{"id":"https://openalex.org/W7160243976","doi":"https://doi.org/10.1093/jcde/qwag045","title":"3D pose estimation of epidural catheter markers based on a single-view 2D X-ray fluoroscopy","display_name":"3D pose estimation of epidural catheter markers based on a single-view 2D X-ray fluoroscopy","publication_year":2026,"publication_date":"2026-05-02","ids":{"openalex":"https://openalex.org/W7160243976","doi":"https://doi.org/10.1093/jcde/qwag045"},"language":"en","primary_location":{"id":"doi:10.1093/jcde/qwag045","is_oa":true,"landing_page_url":"https://doi.org/10.1093/jcde/qwag045","pdf_url":null,"source":{"id":"https://openalex.org/S2485147958","display_name":"Journal of Computational Design and Engineering","issn_l":"2288-4300","issn":["2288-4300","2288-5048"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310311648","host_organization_name":"Oxford University Press","host_organization_lineage":["https://openalex.org/P4310311648","https://openalex.org/P4310311647"],"host_organization_lineage_names":["Oxford University Press","University of Oxford"],"type":"journal"},"license":"cc-by-nc","license_id":"https://openalex.org/licenses/cc-by-nc","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Computational Design and Engineering","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://doi.org/10.1093/jcde/qwag045","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5057917356","display_name":"Jegyeong Ryu","orcid":"https://orcid.org/0009-0004-9918-8679"},"institutions":[{"id":"https://openalex.org/I139264467","display_name":"Seoul National University","ror":"https://ror.org/04h9pn542","country_code":"KR","type":"education","lineage":["https://openalex.org/I139264467"]},{"id":"https://openalex.org/I58716616","display_name":"Korea Institute of Science and Technology","ror":"https://ror.org/05kzfa883","country_code":"KR","type":"facility","lineage":["https://openalex.org/I27494661","https://openalex.org/I2801339556","https://openalex.org/I2801339556","https://openalex.org/I4210144908","https://openalex.org/I4387152098","https://openalex.org/I4387152098","https://openalex.org/I58716616"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Jegyeong Ryu","raw_affiliation_strings":["Center for Bionics, Korea Institute of Science and Technology , Seoul 02792 ,","Department of Mechanical Engineering, Seoul National University , Seoul 08826 ,"],"raw_orcid":"https://orcid.org/0009-0004-9918-8679","affiliations":[{"raw_affiliation_string":"Center for Bionics, Korea Institute of Science and Technology , Seoul 02792 ,","institution_ids":["https://openalex.org/I58716616"]},{"raw_affiliation_string":"Department of Mechanical Engineering, Seoul National University , Seoul 08826 ,","institution_ids":["https://openalex.org/I139264467"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5048358001","display_name":"Jae Chul Koh","orcid":"https://orcid.org/0000-0002-1625-8650"},"institutions":[{"id":"https://openalex.org/I4210161052","display_name":"Korea University","ror":"https://ror.org/05m1gnk07","country_code":"JP","type":"education","lineage":["https://openalex.org/I4210161052"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Jae Chul Koh","raw_affiliation_strings":["Department of Anesthesiology and Pain Medicine, Korea University College of Medicine , Seoul 02841 ,"],"raw_orcid":"https://orcid.org/0000-0002-1625-8650","affiliations":[{"raw_affiliation_string":"Department of Anesthesiology and Pain Medicine, Korea University College of Medicine , Seoul 02841 ,","institution_ids":["https://openalex.org/I4210161052"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5044337518","display_name":"Amy Kyungwon Han","orcid":"https://orcid.org/0000-0001-9260-8619"},"institutions":[{"id":"https://openalex.org/I139264467","display_name":"Seoul National University","ror":"https://ror.org/04h9pn542","country_code":"KR","type":"education","lineage":["https://openalex.org/I139264467"]}],"countries":["KR"],"is_corresponding":true,"raw_author_name":"Amy Kyungwon Han","raw_affiliation_strings":["Department of Mechanical Engineering, Seoul National University , Seoul 08826 ,","Institute of Advanced Machines and Design, Seoul National University , Seoul 08826 ,"],"raw_orcid":"https://orcid.org/0000-0001-9260-8619","affiliations":[{"raw_affiliation_string":"Department of Mechanical Engineering, Seoul National University , Seoul 08826 ,","institution_ids":["https://openalex.org/I139264467"]},{"raw_affiliation_string":"Institute of Advanced