{"id":"https://openalex.org/W4413080294","doi":"https://doi.org/10.3390/computers14070284","title":"A Context-Aware Doorway Alignment and Depth Estimation Algorithm for Assistive Wheelchairs","display_name":"A Context-Aware Doorway Alignment and Depth Estimation Algorithm for Assistive Wheelchairs","publication_year":2025,"publication_date":"2025-07-17","ids":{"openalex":"https://openalex.org/W4413080294","doi":"https://doi.org/10.3390/computers14070284"},"language":"en","primary_location":{"id":"doi:10.3390/computers14070284","is_oa":true,"landing_page_url":"https://doi.org/10.3390/computers14070284","pdf_url":"https://www.mdpi.com/2073-431X/14/7/284/pdf","source":{"id":"https://openalex.org/S4210228075","display_name":"Computers","issn_l":"2073-431X","issn":["2073-431X"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Computers","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.mdpi.com/2073-431X/14/7/284/pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5017983152","display_name":"Shanelle Tennekoon","orcid":"https://orcid.org/0009-0008-0517-7346"},"institutions":[{"id":"https://openalex.org/I205640436","display_name":"Curtin University","ror":"https://ror.org/02n415q13","country_code":"AU","type":"education","lineage":["https://openalex.org/I205640436"]}],"countries":["AU"],"is_corresponding":true,"raw_author_name":"Shanelle Tennekoon","raw_affiliation_strings":["School of Electrical Engineering, Computing & Mathematical Sciences, Curtin University, Bentley, WA 6102, Australia"],"raw_orcid":"https://orcid.org/0009-0008-0517-7346","affiliations":[{"raw_affiliation_string":"School of Electrical Engineering, Computing & Mathematical Sciences, Curtin University, Bentley, WA 6102, Australia","institution_ids":["https://openalex.org/I205640436"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5013645545","display_name":"Nushara Wedasingha","orcid":null},"institutions":[{"id":"https://openalex.org/I192365124","display_name":"Sri Lanka Institute of Information Technology","ror":"https://ror.org/00fhk4582","country_code":"LK","type":"education","lineage":["https://openalex.org/I192365124"]}],"countries":["LK"],"is_corresponding":false,"raw_author_name":"Nushara Wedasingha","raw_affiliation_strings":["Department of Electrical and Electronic Engineering, Center of Excellence in Informatics (CIET), Electronics & Transmission, Faculty of Engineering, Sri Lanka Institute of Information Technology, Malabe 10115, Sri Lanka"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Electronic Engineering, Center of Excellence in Informatics (CIET), Electronics & Transmission, Faculty of Engineering, Sri Lanka Institute of Information Technology, Malabe 10115, Sri Lanka","institution_ids":["https://openalex.org/I192365124"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5002370301","display_name":"Anuradhi Welhenge","orcid":"https://orcid.org/0000-0001-9219-2246"},"institutions":[{"id":"https://openalex.org/I205640436","display_name":"Curtin University","ror":"https://ror.org/02n415q13","country_code":"AU","type":"education","lineage":["https://openalex.org/I205640436"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Anuradhi Welhenge","raw_affiliation_strings":["School of Electrical Engineering, Computing & Mathematical Sciences, Curtin University, Bentley, WA 6102, Australia"],"raw_orcid":"https://orcid.org/0000-0001-9219-2246","affiliations":[{"raw_affiliation_string":"School of Electrical Engineering, Computing & Mathematical Sciences, Curtin University, Bentley, WA 6102, Australia","institution_ids":["https://openalex.org/I205640436"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5062950611","display_name":"Nimsiri Abhayasinghe","orcid":"https://orcid.org/0000-0003-4662-3214"},"institutions":[{"id":"https://openalex.org/I205640436","display_name":"Curtin University","ror":"https://ror.org/02n415q13","country_code":"AU","type":"education","lineage":["https://openalex.org/I205640436"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Nimsiri Abhayasinghe","raw_affiliation_strings":["School of Electrical Engineering, Computing & Mathematical Sciences, Curtin University, Bentley, WA 6102, Australia"],"raw_orcid":"https://orcid.org/0000-0003-4662-3214","affiliations":[{"raw_affiliation_string":"School of Electrical Engineering, Computing & Mathematical Sciences, Curtin University, Bentley, WA 6102, Australia","institution_ids":["https://openalex.org/I205640436"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5083745045","display_name":"Iain Murray","orcid":"https://orcid.org/0000-0003-1840-9624"},"institutions":[{"id":"https://openalex.org/I205640436","display_name":"Curtin University","ror":"https://ror.org/02n415q13","country_code":"AU","type":"education","lineage":["https://openalex.org/I205640436"]}],"countries":["AU"],"is_corresponding":true,"raw_author_name":"Iain