{"id":"https://openalex.org/W7133307463","doi":"https://doi.org/10.48550/arxiv.2603.00675","title":"Specializing Foundation Models via Mixture of Low-Rank Experts for Comprehensive Head CT Analysis","display_name":"Specializing Foundation Models via Mixture of Low-Rank Experts for Comprehensive Head CT Analysis","publication_year":2026,"publication_date":"2026-02-28","ids":{"openalex":"https://openalex.org/W7133307463","doi":"https://doi.org/10.48550/arxiv.2603.00675"},"language":"en","primary_location":{"id":"pmh:oai:arXiv.org:2603.00675","doi":null,"is_oa":true,"landing_page_url":"http://arxiv.org/abs/2603.00675","pdf_url":"https://arxiv.org/pdf/2603.00675","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},"volume":null,"type":"preprint","is_traditional":true,"indexed_in":["arxiv","datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://arxiv.org/pdf/2603.00675","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5031310336","display_name":"Youngjin Yoo","orcid":"https://orcid.org/0000-0002-0001-0503","observed_orcids":["https://orcid.org/0000-0002-0001-0503"]},"institutions":[{"id":"https://openalex.org/I4210137693","display_name":"Siemens (United States)","ror":"https://ror.org/04axb7e79","country_code":"US","type":"company","lineage":["https://openalex.org/I1325886976","https://openalex.org/I4210137693"]},{"id":"https://openalex.org/I4210151799","display_name":"Siemens Healthcare (United States)","ror":"https://ror.org/054962n91","country_code":"US","type":"company","lineage":["https://openalex.org/I4210151799"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Yoo, Youngjin","raw_affiliation_strings":["Digital Technology and Innovation , Siemens Healthineers , Princeton , NJ USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Digital Technology and Innovation , Siemens Healthineers , Princeton , NJ USA","institution_ids":["https://openalex.org/I4210137693","https://openalex.org/I4210151799"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5128006993","display_name":"Han Liu","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210137693","display_name":"Siemens (United States)","ror":"https://ror.org/04axb7e79","country_code":"US","type":"company","lineage":["https://openalex.org/I1325886976","https://openalex.org/I4210137693"]},{"id":"https://openalex.org/I4210151799","display_name":"Siemens Healthcare (United States)","ror":"https://ror.org/054962n91","country_code":"US","type":"company","lineage":["https://openalex.org/I4210151799"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Liu, Han","raw_affiliation_strings":["Digital Technology and Innovation , Siemens Healthineers , Princeton , NJ USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Digital Technology and Innovation , Siemens Healthineers , Princeton , NJ USA","institution_ids":["https://openalex.org/I4210137693","https://openalex.org/I4210151799"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5011888340","display_name":"Bogdan Georgescu","orcid":"https://orcid.org/0000-0001-5388-5699","observed_orcids":["https://orcid.org/0000-0001-5388-5699"]},"institutions":[{"id":"https://openalex.org/I4210137693","display_name":"Siemens (United States)","ror":"https://ror.org/04axb7e79","country_code":"US","type":"company","lineage":["https://openalex.org/I1325886976","https://openalex.org/I4210137693"]},{"id":"https://openalex.org/I4210151799","display_name":"Siemens Healthcare (United States)","ror":"https://ror.org/054962n91","country_code":"US","type":"company","lineage":["https://openalex.org/I4210151799"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Georgescu, Bogdan","raw_affiliation_strings":["Digital Technology and Innovation , Siemens Healthineers , Princeton , NJ USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Digital Technology and Innovation , Siemens Healthineers , Princeton , NJ USA","institution_ids":["https://openalex.org/I4210137693","https://openalex.org/I4210151799"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5127980967","display_name":"Yanbo Zhang","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210137693","display_name":"Siemens (United States)","ror":"https://ror.org/04axb7e79","country_code":"US","type":"company","lineage":["https://openalex.org/I1325886976","https://openalex.org/I4210137693"]},{"id":"https://openalex.org/I4210151799","display_name":"Siemens Healthcare (United