{"id":"https://openalex.org/W4313006081","doi":"https://doi.org/10.1109/access.2022.3214212","title":"Utilizing Mask RCNN for Monitoring Postoperative Free Flap: Circulatory Compromise Detection Based on Visible-Light and Infrared Images","display_name":"Utilizing Mask RCNN for Monitoring Postoperative Free Flap: Circulatory Compromise Detection Based on Visible-Light and Infrared Images","publication_year":2022,"publication_date":"2022-01-01","ids":{"openalex":"https://openalex.org/W4313006081","doi":"https://doi.org/10.1109/access.2022.3214212"},"language":"en","primary_location":{"id":"doi:10.1109/access.2022.3214212","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2022.3214212","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/6514899/09917501.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://ieeexplore.ieee.org/ielx7/6287639/6514899/09917501.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5089223881","display_name":"Chi-En Lee","orcid":"https://orcid.org/0000-0001-5963-2860"},"institutions":[{"id":"https://openalex.org/I16733864","display_name":"National Taiwan University","ror":"https://ror.org/05bqach95","country_code":"TW","type":"education","lineage":["https://openalex.org/I16733864"]}],"countries":["TW"],"is_corresponding":true,"raw_author_name":"Chi-En Lee","raw_affiliation_strings":["Institute of Biomedical Engineering, National Taiwan University, Taipei, Taiwan"],"raw_orcid":"https://orcid.org/0000-0001-5963-2860","affiliations":[{"raw_affiliation_string":"Institute of Biomedical Engineering, National Taiwan University, Taipei, Taiwan","institution_ids":["https://openalex.org/I16733864"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101981950","display_name":"Chung\u2010Ming Chen","orcid":"https://orcid.org/0000-0002-0023-5817"},"institutions":[{"id":"https://openalex.org/I16733864","display_name":"National Taiwan University","ror":"https://ror.org/05bqach95","country_code":"TW","type":"education","lineage":["https://openalex.org/I16733864"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Chung-Ming Chen","raw_affiliation_strings":["Institute of Biomedical Engineering, National Taiwan University, Taipei, Taiwan"],"raw_orcid":"https://orcid.org/0000-0002-0023-5817","affiliations":[{"raw_affiliation_string":"Institute of Biomedical Engineering, National Taiwan University, Taipei, Taiwan","institution_ids":["https://openalex.org/I16733864"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100601281","display_name":"Hongxiang Wang","orcid":"https://orcid.org/0000-0003-4839-3985"},"institutions":[{"id":"https://openalex.org/I16733864","display_name":"National Taiwan University","ror":"https://ror.org/05bqach95","country_code":"TW","type":"education","lineage":["https://openalex.org/I16733864"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Hong-Xiang Wang","raw_affiliation_strings":["Institute of Biomedical Engineering, National Taiwan University, Taipei, Taiwan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Biomedical Engineering, National Taiwan University, Taipei, Taiwan","institution_ids":["https://openalex.org/I16733864"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100625779","display_name":"Li-Wei Chen","orcid":"https://orcid.org/0000-0002-3618-0256"},"institutions":[{"id":"https://openalex.org/I16733864","display_name":"National Taiwan University","ror":"https://ror.org/05bqach95","country_code":"TW","type":"education","lineage":["https://openalex.org/I16733864"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Li-Wei Chen","raw_affiliation_strings":["Institute of Biomedical Engineering, National Taiwan University, Taipei, Taiwan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Biomedical Engineering, National Taiwan University, Taipei, Taiwan","institution_ids":["https://openalex.org/I16733864"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5110629076","display_name":"Cherng-Kang Perng","orcid":null},"institutions":[{"id":"https://openalex.org/I2803004286","display_name":"Taipei Veterans General Hospital","ror":"https://ror.org/03ymy8z76","country_code":"TW","type":"healthcare","lineage":["https://openalex.org/I2803004286"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Cherng-Kang Perng","raw_affiliation_strings":["Department of Surgery, Division of Plastic and Reconstructive Surgery, Taipei Veterans General Hospital, Taipei, Taiwan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Surgery, Division of Plastic and Reconstructive Surgery, Taipei Veterans General Hospital, Taipei, Taiwan","institution_ids":["https://openalex.org/I2803004286"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5089223881"],"corresponding_institution_ids":["https://openalex.org/I16733864"],"apc_list":{"value":1850,"currency":"USD","value_usd":1850},"apc_paid":{"value":1850,"currency":"USD","value_usd":1850},"fwci":0.8728,"has_fulltext":true,"cited_by_count":5,"citation_normalized_percentile":{"value":0.74811058,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":98},"biblio":{"volume":"10","issue":null,"first_page":"109510","last_page":"109525"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10599","display_name":"Reconstructive