Machines and Design, Seoul National University , Seoul 08826 ,","institution_ids":["https://openalex.org/I139264467"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5030942625","display_name":"Deukhee Lee","orcid":"https://orcid.org/0000-0001-7340-897X"},"institutions":[{"id":"https://openalex.org/I193775966","display_name":"Yonsei University","ror":"https://ror.org/01wjejq96","country_code":"KR","type":"education","lineage":["https://openalex.org/I193775966"]},{"id":"https://openalex.org/I4210116723","display_name":"Robotics Research (United States)","ror":"https://ror.org/020w2fr77","country_code":"US","type":"company","lineage":["https://openalex.org/I4210116723"]},{"id":"https://openalex.org/I58716616","display_name":"Korea Institute of Science and Technology","ror":"https://ror.org/05kzfa883","country_code":"KR","type":"facility","lineage":["https://openalex.org/I27494661","https://openalex.org/I2801339556","https://openalex.org/I2801339556","https://openalex.org/I4210144908","https://openalex.org/I4387152098","https://openalex.org/I4387152098","https://openalex.org/I58716616"]}],"countries":["KR","US"],"is_corresponding":true,"raw_author_name":"Deukhee Lee","raw_affiliation_strings":["Center for Bionics, Korea Institute of Science and Technology , Seoul 02792 ,","Division of AI Robotics, KIST School, University of Science and Technology , Seoul 02792 ,","Yonsei-KIST Convergence Research Institute, Yonsei University , Seoul 03722 ,"],"raw_orcid":"https://orcid.org/0000-0001-8426-9725","affiliations":[{"raw_affiliation_string":"Center for Bionics, Korea Institute of Science and Technology , Seoul 02792 ,","institution_ids":["https://openalex.org/I58716616"]},{"raw_affiliation_string":"Division of AI Robotics, KIST School, University of Science and Technology , Seoul 02792 ,","institution_ids":["https://openalex.org/I4210116723"]},{"raw_affiliation_string":"Yonsei-KIST Convergence Research Institute, Yonsei University , Seoul 03722 ,","institution_ids":["https://openalex.org/I193775966"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5030942625","https://openalex.org/A5044337518"],"corresponding_institution_ids":["https://openalex.org/I139264467","https://openalex.org/I193775966","https://openalex.org/I4210116723","https://openalex.org/I58716616"],"apc_list":{"value":1650,"currency":"USD","value_usd":1650},"apc_paid":{"value":1650,"currency":"USD","value_usd":1650},"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.56976153,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"13","issue":"6","first_page":"99","last_page":"122"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10916","display_name":"Surgical Simulation and Training","score":0.21879999339580536,"subfield":{"id":"https://openalex.org/subfields/2746","display_name":"Surgery"},"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/T10916","display_name":"Surgical Simulation and Training","score":0.21879999339580536,"subfield":{"id":"https://openalex.org/subfields/2746","display_name":"Surgery"},"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/T10868","display_name":"Soft Robotics and Applications","score":0.20669999718666077,"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/T10888","display_name":"Augmented Reality Applications","score":0.1459999978542328,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"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/fluoroscopy","display_name":"Fluoroscopy","score":0.7085000276565552},{"id":"https://openalex.org/keywords/pose","display_name":"Pose","score":0.5831000208854675},{"id":"https://openalex.org/keywords/visualization","display_name":"Visualization","score":0.5374000072479248},{"id":"https://openalex.org/keywords/3d-ultrasound","display_name":"3D ultrasound","score":0.5217000246047974},{"id":"https://openalex.org/keywords/segmentation","display_name":"Segmentation","score":0.475600004196167},{"id":"https://openalex.org/keywords/calibration","display_name":"Calibration","score":0.44780001044273376},{"id":"https://openalex.org/keywords/tracking","display_name":"Tracking (education)","score":0.4368000030517578},{"id":"https://openalex.org/keywords/catheter","display_name":"Catheter","score":0.3865000009536743}],"concepts":[{"id":"https://openalex.org/C2776805002","wikidata":"https://www.wikidata.org/wiki/Q614984","display_name":"Fluoroscopy","level":2,"score":0.7085000276565552},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6389999985694885},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.6171000003814697},{"id":"https://openalex.org/C52102323","wikidata":"https://www.wikidata.org/wiki/Q1671968","display_name":"Pose","level":2,"score":0.5831000208854675},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5565999746322632},{"id":"https://openalex.org/C36464697","wikidata":"https://www.wikidata.org/wiki/Q451553","display_name":"Visualization","level":2,"score":0.5374000072479248},{"id":"https://openalex.org/C2780170424","wikidata":"https://www.wikidata.org/wiki/Q229399","display_name":"3D ultrasound","level":3,"score":0.5217000246047974},{"id":"https://openalex.org/C89600930","wikidata":"https://www.wikidata.org/wiki/Q1423946","display_name":"Segmentation","level":2,"score":0.475600004196167},{"id":"https://openalex.org/C165838908","wikidata":"https://www.wikidata.org/wiki/Q736777","display_name":"Calibration","level":2,"score":0.44780001044273376},{"id":"https://openalex.org/C2775936607","wikidata":"https://www.wikidata.org/wiki/Q466845","display_name":"Tracking (education)","level":2,"score":0.4368000030517578},{"id":"https://openalex.org/C2781267111","wikidata":"https://www.wikidata.org/wiki/Q652297","display_name":"Catheter","level":2,"score":0.3865000009536743},{"id":"https://openalex.org/C124504099","wikidata":"https://www.wikidata.org/wiki/Q56933","display_name":"Image segmentation","level":3,"score":0.31859999895095825},{"id":"https://openalex.org/C36613465","wikidata":"https://www.wikidata.org/wiki/Q4636322","display_name":"3D pose estimation","level":3,"score":0.30239999294281006},{"id":"https://openalex.org/C126838900","wikidata":"https://www.wikidata.org/wiki/Q77604","display_name":"Radiology","level":1,"score":0.28949999809265137},{"id":"https://openalex.org/C2779925993","wikidata":"https://www.wikidata.org/wiki/Q336938","display_name":"Radiation exposure","level":2,"score":0.28290000557899475},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.27810001373291016},{"id":"https://openalex.org/C177148314","wikidata":"https://www.wikidata.org/wiki/Q170084","display_name":"Generalization","level":2,"score":0.2630999982357025},{"id":"https://openalex.org/C28704281","wikidata":"https://www.wikidata.org/wiki/Q180165","display_name":"Mechatronics","level":2,"score":0.26089999079704285},{"id":"https://openalex.org/C2778181360","wikidata":"https://www.wikidata.org/wiki/Q1074814","display_name":"Surgical instrument","level":2,"score":0.25949999690055847},{"id":"https://openalex.org/C143753070","wikidata":"https://www.wikidata.org/wiki/Q162564","display_name":"Ultrasound","level":2,"score":0.2583000063896179},{"id":"https://openalex.org/C208081375","wikidata":"https://www.wikidata.org/wiki/Q274502","display_name":"Degrees of freedom (physics and chemistry)","level":2,"score":0.2531999945640564},{"id":"https://openalex.org/C154586513","wikidata":"https://www.wikidata.org/wiki/Q4420972","display_name":"Tracking system","level":3,"score":0.2529999911785126},{"id":"https://openalex.org/C136229726","wikidata":"https://www.wikidata.org/wiki/Q327092","display_name":"Biomedical engineering","level":1,"score":0.25040000677108765}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1093/jcde/qwag045","is_oa":true,"landing_page_url":"https://doi.org/10.1093/jcde/qwag045","pdf_url":null,"source":{"id":"https://openalex.org/S2485147958","display_name":"Journal of Computational Design and Engineering","issn_l":"2288-4300","issn":["2288-4300","2288-5048"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310311648","host_organization_name":"Oxford University Press","host_organization_lineage":["https://openalex.org/P4310311648","https://openalex.org/P4310311647"],"host_organization_lineage_names":["Oxford University Press","University of Oxford"],"type":"journal"},"license":"cc-by-nc","license_id":"https://openalex.org/licenses/cc-by-nc","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Computational Design and Engineering","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.1093/jcde/qwag045","is_oa":true,"landing_page_url":"https://doi.org/10.1093/jcde/qwag045","pdf_url":null,"source":{"id":"https://openalex.org/S2485147958","display_name":"Journal of Computational Design and Engineering","issn_l":"2288-4300","issn":["2288-4300","2288-5048"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310311648","host_organization_name":"Oxford University Press","host_organization_lineage":["https://openalex.org/P4310311648","https://openalex.org/P4310311647"],"host_organization_lineage_names":["Oxford