{"id":"https://openalex.org/W2090993485","doi":"https://doi.org/10.1117/12.2008244","title":"Computerized segmentation of ureters in CT urography (CTU) using COMPASS","display_name":"Computerized segmentation of ureters in CT urography (CTU) using COMPASS","publication_year":2013,"publication_date":"2013-03-29","ids":{"openalex":"https://openalex.org/W2090993485","doi":"https://doi.org/10.1117/12.2008244","mag":"2090993485"},"language":"en","primary_location":{"id":"doi:10.1117/12.2008244","is_oa":false,"landing_page_url":"https://doi.org/10.1117/12.2008244","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,"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"},"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/A5087281080","display_name":"Lubomir M. Hadjiiski","orcid":"https://orcid.org/0000-0003-2069-8066"},"institutions":[{"id":"https://openalex.org/I4210114445","display_name":"Michigan Medicine","ror":"https://ror.org/01zcpa714","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I4210114445"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Lubomir M. Hadjiiski","raw_affiliation_strings":["Univ. of Michigan Health System (United States)","University of Michigan Health System, United States"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Univ. of Michigan Health System (United States)","institution_ids":["https://openalex.org/I4210114445"]},{"raw_affiliation_string":"University of Michigan Health System, United States","institution_ids":["https://openalex.org/I4210114445"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5027247097","display_name":"Heang\u2010Ping Chan","orcid":"https://orcid.org/0000-0001-7777-9006"},"institutions":[{"id":"https://openalex.org/I4210114445","display_name":"Michigan Medicine","ror":"https://ror.org/01zcpa714","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I4210114445"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Heang-Ping Chan","raw_affiliation_strings":["University of Michigan Health System, United States"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Michigan Health System, United States","institution_ids":["https://openalex.org/I4210114445"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5007580251","display_name":"Luke Niland","orcid":null},"institutions":[{"id":"https://openalex.org/I4210114445","display_name":"Michigan Medicine","ror":"https://ror.org/01zcpa714","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I4210114445"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Luke Niland","raw_affiliation_strings":["Univ. of Michigan Health System (United States)","University of Michigan Health System, United States"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Univ. of Michigan Health System (United States)","institution_ids":["https://openalex.org/I4210114445"]},{"raw_affiliation_string":"University of Michigan Health System, United States","institution_ids":["https://openalex.org/I4210114445"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5068582788","display_name":"Richard H. Cohan","orcid":"https://orcid.org/0000-0003-3156-7037"},"institutions":[{"id":"https://openalex.org/I4210114445","display_name":"Michigan Medicine","ror":"https://ror.org/01zcpa714","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I4210114445"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Richard H. Cohan","raw_affiliation_strings":["Univ. of Michigan Health System (United States)","University of Michigan Health System, United States"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Univ. of Michigan Health System (United States)","institution_ids":["https://openalex.org/I4210114445"]},{"raw_affiliation_string":"University of Michigan Health System, United States","institution_ids":["https://openalex.org/I4210114445"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5022051736","display_name":"Elaine M. Caoili","orcid":"https://orcid.org/0000-0001-5303-8844"},"institutions":[{"id":"https://openalex.org/I4210114445","display_name":"Michigan Medicine","ror":"https://ror.org/01zcpa714","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I4210114445"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Elaine M. Caoili","raw_affiliation_strings":["Univ. of Michigan Health System (United States)","University of Michigan Health System, United States"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Univ. of Michigan Health System (United States)","institution_ids":["https://openalex.org/I4210114445"]},{"raw_affiliation_string":"University of Michigan Health System, United States","institution_ids":["https://openalex.org/I4210114445"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5089217781","display_name":"Chuan Zhou","orcid":"https://orcid.org/0000-0002-0609-1658"},"institutions":[{"id":"https://openalex.org/I4210114445","display_name":"Michigan Medicine","ror":"https://ror.org/01zcpa714","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I4210114445"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Chuan Zhou","raw_affiliation_strings":["Univ. of Michigan Health System (United States)","University of