States)","ror":"https://ror.org/054962n91","country_code":"US","type":"company","lineage":["https://openalex.org/I4210151799"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Zhang, Yanbo","raw_affiliation_strings":["Digital Technology and Innovation , Siemens Healthineers , Princeton , NJ USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Digital Technology and Innovation , Siemens Healthineers , Princeton , NJ USA","institution_ids":["https://openalex.org/I4210137693","https://openalex.org/I4210151799"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5087446167","display_name":"Sa\u0161a Grbi\u0107","orcid":"https://orcid.org/0000-0002-7564-9811","observed_orcids":["https://orcid.org/0000-0002-7564-9811"]},"institutions":[{"id":"https://openalex.org/I4210137693","display_name":"Siemens (United States)","ror":"https://ror.org/04axb7e79","country_code":"US","type":"company","lineage":["https://openalex.org/I1325886976","https://openalex.org/I4210137693"]},{"id":"https://openalex.org/I4210151799","display_name":"Siemens Healthcare (United States)","ror":"https://ror.org/054962n91","country_code":"US","type":"company","lineage":["https://openalex.org/I4210151799"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Grbic, Sasa","raw_affiliation_strings":["Digital Technology and Innovation , Siemens Healthineers , Princeton , NJ USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Digital Technology and Innovation , Siemens Healthineers , Princeton , NJ USA","institution_ids":["https://openalex.org/I4210137693","https://openalex.org/I4210151799"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5127911554","display_name":"Michael Baumgartner","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210137693","display_name":"Siemens (United States)","ror":"https://ror.org/04axb7e79","country_code":"US","type":"company","lineage":["https://openalex.org/I1325886976","https://openalex.org/I4210137693"]},{"id":"https://openalex.org/I4210151799","display_name":"Siemens Healthcare (United States)","ror":"https://ror.org/054962n91","country_code":"US","type":"company","lineage":["https://openalex.org/I4210151799"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Baumgartner, Michael","raw_affiliation_strings":["Digital Technology and Innovation , Siemens Healthineers , Princeton , NJ USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Digital Technology and Innovation , Siemens Healthineers , Princeton , NJ USA","institution_ids":["https://openalex.org/I4210137693","https://openalex.org/I4210151799"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5055448355","display_name":"Thomas Joseph Re","orcid":"https://orcid.org/0000-0003-2285-1562","observed_orcids":["https://orcid.org/0000-0003-2285-1562"]},"institutions":[{"id":"https://openalex.org/I4210137693","display_name":"Siemens (United States)","ror":"https://ror.org/04axb7e79","country_code":"US","type":"company","lineage":["https://openalex.org/I1325886976","https://openalex.org/I4210137693"]},{"id":"https://openalex.org/I4210151799","display_name":"Siemens Healthcare (United States)","ror":"https://ror.org/054962n91","country_code":"US","type":"company","lineage":["https://openalex.org/I4210151799"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Re, Thomas J.","raw_affiliation_strings":["Digital Technology and Innovation , Siemens Healthineers , Princeton , NJ USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Digital Technology and Innovation , Siemens Healthineers , Princeton , NJ USA","institution_ids":["https://openalex.org/I4210137693","https://openalex.org/I4210151799"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5029200200","display_name":"Jyotipriya Das","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210137693","display_name":"Siemens (United States)","ror":"https://ror.org/04axb7e79","country_code":"US","type":"company","lineage":["https://openalex.org/I1325886976","https://openalex.org/I4210137693"]},{"id":"https://openalex.org/I4210151799","display_name":"Siemens Healthcare (United States)","ror":"https://ror.org/054962n91","country_code":"US","type":"company","lineage":["https://openalex.org/I4210151799"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Das, Jyotipriya","raw_affiliation_strings":["Digital Technology and Innovation , Siemens Healthineers , Princeton , NJ USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Digital