Surgery and Microvascular Techniques","score":0.9947999715805054,"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/T10599","display_name":"Reconstructive Surgery and Microvascular Techniques","score":0.9947999715805054,"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/T10359","display_name":"Dental Implant Techniques and Outcomes","score":0.9692000150680542,"subfield":{"id":"https://openalex.org/subfields/3504","display_name":"Oral Surgery"},"field":{"id":"https://openalex.org/fields/35","display_name":"Dentistry"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T11566","display_name":"Laser Applications in Dentistry and Medicine","score":0.9556999802589417,"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/artificial-intelligence","display_name":"Artificial intelligence","score":0.7992241382598877},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.7622965574264526},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6595180034637451},{"id":"https://openalex.org/keywords/pixel","display_name":"Pixel","score":0.5890599489212036},{"id":"https://openalex.org/keywords/canny-edge-detector","display_name":"Canny edge detector","score":0.46122413873672485},{"id":"https://openalex.org/keywords/transformation","display_name":"Transformation (genetics)","score":0.460299551486969},{"id":"https://openalex.org/keywords/image-processing","display_name":"Image processing","score":0.4095892906188965},{"id":"https://openalex.org/keywords/edge-detection","display_name":"Edge detection","score":0.32853174209594727},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.21079644560813904}],"concepts":[{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.7992241382598877},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.7622965574264526},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6595180034637451},{"id":"https://openalex.org/C160633673","wikidata":"https://www.wikidata.org/wiki/Q355198","display_name":"Pixel","level":2,"score":0.5890599489212036},{"id":"https://openalex.org/C14705441","wikidata":"https://www.wikidata.org/wiki/Q597183","display_name":"Canny edge detector","level":5,"score":0.46122413873672485},{"id":"https://openalex.org/C204241405","wikidata":"https://www.wikidata.org/wiki/Q461499","display_name":"Transformation (genetics)","level":3,"score":0.460299551486969},{"id":"https://openalex.org/C9417928","wikidata":"https://www.wikidata.org/wiki/Q1070689","display_name":"Image processing","level":3,"score":0.4095892906188965},{"id":"https://openalex.org/C193536780","wikidata":"https://www.wikidata.org/wiki/Q1513153","display_name":"Edge detection","level":4,"score":0.32853174209594727},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.21079644560813904},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.0},{"id":"https://openalex.org/C55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","level":1,"score":0.0},{"id":"https://openalex.org/C104317684","wikidata":"https://www.wikidata.org/wiki/Q7187","display_name":"Gene","level":2,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/access.2022.3214212","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2022.3214212","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/6514899/09917501.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:ca963b77d78a46389211bb66a857c344","is_oa":true,"landing_page_url":"https://doaj.org/article/ca963b77d78a46389211bb66a857c344","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Access, Vol 10, Pp 109510-109525 (2022)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1109/access.2022.3214212","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2022.3214212","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/6514899/09917501.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G7461202037","display_name":null,"funder_award_id":"MOST-106-2221-E-002-006","funder_id":"https://openalex.org/F4320322108","funder_display_name":"Ministry of Science and Technology"}],"funders":[{"id":"https://openalex.org/F4320322108","display_name":"Ministry of Science and