Murray","raw_affiliation_strings":["School of Electrical Engineering, Computing & Mathematical Sciences, Curtin University, Bentley, WA 6102, Australia"],"raw_orcid":"https://orcid.org/0000-0003-1840-9624","affiliations":[{"raw_affiliation_string":"School of Electrical Engineering, Computing & Mathematical Sciences, Curtin University, Bentley, WA 6102, Australia","institution_ids":["https://openalex.org/I205640436"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5017983152","https://openalex.org/A5083745045"],"corresponding_institution_ids":["https://openalex.org/I205640436"],"apc_list":{"value":1800,"currency":"CHF","value_usd":2172},"apc_paid":{"value":1800,"currency":"CHF","value_usd":2172},"fwci":1.5949,"has_fulltext":true,"cited_by_count":2,"citation_normalized_percentile":{"value":0.83130623,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":97,"max":98},"biblio":{"volume":"14","issue":"7","first_page":"284","last_page":"284"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11707","display_name":"Gaze Tracking and Assistive Technology","score":0.9998000264167786,"subfield":{"id":"https://openalex.org/subfields/1709","display_name":"Human-Computer Interaction"},"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/T11707","display_name":"Gaze Tracking and Assistive Technology","score":0.9998000264167786,"subfield":{"id":"https://openalex.org/subfields/1709","display_name":"Human-Computer Interaction"},"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/T10914","display_name":"Tactile and Sensory Interactions","score":0.9987000226974487,"subfield":{"id":"https://openalex.org/subfields/2805","display_name":"Cognitive Neuroscience"},"field":{"id":"https://openalex.org/fields/28","display_name":"Neuroscience"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T10326","display_name":"Indoor and Outdoor Localization Technologies","score":0.996399998664856,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/wheelchair","display_name":"Wheelchair","score":0.7672674655914307},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7402205467224121},{"id":"https://openalex.org/keywords/tree-traversal","display_name":"Tree traversal","score":0.6813457012176514},{"id":"https://openalex.org/keywords/software-deployment","display_name":"Software deployment","score":0.6022863984107971},{"id":"https://openalex.org/keywords/context","display_name":"Context (archaeology)","score":0.5776144862174988},{"id":"https://openalex.org/keywords/human\u2013computer-interaction","display_name":"Human\u2013computer interaction","score":0.4301849901676178},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.41149765253067017},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.37136101722717285},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.32536250352859497},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.21788549423217773}],"concepts":[{"id":"https://openalex.org/C2781042323","wikidata":"https://www.wikidata.org/wiki/Q191931","display_name":"Wheelchair","level":2,"score":0.7672674655914307},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7402205467224121},{"id":"https://openalex.org/C140745168","wikidata":"https://www.wikidata.org/wiki/Q1210082","display_name":"Tree traversal","level":2,"score":0.6813457012176514},{"id":"https://openalex.org/C105339364","wikidata":"https://www.wikidata.org/wiki/Q2297740","display_name":"Software deployment","level":2,"score":0.6022863984107971},{"id":"https://openalex.org/C2779343474","wikidata":"https://www.wikidata.org/wiki/Q3109175","display_name":"Context (archaeology)","level":2,"score":0.5776144862174988},{"id":"https://openalex.org/C107457646","wikidata":"https://www.wikidata.org/wiki/Q207434","display_name":"Human\u2013computer interaction","level":1,"score":0.4301849901676178},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.41149765253067017},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.37136101722717285},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.32536250352859497},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.21788549423217773},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.0},{"id":"https://openalex.org/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","level":1,"score":0.0},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.3390/computers14070284","is_oa":true,"landing_page_url":"https://doi.org/10.3390/computers14070284","pdf_url":"https://www.mdpi.com/2073-431X/14/7/284/pdf","source":{"id":"https://openalex.org/S4210228075","display_name":"Computers","issn_l":"2073-431X","issn":["2073-431X"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Computers","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:e467da263abc49598850bf653dc2b4b6","is_oa":true,"landing_page_url":"https://doaj.org/article/e467da263abc49598850bf653dc2b4b6","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":"Computers, Vol 