University Press","University of Oxford"],"type":"journal"},"license":"cc-by-nc","license_id":"https://openalex.org/licenses/cc-by-nc","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Computational Design and Engineering","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320322120","display_name":"National Research Foundation of Korea","ror":"https://ror.org/013aysd81"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":28,"referenced_works":["https://openalex.org/W1550555628","https://openalex.org/W1991847332","https://openalex.org/W2037290941","https://openalex.org/W2039354005","https://openalex.org/W2055159927","https://openalex.org/W2073211440","https://openalex.org/W2124292741","https://openalex.org/W2184540010","https://openalex.org/W2295102702","https://openalex.org/W2517878411","https://openalex.org/W2888423422","https://openalex.org/W3005016499","https://openalex.org/W3082079609","https://openalex.org/W3204351886","https://openalex.org/W4206479908","https://openalex.org/W4206769964","https://openalex.org/W4281485946","https://openalex.org/W4286512880","https://openalex.org/W4289241421","https://openalex.org/W4289260767","https://openalex.org/W4290987227","https://openalex.org/W4292641185","https://openalex.org/W4313892599","https://openalex.org/W4322758466","https://openalex.org/W4353029687","https://openalex.org/W4399476414","https://openalex.org/W4414346834","https://openalex.org/W4416352850"],"related_works":[],"abstract_inverted_index":{"Abstract":[0],"Minimal":[1],"invasive":[2],"surgery":[3],"requires":[4],"precise":[5,165],"control":[6],"of":[7,22,27,122,202],"flexible":[8,28],"instruments":[9],"to":[10,64,99,116],"ensure":[11],"safe":[12],"and":[13,48,61,66,161,164,184,212],"accurate":[14],"procedures":[15],"within":[16],"complex":[17],"anatomical":[18],"structures.":[19],"Accurate":[20],"estimation":[21],"the":[23,119,145,196,200],"three-dimensional":[24],"(3D)":[25],"pose":[26,121],"surgical":[29],"tools":[30],"such":[31],"as":[32],"catheters":[33,79],"is":[34],"therefore":[35],"crucial.":[36],"While":[37],"various":[38],"sensing-based":[39],"approaches,":[40],"including":[41],"fiber":[42],"Bragg":[43],"grating":[44],"sensors,":[45],"electromagnetic":[46],"tracking,":[47],"ultrasound":[49],"localization,":[50],"have":[51],"been":[52],"explored,":[53],"these":[54],"methods":[55,90],"depend":[56],"on":[57,93],"additional":[58],"sensing":[59],"hardware":[60],"are":[62,97],"sensitive":[63],"calibration":[65],"environmental":[67],"conditions.":[68],"X-ray":[69,128,151,183],"imaging":[70],"offers":[71],"distinct":[72],"advantages":[73,201],"by":[74,153],"allowing":[75],"visualization":[76],"without":[77,167],"specialized":[78],"or":[80,101,104],"external":[81],"devices,":[82],"enabling":[83,175],"universal":[84],"applicability;":[85],"however,":[86],"existing":[87],"image-based":[88],"tracking":[89,166],"either":[91],"rely":[92],"large":[94],"training":[95],"datasets":[96],"limited":[98],"thick":[100],"structured":[102],"catheters,":[103],"lack":[105],"real-time":[106,163],"performance.":[107],"In":[108],"this":[109],"study,":[110],"we":[111],"present":[112],"a":[113,123,126,155],"slender-marker-based":[114],"method":[115],"accurately":[117],"estimate":[118],"3D":[120,147],"catheter":[124,179],"from":[125],"single":[127],"image":[129],"using":[130],"thin":[131],"radiopaque":[132],"marker":[133],"sets":[134],"compatible":[135],"with":[136,158,182],"commercially":[137],"available":[138],"epidural":[139],"catheters.":[140],"The":[141],"proposed":[142,197],"algorithm":[143],"resolves":[144],"inherent":[146],"ambiguity":[148],"in":[149],"single-plane":[150],"projections":[152],"combining":[154],"mixture-of-experts":[156],"model":[157],"geometry-constrained":[159],"refinement,":[160],"achieves":[162],"any":[168],"pre-obtained":[169],"experimental":[170],"data":[171],"through":[172],"simulation-based":[173],"learning,":[174],"strong":[176],"generalization":[177],"across":[178],"types.":[180],"Validation":[181],"C-arm":[185],"experiments":[186],"confirmed":[187],"clinically":[188],"acceptable":[189],"accuracy,":[190],"below":[191],"2":[192],"mm,":[193],"showing":[194],"that":[195],"approach":[198],"preserves":[199],"X-ray\u2013based":[203],"interventions":[204],"while":[205],"reducing":[206],"radiation":[207],"exposure":[208],"for":[209],"both":[210],"surgeons":[211],"patients.":[213]},"counts_by_year":[],"updated_date":"2026-06-20T20:08:15.867695","created_date":"2026-05-06T00:00:00"}
