{"id":"https://openalex.org/W4411995989","doi":"https://doi.org/10.1109/smartcomp65954.2025.00082","title":"Contrast-Free Ischemic Stroke Assessment: Generating CBV Maps from NCCT Scans Using Deep Learning Models","display_name":"Contrast-Free Ischemic Stroke Assessment: Generating CBV Maps from NCCT Scans Using Deep Learning Models","publication_year":2025,"publication_date":"2025-06-16","ids":{"openalex":"https://openalex.org/W4411995989","doi":"https://doi.org/10.1109/smartcomp65954.2025.00082"},"language":"en","primary_location":{"id":"doi:10.1109/smartcomp65954.2025.00082","is_oa":false,"landing_page_url":"https://doi.org/10.1109/smartcomp65954.2025.00082","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2025 IEEE International Conference on Smart Computing (SMARTCOMP)","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/A5118808174","display_name":"Sony M.S.","orcid":null},"institutions":[{"id":"https://openalex.org/I81556334","display_name":"Amrita Vishwa Vidyapeetham","ror":"https://ror.org/03am10p12","country_code":"IN","type":"education","lineage":["https://openalex.org/I81556334"]}],"countries":["IN"],"is_corresponding":true,"raw_author_name":"Sony M.S.","raw_affiliation_strings":["Amrita School of Computing, Amrita Vishwa Vidyapeetham,Department of Computer Science and Engineering,Amritapuri,India"],"affiliations":[{"raw_affiliation_string":"Amrita School of Computing, Amrita Vishwa Vidyapeetham,Department of Computer Science and Engineering,Amritapuri,India","institution_ids":["https://openalex.org/I81556334"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Sumi Suresh M.S.","orcid":null},"institutions":[{"id":"https://openalex.org/I63190737","display_name":"University at Buffalo, State University of New York","ror":"https://ror.org/01y64my43","country_code":"US","type":"education","lineage":["https://openalex.org/I63190737"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Sumi Suresh M.S.","raw_affiliation_strings":["University at Buffalo,Department of Computer Science and Engineering,Buffalo,NY,USA,14260"],"affiliations":[{"raw_affiliation_string":"University at Buffalo,Department of Computer Science and Engineering,Buffalo,NY,USA,14260","institution_ids":["https://openalex.org/I63190737"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5039019999","display_name":"Vivek Menon","orcid":"https://orcid.org/0000-0003-1305-633X"},"institutions":[{"id":"https://openalex.org/I81556334","display_name":"Amrita Vishwa Vidyapeetham","ror":"https://ror.org/03am10p12","country_code":"IN","type":"education","lineage":["https://openalex.org/I81556334"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Vivek Menon","raw_affiliation_strings":["Amrita School of Computing, Amrita Vishwa Vidyapeetham,Department of Computer Science and Engineering,Amritapuri,India"],"affiliations":[{"raw_affiliation_string":"Amrita School of Computing, Amrita Vishwa Vidyapeetham,Department of Computer Science and Engineering,Amritapuri,India","institution_ids":["https://openalex.org/I81556334"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5118808174"],"corresponding_institution_ids":["https://openalex.org/I81556334"],"apc_list":null,"apc_paid":null,"fwci":1.2096,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.80325845,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":96,"max":98},"biblio":{"volume":null,"issue":null,"first_page":"360","last_page":"365"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10227","display_name":"Acute Ischemic Stroke Management","score":0.9991999864578247,"subfield":{"id":"https://openalex.org/subfields/2713","display_name":"Epidemiology"},"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/T10227","display_name":"Acute Ischemic Stroke Management","score":0.9991999864578247,"subfield":{"id":"https://openalex.org/subfields/2713","display_name":"Epidemiology"},"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/T10372","display_name":"Cardiac Imaging and Diagnostics","score":0.9625999927520752,"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/T10926","display_name":"Peripheral Artery Disease Management","score":0.9476000070571899,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/contrast","display_name":"Contrast (vision)","score":0.7901546955108643},{"id":"https://openalex.org/keywords/stroke","display_name":"Stroke (engine)","score":0.5261616110801697},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5189023613929749},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.4979584217071533},{"id":"https://openalex.org/keywords/medicine","display_name":"Medicine","score":0.32215416431427},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.11448374390602112}],"concepts":[{"id":"https://openalex.org/C2776502983","wikidata":"https://www.wikidata.org/wiki/Q690182","display_name":"Contrast (vision)","level":2,"score":0.7901546955108643},{"id":"https://openalex.org/C2780645631","wikidata":"https://www.wikidata.org/wiki/Q671554","display_name":"Stroke (engine)","level":2,"score":0.5261616110801697},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5189023613929749},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.4979584217071533},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.32215416431427},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.11448374390602112},{"id":"https://openalex.org/C78519656","wikidata":"https://www.wikidata.org/wiki/Q101333","display_name":"Mechanical engineering","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/smartcomp65954.2025.00082","is_oa":false,"landing_page_url":"https://doi.org/10.1109/smartcomp65954.2025.00082","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2025 IEEE International Conference on Smart Computing (SMARTCOMP)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":23,"referenced_works":["https://openalex.org/W1990870045","https://openalex.org/W2105678645","https://openalex.org/W2133897909","https://openalex.org/W2293425673","https://openalex.org/W2441923858","https://openalex.org/W2807425138","https://openalex.org/W2891010780","https://openalex.org/W2979365272","https://openalex.org/W3123440312","https://openalex.org/W3197417533","https://openalex.org/W3202193911","https://openalex.org/W3202791468","https://openalex.org/W4200167978","https://openalex.org/W4205481379","https://openalex.org/W4205679663","https://openalex.org/W4206722496","https://openalex.org/W4285816613","https://openalex.org/W4316019748","https://openalex.org/W4321231857","https://openalex.org/W4386886633","https://openalex.org/W4392451045","https://openalex.org/W4406260294","https://openalex.org/W4409642480"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W2899084033","https://openalex.org/W2748952813","https://openalex.org/W3031052312","https://openalex.org/W4389568370","https://openalex.org/W3032375762","https://openalex.org/W1995515455","https://openalex.org/W2080531066","https://openalex.org/W3108674512","https://openalex.org/W1506200166"],"abstract_inverted_index":{"Cerebral":[0],"blood":[1,22],"volume":[2],"(CBV)":[3],"is":[4],"a":[5,34,90,109],"pivotal":[6],"parameter":[7],"in":[8,155],"computed":[9],"tomography":[10],"perfusion":[11,56],"(CTP)":[12],"imaging":[13,57],"techniques":[14],"for":[15,41,68],"assessing":[16],"cerebral":[17],"perfusion,":[18],"giving":[19],"insights":[20],"into":[21],"distribution":[23],"across":[24],"different":[25],"brain":[26],"regions.":[27],"Traditionally,":[28],"CTP":[29],"involves":[30],"the":[31,46,51,69,141],"use":[32],"of":[33,53,74,93],"contrast":[35],"agent,":[36],"which":[37],"poses":[38],"significant":[39],"risks":[40],"vulnerable":[42],"patient":[43],"groups,":[44],"despite":[45],"precision":[47],"it":[48],"offers.":[49],"In":[50],"absence":[52],"contrast-based":[54],"CT":[55,64],"techniques,":[58],"generating":[59,156],"CBV":[60,83,157],"maps":[61,158],"from":[62,85,159],"non-contrast":[63],"(NCCT)":[65],"scans":[66],"allows":[67],"quick":[70],"and":[71,77,97,104,119,130,165],"precise":[72],"diagnosis":[73],"ischemic":[75],"stroke":[76],"other":[78],"vascular":[79],"disorders.":[80],"To":[81],"generate":[82],"images":[84,161],"NCCT":[86,160],"scans,":[87],"we":[88,107,138],"perform":[89],"comparative":[91],"evaluation":[92],"multiple":[94],"transfer":[95],"learning":[96],"diffusion":[98,143],"models.":[99],"For":[100],"enhancing":[101],"pixel-wise":[102],"accuracy":[103],"perceptual":[105],"quality,":[106],"propose":[108],"novel":[110],"hybrid":[111,149],"loss":[112,150],"function":[113],"combining":[114],"mean":[115],"squared":[116],"error":[117],"(MSE)":[118],"multiscale":[120],"edge":[121],"structural":[122],"similarity":[123,132],"index":[124],"measure":[125],"(MSE-SSIM)":[126],"with":[127,162],"adaptive":[128],"weighting":[129],"wavelet":[131],"feature.":[133],"From":[134],"our":[135,148],"extensive":[136],"experiments,":[137],"observe":[139],"that":[140],"latent":[142],"model":[144],"(LDM),":[145],"trained":[146],"using":[147],"function,":[151],"exhibits":[152],"superior":[153],"performance":[154],"85.20%":[163],"MSE-SSIM,":[164],"20.34dB":[166],"PSNR.":[167]},"counts_by_year":[{"year":2026,"cited_by_count":1}],"updated_date":"2026-04-21T08:09:41.155169","created_date":"2025-10-10T00:00:00"}