14, Iss 7, p 284 (2025)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.3390/computers14070284","is_oa":true,"landing_page_url":"https://doi.org/10.3390/computers14070284","pdf_url":"https://www.mdpi.com/2073-431X/14/7/284/pdf","source":{"id":"https://openalex.org/S4210228075","display_name":"Computers","issn_l":"2073-431X","issn":["2073-431X"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Computers","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4413080294.pdf","grobid_xml":"https://content.openalex.org/works/W4413080294.grobid-xml"},"referenced_works_count":54,"referenced_works":["https://openalex.org/W144956144","https://openalex.org/W1984024412","https://openalex.org/W2041600899","https://openalex.org/W2072852299","https://openalex.org/W2101077466","https://openalex.org/W2109255472","https://openalex.org/W2123215356","https://openalex.org/W2123643853","https://openalex.org/W2125691069","https://openalex.org/W2127578024","https://openalex.org/W2128296872","https://openalex.org/W2152633549","https://openalex.org/W2155031991","https://openalex.org/W2252355370","https://openalex.org/W2542179425","https://openalex.org/W2607328861","https://openalex.org/W2752782242","https://openalex.org/W2884585870","https://openalex.org/W2955639361","https://openalex.org/W2963150697","https://openalex.org/W2963163009","https://openalex.org/W2972838552","https://openalex.org/W2980612322","https://openalex.org/W3081167590","https://openalex.org/W3104218139","https://openalex.org/W3112058464","https://openalex.org/W3116258144","https://openalex.org/W3125199153","https://openalex.org/W3131594276","https://openalex.org/W3159782171","https://openalex.org/W3171635128","https://openalex.org/W3177052299","https://openalex.org/W4214520160","https://openalex.org/W4220807281","https://openalex.org/W4221008070","https://openalex.org/W4226194788","https://openalex.org/W4242562020","https://openalex.org/W4245706217","https://openalex.org/W4307271557","https://openalex.org/W4320002812","https://openalex.org/W4368240992","https://openalex.org/W4386075524","https://openalex.org/W4386076325","https://openalex.org/W4391924595","https://openalex.org/W4392172875","https://openalex.org/W4392285309","https://openalex.org/W4399207891","https://openalex.org/W4400475636","https://openalex.org/W4404180311","https://openalex.org/W4404263478","https://openalex.org/W4407107061","https://openalex.org/W4408520303","https://openalex.org/W4411939329","https://openalex.org/W6678487615"],"related_works":["https://openalex.org/W170547082","https://openalex.org/W2136735429","https://openalex.org/W4378364071","https://openalex.org/W2399287283","https://openalex.org/W1998563140","https://openalex.org/W2587876411","https://openalex.org/W2358332176","https://openalex.org/W2742303892","https://openalex.org/W4406026467","https://openalex.org/W2724219770"],"abstract_inverted_index":{"Navigating":[0],"through":[1],"doorways":[2],"remains":[3],"a":[4,22,46,85,92,123],"daily":[5],"challenge":[6],"for":[7,25,30,103,113,141],"wheelchair":[8,142],"users,":[9],"often":[10],"leading":[11],"to":[12,77,126,134],"frustration,":[13],"collisions,":[14],"or":[15],"dependence":[16],"on":[17,106],"assistance.":[18],"These":[19],"challenges":[20],"highlight":[21],"pressing":[23],"need":[24,112],"intelligent":[26],"doorway":[27,49,70,139],"detection":[28,50],"algorithm":[29],"assistive":[31],"wheelchairs":[32,79],"that":[33,72],"go":[34],"beyond":[35],"traditional":[36],"object":[37],"detection.":[38],"This":[39],"study":[40,121],"presents":[41],"the":[42,78,111],"algorithmic":[43],"development":[44],"of":[45,89,95],"lightweight,":[47],"vision-based":[48],"and":[51,60,69,91,116,130,137],"alignment":[52,71],"module":[53],"with":[54],"contextual":[55,118],"awareness.":[56],"It":[57],"integrates":[58],"channel":[59],"spatial":[61],"attention,":[62],"semantic":[63],"feature":[64],"fusion,":[65],"unsupervised":[66],"depth":[67,114],"estimation,":[68],"offers":[73,122],"real-time":[74],"navigational":[75],"guidance":[76],"control":[80],"system.":[81],"The":[82],"model":[83],"achieved":[84],"mean":[86],"average":[87],"precision":[88],"95.8%":[90],"F1":[93],"score":[94],"93%,":[96],"while":[97],"maintaining":[98],"low":[99],"computational":[100],"demands":[101],"suitable":[102],"future":[104],"deployment":[105],"embedded":[107],"systems.":[108],"By":[109],"eliminating":[110],"sensors":[115],"enabling":[117],"awareness,":[119],"this":[120],"robust":[124],"solution":[125],"improve":[127],"indoor":[128],"mobility":[129],"deliver":[131],"actionable":[132],"feedback":[133],"support":[135],"safe":[136],"independent":[138],"traversal":[140],"users.":[143]},"counts_by_year":[{"year":2026,"cited_by_count":2}],"updated_date":"2026-08-24T07:32:12.397491","created_date":"2025-10-10T00:00:00"}