Michigan Health System, United States"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Univ. of Michigan Health System (United States)","institution_ids":["https://openalex.org/I4210114445"]},{"raw_affiliation_string":"University of Michigan Health System, United States","institution_ids":["https://openalex.org/I4210114445"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100669000","display_name":"Jun Wei","orcid":"https://orcid.org/0000-0003-3633-7150"},"institutions":[{"id":"https://openalex.org/I4210114445","display_name":"Michigan Medicine","ror":"https://ror.org/01zcpa714","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I4210114445"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Jun Wei","raw_affiliation_strings":["Univ. of Michigan Health System (United States)","University of Michigan Health System, United States"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Univ. of Michigan Health System (United States)","institution_ids":["https://openalex.org/I4210114445"]},{"raw_affiliation_string":"University of Michigan Health System, United States","institution_ids":["https://openalex.org/I4210114445"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":7,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.2937,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.63693746,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":"8670","issue":null,"first_page":"86703B","last_page":"86703B"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11815","display_name":"Urological Disorders and Treatments","score":0.9873999953269958,"subfield":{"id":"https://openalex.org/subfields/2748","display_name":"Urology"},"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/T11815","display_name":"Urological Disorders and Treatments","score":0.9873999953269958,"subfield":{"id":"https://openalex.org/subfields/2748","display_name":"Urology"},"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/T12067","display_name":"Renal and Vascular Pathologies","score":0.9868999719619751,"subfield":{"id":"https://openalex.org/subfields/2740","display_name":"Pulmonary and Respiratory Medicine"},"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/T12634","display_name":"Ureteral procedures and complications","score":0.9822999835014343,"subfield":{"id":"https://openalex.org/subfields/2729","display_name":"Obstetrics and Gynecology"},"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/segmentation","display_name":"Segmentation","score":0.740013062953949},{"id":"https://openalex.org/keywords/ureter","display_name":"Ureter","score":0.687970757484436},{"id":"https://openalex.org/keywords/feature","display_name":"Feature (linguistics)","score":0.49677950143814087},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.4777887761592865},{"id":"https://openalex.org/keywords/region-growing","display_name":"Region growing","score":0.4540678858757019},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.4196017384529114},{"id":"https://openalex.org/keywords/compass","display_name":"Compass","score":0.41426464915275574},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.39854979515075684},{"id":"https://openalex.org/keywords/medicine","display_name":"Medicine","score":0.39831069111824036},{"id":"https://openalex.org/keywords/nuclear-medicine","display_name":"Nuclear medicine","score":0.37629473209381104},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.35549670457839966},{"id":"https://openalex.org/keywords/anatomy","display_name":"Anatomy","score":0.345703661441803},{"id":"https://openalex.org/keywords/radiology","display_name":"Radiology","score":0.329551637172699},{"id":"https://openalex.org/keywords/image-segmentation","display_name":"Image segmentation","score":0.27742117643356323},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.15399715304374695},{"id":"https://openalex.org/keywords/urology","display_name":"Urology","score":0.13292399048805237},{"id":"https://openalex.org/keywords/scale-space-segmentation","display_name":"Scale-space segmentation","score":0.08021119236946106}],"concepts":[{"id":"https://openalex.org/C89600930","wikidata":"https://www.wikidata.org/wiki/Q1423946","display_name":"Segmentation","level":2,"score":0.740013062953949},{"id":"https://openalex.org/C2776664737","wikidata":"https://www.wikidata.org/wiki/Q9385","display_name":"Ureter","level":2,"score":0.687970757484436},{"id":"https://openalex.org/C2776401178","wikidata":"https://www.wikidata.org/wiki/Q12050496","display_name":"Feature (linguistics)","level":2,"score":0.49677950143814087},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.4777887761592865},{"id":"https://openalex.org/C206824153","wikidata":"https://www.wikidata.org/wiki/Q1169834","display_name":"Region growing","level":5,"score":0.4540678858757019},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.4196017384529114},{"id":"https://openalex.org/C2778361833","wikidata":"https://www.wikidata.org/wiki/Q34735","display_name":"Compass","level":2,"score":0.41426464915275574},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.39854979515075684},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.39831069111824036},{"id":"https://openalex.org/C2989005","wikidata":"https://www.wikidata.org/wiki/Q214963","display_name":"Nuclear