Technology and Innovation , Siemens Healthineers , Princeton , NJ USA","institution_ids":["https://openalex.org/I4210137693","https://openalex.org/I4210151799"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5093393046","display_name":"Poikavila Ullaskrishnan","orcid":"https://orcid.org/0009-0007-0614-2746","observed_orcids":["https://orcid.org/0009-0007-0614-2746"]},"institutions":[{"id":"https://openalex.org/I4210137693","display_name":"Siemens (United States)","ror":"https://ror.org/04axb7e79","country_code":"US","type":"company","lineage":["https://openalex.org/I1325886976","https://openalex.org/I4210137693"]},{"id":"https://openalex.org/I4210151799","display_name":"Siemens Healthcare (United States)","ror":"https://ror.org/054962n91","country_code":"US","type":"company","lineage":["https://openalex.org/I4210151799"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Ullaskrishnan, Poikavila","raw_affiliation_strings":["Digital Technology and Innovation , Siemens Healthineers , Princeton , NJ USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Digital Technology and Innovation , Siemens Healthineers , Princeton , NJ USA","institution_ids":["https://openalex.org/I4210137693","https://openalex.org/I4210151799"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5048357114","display_name":"Eva Eibenberger","orcid":"https://orcid.org/0000-0003-3560-830X","observed_orcids":["https://orcid.org/0000-0003-3560-830X"]},"institutions":[{"id":"https://openalex.org/I4210153902","display_name":"Siemens Healthineers (Germany)","ror":"https://ror.org/0449c4c15","country_code":"DE","type":"company","lineage":["https://openalex.org/I4210153902"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Eibenberger, Eva","raw_affiliation_strings":["Department of Computed Tomography , Siemens Healthineers , Forchheim , Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Computed Tomography , Siemens Healthineers , Forchheim , Germany","institution_ids":["https://openalex.org/I4210153902"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5019635129","display_name":"Andrei Chekkoury","orcid":"https://orcid.org/0000-0003-3651-6298","observed_orcids":["https://orcid.org/0000-0003-3651-6298"]},"institutions":[{"id":"https://openalex.org/I4210153902","display_name":"Siemens Healthineers (Germany)","ror":"https://ror.org/0449c4c15","country_code":"DE","type":"company","lineage":["https://openalex.org/I4210153902"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Chekkoury, Andrei","raw_affiliation_strings":["Department of Computed Tomography , Siemens Healthineers , Forchheim , Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Computed Tomography , Siemens Healthineers , Forchheim , Germany","institution_ids":["https://openalex.org/I4210153902"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5008834206","display_name":"Uttam K. Bodanapally","orcid":"https://orcid.org/0000-0003-0455-816X","observed_orcids":["https://orcid.org/0000-0003-0455-816X"]},"institutions":[{"id":"https://openalex.org/I1315496137","display_name":"University of Maryland Medical Center","ror":"https://ror.org/00sde4n60","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I1315496137","https://openalex.org/I14285509"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Bodanapally, Uttam K.","raw_affiliation_strings":["Department of Radiology , University of Maryland Medical Center , Baltimore , MD USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Radiology , University of Maryland Medical Center , Baltimore , MD USA","institution_ids":["https://openalex.org/I1315496137"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5071405883","display_name":"Savvas Nicolaou","orcid":"https://orcid.org/0000-0002-4203-6605","observed_orcids":["https://orcid.org/0000-0002-4203-6605"]},"institutions":[{"id":"https://openalex.org/I2802832906","display_name":"Vancouver General Hospital","ror":"https://ror.org/02zg69r60","country_code":"CA","type":"healthcare","lineage":["https://openalex.org/I141074466","https://openalex.org/I2799475292","https://openalex.org/I2802832906"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Nicolaou, Savvas","raw_affiliation_strings":["Department of Radiology , Vancouver General Hospital , Vancouver , BC Canada"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Radiology , Vancouver General Hospital , Vancouver , BC