,82,284],"system.":[26],"A":[27],"cylindrical":[28],"phantom":[29,64,148],"containing":[30],"24":[31],"anthropomorphic":[32],"liver":[33],"lesions":[34,138,171,213],"(modeled":[35],"from":[36],"patient":[37],"lesions)":[38],"designed":[40],"using":[41,101,123,150,179],"computer-aided":[42],"design":[43],"software":[44,183],"(Rhinoceros":[45],"3D).":[46],"Lesions":[47],"had":[48],"irregular":[49],"shapes,":[50],"2":[51,57,102,108],"sizes":[52],"(523,":[53],"2145":[54],"mm3),":[55],"and":[56,99,107,114,128,143,161,168,201,211,228,241,250,282],"contrast":[58],"levels":[59,89],"(80,":[60],"100":[61],"HU).":[62],"printed":[66,133,166],"with":[67,256],"state-of-the-art":[69],"multimaterial":[70],"3D":[71,165],"printer":[72],"(Stratasys":[73],"J750).":[74],"images":[76,149],"were":[77,117,139,254],"acquired":[78],"on":[79],"clinical":[81],"scanner":[83],"(Siemens":[84],"Flash)":[85],"at":[86],"4":[87],"dose":[88],"(CTDIVol,":[90],"32":[91],"cm":[92],"phantom:":[93],"1.5,":[94],"3,":[95],"6,":[96],"22":[97],"mGy)":[98],"reconstructed":[100],"FBP":[103],"kernels":[104,110],"(B31f,":[105],"B45f)":[106],"iterative":[109],"(SAFIRE,":[111],"strength-2:":[112],"I31f,":[113],"I44f).":[115],"3D-TTFs":[116,142,273],"estimated":[118],"by":[119,141,189],"combining":[120],"TTFs":[121],"measured":[122],"rod":[125],"inserts":[126],"(in-plane)":[127],"slanted":[130],"edge":[131],"(z-direction)":[132],"in-phantom.":[134],"CAD":[135],"versions":[136],"blurred":[140],"virtually":[144],"superimposed":[145],"into":[146],"corresponding":[147],"previously":[152],"validated":[153],"technique.":[154],"We":[155],"compared":[156],"lesion":[157,252],"morphometry":[158],"(i.e.,":[159],"size":[160,176],"shape)":[162],"measurements":[163],"between":[164,194,209],"\u201cphysical\u201d":[167],"TTF-blurred":[169],"\u201csimulated\u201d":[170],"across":[172],"multiple":[173],"acquisitions.":[174],"Lesion":[175,185],"quantified":[178,188],"commercial":[181],"segmentation":[182],"(Syngo.via).":[184],"shape":[186],"measuring":[190],"Jaccard":[192,260],"index":[193,261],"segmented":[196],"masks":[197],"paired":[199],"physical":[200,210,224,251],"simulated":[202,212],"lesions.":[203,225],"relative":[205],"volume":[206],"difference":[207],"D":[208],"mostly":[215],"less":[216],"than":[217],"natural":[219],"variability":[220],"COV":[221],"For":[226],"large":[227],"small":[229],"lesions,":[230],"COV1,\ud835\udc58,\ud835\udc59":[232],"greater":[234],"or":[235],"similar":[236],"D\ud835\udc58,\ud835\udc59":[238],"12":[240],"13":[242],"out":[243],"16":[245],"imaging":[246],"scenarios,":[247],"respectively.":[248],"Simulated":[249],"shapes":[253],"similar,":[255],"an":[257],"average":[258],"simulated-physical":[259],"0.70":[263],"(out":[264],"max":[266],"value":[267],"unity).":[269],"These":[270],"results":[271],"suggest":[272],"closely":[274],"linear":[281],"conditions":[285],"for":[286],"objects.":[288]},"counts_by_year":[{"year":2022,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":2},{"year":2018,"cited_by_count":1}],"updated_date":"2026-10-16T09:59:22.235173","created_date":"2025-10-10T00:00:00"}