medicine","level":1,"score":0.37629473209381104},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.35549670457839966},{"id":"https://openalex.org/C105702510","wikidata":"https://www.wikidata.org/wiki/Q514","display_name":"Anatomy","level":1,"score":0.345703661441803},{"id":"https://openalex.org/C126838900","wikidata":"https://www.wikidata.org/wiki/Q77604","display_name":"Radiology","level":1,"score":0.329551637172699},{"id":"https://openalex.org/C124504099","wikidata":"https://www.wikidata.org/wiki/Q56933","display_name":"Image segmentation","level":3,"score":0.27742117643356323},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.15399715304374695},{"id":"https://openalex.org/C126894567","wikidata":"https://www.wikidata.org/wiki/Q105650","display_name":"Urology","level":1,"score":0.13292399048805237},{"id":"https://openalex.org/C65885262","wikidata":"https://www.wikidata.org/wiki/Q7429708","display_name":"Scale-space segmentation","level":4,"score":0.08021119236946106},{"id":"https://openalex.org/C41895202","wikidata":"https://www.wikidata.org/wiki/Q8162","display_name":"Linguistics","level":1,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1117/12.2008244","is_oa":false,"landing_page_url":"https://doi.org/10.1117/12.2008244","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,"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":[{"id":"https://metadata.un.org/sdg/3","score":0.5799999833106995,"display_name":"Good health and well-being"}],"awards":[],"funders":[{"id":"https://openalex.org/F4320332505","display_name":"U.S. Public Health Service","ror":"https://ror.org/05xf94514"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2206872286","https://openalex.org/W2382913035","https://openalex.org/W2113447385","https://openalex.org/W2391335452","https://openalex.org/W2360876323","https://openalex.org/W2122695655","https://openalex.org/W2109954054","https://openalex.org/W1986655823","https://openalex.org/W2802429800","https://openalex.org/W2956120392"],"abstract_inverted_index":{"We":[0,40],"are":[1,156],"developing":[2],"a":[3,14,42],"computerized":[4],"system":[5],"for":[6,17,25,131,185],"automated":[7],"segmentation":[8,27,155,167],"of":[9,20,31,59,111,133,161,176,206,237,263],"ureters":[10,54,113,136,163,224],"on":[11,87],"CTU,":[12],"as":[13,142],"critical":[15],"component":[16],"computer-aided":[18],"diagnosis":[19],"ureter":[21,26,99,122,251,256],"cancer.":[22],"A":[23,128],"challenge":[24],"is":[28],"the":[29,53,98,112,134,146,150,162,174,177,189,219,250,261,264],"presence":[30],"regions":[32,254],"not":[33],"well":[34],"opacified":[35],"with":[36,83],"intravenous":[37],"(IV)":[38],"contrast.":[39],"propose":[41],"COmbined":[43],"Model-guided":[44],"Path-finding":[45],"Analysis":[46],"and":[47,65,72,75,78,119,154,183,209,240,260],"Segmentation":[48],"System":[49],"(COMPASS)":[50],"to":[51,105,126,145,148],"track":[52],"in":[55,164],"CTU.":[56,165],"COMPASS":[57,248],"consists":[58],"three":[60],"stages:":[61],"(1)":[62],"adaptive":[63],"thresholding":[64],"region":[66],"growing,":[67],"(2)":[68],"edge":[69],"profile":[70],"extraction":[71],"feature":[73],"analysis,":[74],"(3)":[76],"path-finding":[77,153],"propagation.":[79],"114":[80,135,190],"ureters,":[81,191],"filled":[82],"IV":[84],"contrast":[85],"material,":[86],"74":[88,92],"CTU":[89],"scans":[90],"from":[91],"patients":[93],"were":[94,194,200,212,225,231,243],"segmented.":[95],"On":[96],"average":[97],"occupied":[100],"286":[101],"CT":[102],"slices":[103],"(range:164":[104],"399,":[106],"median:301).":[107],"More":[108],"than":[109],"half":[110],"contained":[114],"malignant":[115],"or":[116],"benign":[117],"lesions":[118],"some":[120],"had":[121],"wall":[123,258],"thickening":[124,259],"due":[125],"malignancy.":[127],"starting":[129],"point":[130],"each":[132,186],"was":[137,169,180],"selected":[138],"manually,":[139],"which":[140],"served":[141],"an":[143],"input":[144],"COMPASS,":[147],"initialize":[149],"tracking.":[151],"The":[152,166],"guided":[157],"by":[158,172],"anatomical":[159],"knowledge":[160],"performance":[168],"quantitatively":[170],"assessed":[171],"estimating":[173],"percentage":[175],"length":[178],"that":[179],"successfully":[181],"tracked":[182],"segmented":[184,195,201,213,226,232,244],"ureter.":[187],"Of":[188],"75":[192],"(66%)":[193],"completely":[196,227],"(100%),":[197,228],"99":[198],"(87%)":[199],"through":[202,233],"at":[203,214,234,245],"least":[204,215,235,246],"70%":[205,236],"its":[207,238],"length,":[208,239],"104":[210],"(91%)":[211],"50%.":[216,247],"Previously,":[217],"without":[218],"model-guided":[220],"approach,":[221],"61":[222],"(54%)":[223],"80":[229],"(70%)":[230],"96":[241],"(84%)":[242],"improved":[249],"tracking,":[252],"including":[253],"across":[255],"lesions,":[257],"narrowing":[262],"lumen.":[265]},"counts_by_year":[{"year":2014,"cited_by_count":1}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}