Canada","institution_ids":["https://openalex.org/I2802832906"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5088627565","display_name":"Pina C. Sanelli","orcid":"https://orcid.org/0000-0002-9633-3699","observed_orcids":["https://orcid.org/0000-0002-9633-3699"]},"institutions":[{"id":"https://openalex.org/I1302444339","display_name":"Northwell Health","ror":"https://ror.org/02bxt4m23","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I1302444339"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Sanelli, Pina C.","raw_affiliation_strings":["Department of Radiology , Northwell Health , New York , NY USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Radiology , Northwell Health , New York , NY USA","institution_ids":["https://openalex.org/I1302444339"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5065739324","display_name":"Thomas J. Schroeppel","orcid":"https://orcid.org/0000-0001-9164-5004","observed_orcids":["https://orcid.org/0000-0001-9164-5004"]},"institutions":[{"id":"https://openalex.org/I4210087413","display_name":"University of Colorado Health","ror":"https://ror.org/0107w4315","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I4210087413"]},{"id":"https://openalex.org/I4210165704","display_name":"Memorial Hospital","ror":"https://ror.org/05jhpk184","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I4210087413","https://openalex.org/I4210165704"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Schroeppel, Thomas J.","raw_affiliation_strings":["Department of Surgery , UCHealth Memorial Hospital , Colorado Springs , CO USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Surgery , UCHealth Memorial Hospital , Colorado Springs , CO USA","institution_ids":["https://openalex.org/I4210087413","https://openalex.org/I4210165704"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5043209972","display_name":"Yvonne W. Lui","orcid":"https://orcid.org/0000-0002-9984-9164","observed_orcids":["https://orcid.org/0000-0002-9984-9164"]},"institutions":[{"id":"https://openalex.org/I57206974","display_name":"New York University","ror":"https://ror.org/0190ak572","country_code":"US","type":"education","lineage":["https://openalex.org/I57206974"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Lui, Yvonne W.","raw_affiliation_strings":["Department of Radiology , New York University , New York , NY USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Radiology , New York University , New York , NY USA","institution_ids":["https://openalex.org/I57206974"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5025274219","display_name":"Eli Gibson","orcid":"https://orcid.org/0000-0001-9207-7280","observed_orcids":["https://orcid.org/0000-0001-9207-7280"]},"institutions":[{"id":"https://openalex.org/I4210137693","display_name":"Siemens (United States)","ror":"https://ror.org/04axb7e79","country_code":"US","type":"company","lineage":["https://openalex.org/I1325886976","https://openalex.org/I4210137693"]},{"id":"https://openalex.org/I4210151799","display_name":"Siemens Healthcare (United States)","ror":"https://ror.org/054962n91","country_code":"US","type":"company","lineage":["https://openalex.org/I4210151799"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Gibson, Eli","raw_affiliation_strings":["Digital Technology and Innovation , Siemens Healthineers , Princeton , NJ USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Digital Technology and Innovation , Siemens Healthineers , Princeton , NJ USA","institution_ids":["https://openalex.org/I4210137693","https://openalex.org/I4210151799"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":9,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11307","display_name":"Domain Adaptation and Few-Shot Learning","score":0.6395999789237976,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11307","display_name":"Domain Adaptation and Few-Shot Learning","score":0.6395999789237976,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11636","display_name":"Artificial Intelligence in Healthcare and Education","score":0.23190000653266907,"subfield":{"id":"https://openalex.org/subfields/2718","display_name":"Health Informatics"},"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/T10036","display_name":"Advanced Neural Network Applications","score":0.02019999921321869,"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/lora","display_name":"LoRa","score":0.7329999804496765},{"id":"https://openalex.org/keywords/parameter-efficient-fine-tuning","display_name":"parameter-efficient