Technology","ror":"https://ror.org/032e49973"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4313006081.pdf","grobid_xml":"https://content.openalex.org/works/W4313006081.grobid-xml"},"referenced_works_count":51,"referenced_works":["https://openalex.org/W130994704","https://openalex.org/W639708223","https://openalex.org/W1496923160","https://openalex.org/W1536680647","https://openalex.org/W1639227073","https://openalex.org/W1677409904","https://openalex.org/W1686810756","https://openalex.org/W1860610413","https://openalex.org/W1861492603","https://openalex.org/W1964801580","https://openalex.org/W1968901737","https://openalex.org/W2012997251","https://openalex.org/W2014425592","https://openalex.org/W2016190281","https://openalex.org/W2017170495","https://openalex.org/W2023919800","https://openalex.org/W2026943913","https://openalex.org/W2030230500","https://openalex.org/W2036590999","https://openalex.org/W2039548066","https://openalex.org/W2046467369","https://openalex.org/W2048750611","https://openalex.org/W2069295011","https://openalex.org/W2073664963","https://openalex.org/W2083095949","https://openalex.org/W2083624955","https://openalex.org/W2089159288","https://openalex.org/W2102605133","https://openalex.org/W2104095591","https://openalex.org/W2106160885","https://openalex.org/W2111308925","https://openalex.org/W2113396898","https://openalex.org/W2124386111","https://openalex.org/W2159709546","https://openalex.org/W2194775991","https://openalex.org/W2395611524","https://openalex.org/W2468317448","https://openalex.org/W2565639579","https://openalex.org/W2800286707","https://openalex.org/W2963150697","https://openalex.org/W2963446712","https://openalex.org/W2964242896","https://openalex.org/W4205172069","https://openalex.org/W4206652669","https://openalex.org/W4246935840","https://openalex.org/W4251320132","https://openalex.org/W4252094856","https://openalex.org/W4255421341","https://openalex.org/W4301597955","https://openalex.org/W6637373629","https://openalex.org/W6733997475"],"related_works":["https://openalex.org/W3169126738","https://openalex.org/W2558559991","https://openalex.org/W1994279415","https://openalex.org/W1986338341","https://openalex.org/W2980082320","https://openalex.org/W2545065926","https://openalex.org/W2036421992","https://openalex.org/W2387510934","https://openalex.org/W2015446345","https://openalex.org/W3132644099"],"abstract_inverted_index":{"The":[0,90,105,135,162,178],"new":[1],"postoperative":[2],"free":[3,60,246],"flap":[4,247],"monitoring":[5,229],"system":[6,230],"combines":[7],"visible-light":[8,43],"and":[9,30,62,128,149,154,169,213],"infrared":[10,32,84],"techniques":[11],"to":[12,23,37,54,98,238],"overcome":[13],"the":[14,31,39,42,45,56,59,76,83,87,94,100,115,118,142,155,170,185,189,195,203,214,220,223,227,236,241,245],"limitations":[15],"of":[16,58,117,125,132,188,217,243],"our":[17,70],"previous":[18],"study,":[19],"such":[20],"as":[21,157,159,222],"resistance":[22],"illumination":[24,160],"change,":[25],"patients":[26],"with":[27,146,248],"large":[28],"movements,":[29],"images":[33,66,79],"being":[34],"too":[35],"blurry":[36],"identify":[38],"boundary.":[40],"In":[41,112,199],"system,":[44],"Mask":[46],"region-based":[47],"convolutional":[48],"neural":[49],"networks":[50],"(RCNN)":[51],"was":[52,192,206,219],"adopted":[53,93],"segment":[55],"region":[57],"flap,":[61],"these":[63],"time-course":[64],"visible":[65,78],"were":[67,80,107],"aligned":[68],"using":[69],"proposed":[71],"image":[72,85,113,179,191,197],"registration":[73,180],"method.":[74],"Then,":[75],"registered":[77],"projected":[81],"onto":[82,194,240],"by":[86,152],"coordinate":[88,119],"transformation.":[89],"analysis":[91,97],"method":[92],"residual":[95],"factor":[96],"extract":[99],"more":[101],"unvarnished":[102],"specific":[103],"factors.":[104],"experiments":[106],"divided":[108],"into":[109],"two":[110],"parts.":[111],"processing,":[114],"accuracy":[116],"transformation":[120],"has":[121],"a":[122,129,232],"mean":[123],"error":[124],"1.78":[126],"pixels":[127],"standard":[130],"deviation":[131],"0.98":[133],"pixels.":[134,177],"segmentation":[136],"results":[137,181],"showed":[138],"excellent":[139],"performance":[140],"in":[141],"most":[143],"severe":[144],"case":[145],"apparent":[147],"motion":[148],"rotation,":[150],"covered":[151],"gauze":[153],"ventilator,":[156],"well":[158],"variation.":[161],"dice":[163],"coefficient":[164],"is":[165,173],"0.9551":[166],"\u00b1":[167,175],"0.0158,":[168],"Hausdorff":[171],"distance":[172],"2.3943":[174],"0.3921":[176],"also":[182],"reveal":[183],"that":[184],"Canny":[186],"edge":[187],"deformed":[190],"superimposed":[193],"reference":[196],"well.":[198],"circulatory":[200],"compromise":[201],"detection,":[202],"vascular":[204,249],"congestion":[205],"detected":[207],"much":[208],"earlier":[209],"than":[210],"manual":[211],"observation,":[212],"classified":[215],"type":[216],"occlusion":[218],"same":[221],"clinical":[224],"reports.":[225],"Therefore,":[226],"dual-camera":[228],"provides":[231],"reliable":[233],"tool":[234],"for":[235],"surgeon":[237],"hold":[239],"chance":[242],"repairing":[244],"obstruction.":[250]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":3},{"year":2022,"cited_by_count":1}],"updated_date":"2026-05-06T08:25:59.206177","created_date":"2025-10-10T00:00:00"}