fine-tuning","score":0.8100000023841858},{"id":"https://openalex.org/keywords/head-ct","display_name":"head CT","score":0.7080000042915344},{"id":"https://openalex.org/keywords/medical-foundation-models","display_name":"medical foundation models","score":0.8059999942779541},{"id":"https://openalex.org/keywords/medgemma","display_name":"MedGemma","score":0.5860000252723694},{"id":"https://openalex.org/keywords/dinov3","display_name":"DINOv3","score":0.890999972820282},{"id":"https://openalex.org/keywords/three-dimensional-computed-tomography","display_name":"three-dimensional computed tomography","score":0.6980000138282776},{"id":"https://openalex.org/keywords/hemorrhage-detection","display_name":"hemorrhage detection","score":0.7879999876022339},{"id":"https://openalex.org/keywords/structural-abnormalities","display_name":"structural abnormalities","score":0.7649999856948853},{"id":"https://openalex.org/keywords/model-benchmarking","display_name":"model benchmarking","score":0.4390000104904175}],"concepts":[{"id":"https://openalex.org/C86251818","wikidata":"https://www.wikidata.org/wiki/Q816754","display_name":"Benchmarking","level":2,"score":0.7372999787330627},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6342999935150146},{"id":"https://openalex.org/C185798385","wikidata":"https://www.wikidata.org/wiki/Q1161707","display_name":"Benchmark (surveying)","level":2,"score":0.5716000199317932},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5350000262260437},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.5187000036239624},{"id":"https://openalex.org/C139807058","wikidata":"https://www.wikidata.org/wiki/Q352374","display_name":"Adaptation (eye)","level":2,"score":0.5048999786376953},{"id":"https://openalex.org/C2776401178","wikidata":"https://www.wikidata.org/wiki/Q12050496","display_name":"Feature (linguistics)","level":2,"score":0.4860000014305115},{"id":"https://openalex.org/C31601959","wikidata":"https://www.wikidata.org/wiki/Q931309","display_name":"Medical imaging","level":2,"score":0.4803999960422516},{"id":"https://openalex.org/C2780312720","wikidata":"https://www.wikidata.org/wiki/Q5689100","display_name":"Head (geology)","level":2,"score":0.3815999925136566},{"id":"https://openalex.org/C2780966255","wikidata":"https://www.wikidata.org/wiki/Q5474306","display_name":"Foundation (evidence)","level":2,"score":0.3804999887943268},{"id":"https://openalex.org/C2778755073","wikidata":"https://www.wikidata.org/wiki/Q10858537","display_name":"Scale (ratio)","level":2,"score":0.3790999948978424},{"id":"https://openalex.org/C150899416","wikidata":"https://www.wikidata.org/wiki/Q1820378","display_name":"Transfer of learning","level":2,"score":0.37610000371932983},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.33970001339912415},{"id":"https://openalex.org/C115051666","wikidata":"https://www.wikidata.org/wiki/Q6522493","display_name":"Ranging","level":2,"score":0.3231000006198883},{"id":"https://openalex.org/C151201525","wikidata":"https://www.wikidata.org/wiki/Q177239","display_name":"Limit (mathematics)","level":2,"score":0.3203999996185303},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.30570000410079956},{"id":"https://openalex.org/C534262118","wikidata":"https://www.wikidata.org/wiki/Q177719","display_name":"Medical diagnosis","level":2,"score":0.30250000953674316},{"id":"https://openalex.org/C8038995","wikidata":"https://www.wikidata.org/wiki/Q1152135","display_name":"Unsupervised learning","level":2,"score":0.2849999964237213},{"id":"https://openalex.org/C61224824","wikidata":"https://www.wikidata.org/wiki/Q2260434","display_name":"Mixture model","level":2,"score":0.27480000257492065},{"id":"https://openalex.org/C82157600","wikidata":"https://www.wikidata.org/wiki/Q2671652","display_name":"Diagnostic test","level":2,"score":0.25200000405311584}],"mesh":[],"locations_count":2,"locations":[{"id":"pmh:oai:arXiv.org:2603.00675","doi":null,"is_oa":true,"landing_page_url":"http://arxiv.org/abs/2603.00675","pdf_url":"https://arxiv.org/pdf/2603.00675","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},{"id":"doi:10.48550/arxiv.2603.00675","doi":"https://doi.org/10.48550/arxiv.2603.00675","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2603.00675","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Preprint"}],"best_oa_location":{"id":"pmh:oai:arXiv.org:2603.00675","doi":null,"is_oa":true,"landing_page_url":"http://arxiv.org/abs/2603.00675","pdf_url":"https://arxiv.org/pdf/2603.00675","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},"sustainable_development_goals":[{"score":0.504800021648407,"id":"https://metadata.un.org/sdg/3","display_name":"Good health and well-being"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W7133307463.pdf","grobid_xml":"https://content.openalex.org/works/W7133307463.grobid-xml"},"referenced_works_count":11,"referenced_works":["https://openalex.org/W2581624817","https://openalex.org/W2624871570","https://openalex.org/W3040573126","https://openalex.org/W4391109864","https://openalex.org/W4393248026","https://openalex.org/W4403345210","https://openalex.org/W4414687708","https://openalex.org/W4417419986","https://openalex.org/W4417452860","https://openalex.org/W6910554155","https://openalex.org/W7155205839"],"related_works":["https://openalex.org/W4416952853","https://openalex.org/W4403812686","https://openalex.org/W4402753832","https://openalex.org/W4416046300","https://openalex.org/W7213903961","https://openalex.org/W7203467204","https://openalex.org/W7202176601","https://openalex.org/W7172298947","https://openalex.org/W4403649782","https://openalex.org/W7106662998"],"abstract_inverted_index":{"Foundation":[0],"models":[1,98,154,169],"pre-trained":[2],"on":[3,197],"large-scale":[4],"datasets":[5],"demonstrate":[6,141],"strong":[7],"transfer":[8],"learning":[9],"capabilities;":[10],"however,":[11],"their":[12],"adaptation":[13,73],"to":[14,116],"complex":[15],"multi-label":[16],"diagnostic":[17],"tasks-such":[18],"as":[19,31,201],"comprehensive":[20,88],"head":[21,107,123],"CT":[22,124],"finding":[23],"detection-remains":[24],"understudied.":[25],"Standard":[26],"parameter-efficient":[27],"fine-tuning":[28],"methods":[29],"such":[30],"LoRA":[32,58],"apply":[33],"uniform":[34],"adaptations":[35],"across":[36,92,145],"pathology":[37,83],"types,":[38],"which":[39],"may":[40],"limit":[41],"performance":[42,143],"for":[43],"diverse":[44],"medical":[45,95],"findings.":[46],"We":[47,85],"propose":[48],"a":[49,87],"Mixture":[50],"of":[51,90,177,187,194],"Low-Rank":[52],"Experts":[53],"(MoLRE)":[54],"framework":[55],"that":[56],"extends":[57],"with":[59,74,126],"multiple":[60],"specialized":[61],"low-rank":[62],"adapters":[63],"and":[64,80,101,106,110,137,152,179,205],"unsupervised":[65],"soft":[66],"routing.":[67],"This":[68],"approach":[69],"enables":[70],"conditional":[71],"feature":[72],"less":[75],"than":[76],"0.5%":[77],"additional":[78],"parameters":[79],"without":[81],"explicit":[82],"supervision.":[84],"present":[86],"benchmark":[89],"MoLRE":[91,178],"six":[93],"state-of-the-art":[94],"imaging":[96],"foundation":[97],"spanning":[99],"2D":[100],"3D":[102,164],"architectures,":[103],"general-domain,":[104],"medical-domain,":[105],"CT-specific":[108],"pretraining,":[109],"model":[111,206],"sizes":[112],"ranging":[113],"from":[114],"7M":[115],"431M":[117],"parameters.":[118],"Using":[119],"over":[120],"70,000":[121],"non-contrast":[122],"scans":[125],"75":[127],"annotated":[128],"findings-including":[129],"hemorrhage,":[130],"infarction,":[131],"trauma,":[132],"mass":[133],"lesions,":[134],"structural":[135],"abnormalities,":[136],"chronic":[138],"changes-our":[139],"experiments":[140],"consistent":[142],"improvements":[144,158],"all":[146],"models.":[147],"Gains":[148],"vary":[149],"substantially:":[150],"general-purpose":[151],"medical-domain":[153],"show":[155,170],"the":[156,182,192],"largest":[157],"(DINOv3-Base:":[159],"+4.6%;":[160],"MedGemma:":[161],"+4.3%),":[162],"whereas":[163],"CT-specialized":[165],"or":[166],"very":[167],"large":[168],"more":[171],"modest":[172],"gains":[173],"(+0.2-1.3%).":[174],"The":[175],"combination":[176],"MedGemma":[180],"achieves":[181],"highest":[183],"average":[184],"detection":[185],"AUC":[186],"0.917.":[188],"These":[189],"findings":[190],"highlight":[191],"importance":[193],"systematic":[195],"benchmarking":[196],"target":[198],"clinical":[199],"tasks,":[200],"pretraining":[202],"domain,":[203],"architecture,":[204],"scale":[207],"interact":[208],"in":[209],"non-obvious":[210],"ways.":[211]},"counts_by_year":[],"updated_date":"2026-11-07T11:25:07.637180","created_date":"2026-03-04T00:00:00"}