{"id":"https://openalex.org/W2795384469","doi":"https://doi.org/10.1109/mce.2018.2797741","title":"Improving Mobility for the Visually Impaired: A Wearable Indoor Positioning System Based on Visual Markers","display_name":"Improving Mobility for the Visually Impaired: A Wearable Indoor Positioning System Based on Visual Markers","publication_year":2018,"publication_date":"2018-04-06","ids":{"openalex":"https://openalex.org/W2795384469","doi":"https://doi.org/10.1109/mce.2018.2797741","mag":"2795384469"},"language":"en","primary_location":{"id":"doi:10.1109/mce.2018.2797741","is_oa":false,"landing_page_url":"https://doi.org/10.1109/mce.2018.2797741","pdf_url":null,"source":{"id":"https://openalex.org/S2483040032","display_name":"IEEE Consumer Electronics Magazine","issn_l":"2162-2248","issn":["2162-2248","2162-2256"],"is_oa":false,"is_in_doaj":false,"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":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Consumer Electronics Magazine","raw_type":"journal-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/A5045088346","display_name":"Chih-Wei Lee","orcid":null},"institutions":[{"id":"https://openalex.org/I154864474","display_name":"National Taiwan University of Science and Technology","ror":"https://ror.org/00q09pe49","country_code":"TW","type":"education","lineage":["https://openalex.org/I154864474"]}],"countries":["TW"],"is_corresponding":true,"raw_author_name":"Chih-Wei Lee","raw_affiliation_strings":["Electronic and computer engineering, National Taiwan University of Science and Technology"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Electronic and computer engineering, National Taiwan University of Science and Technology","institution_ids":["https://openalex.org/I154864474"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5045613326","display_name":"Peter Chondro","orcid":"https://orcid.org/0000-0002-9770-026X"},"institutions":[{"id":"https://openalex.org/I154864474","display_name":"National Taiwan University of Science and Technology","ror":"https://ror.org/00q09pe49","country_code":"TW","type":"education","lineage":["https://openalex.org/I154864474"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Peter Chondro","raw_affiliation_strings":["Electronic and computer engineering, National Taiwan University of Science and Technology"],"raw_orcid":"https://orcid.org/0000-0002-9770-026X","affiliations":[{"raw_affiliation_string":"Electronic and computer engineering, National Taiwan University of Science and Technology","institution_ids":["https://openalex.org/I154864474"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5026137532","display_name":"Shanq-Jang Ruan","orcid":"https://orcid.org/0000-0003-1075-8512"},"institutions":[{"id":"https://openalex.org/I154864474","display_name":"National Taiwan University of Science and Technology","ror":"https://ror.org/00q09pe49","country_code":"TW","type":"education","lineage":["https://openalex.org/I154864474"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Shanq-Jang Ruan","raw_affiliation_strings":["Electronic and computer engineering, National Taiwan University of Science and Technology"],"raw_orcid":"https://orcid.org/0000-0003-1075-8512","affiliations":[{"raw_affiliation_string":"Electronic and computer engineering, National Taiwan University of Science and Technology","institution_ids":["https://openalex.org/I154864474"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5090714409","display_name":"Oliver Christen","orcid":null},"institutions":[{"id":"https://openalex.org/I4210113269","display_name":"Hochschule Niederrhein","ror":"https://ror.org/027b9qx26","country_code":"DE","type":"education","lineage":["https://openalex.org/I4210113269"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Oliver Christen","raw_affiliation_strings":["Institute for Pattern Recognition, Niederrhein University of Applied Sciences, Krefeld, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute for Pattern Recognition, Niederrhein University of Applied Sciences, Krefeld, Germany","institution_ids":["https://openalex.org/I4210113269"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5064183605","display_name":"Edwin Naroska","orcid":"https://orcid.org/0009-0004-8742-4566"},"institutions":[{"id":"https://openalex.org/I4210113269","display_name":"Hochschule Niederrhein","ror":"https://ror.org/027b9qx26","country_code":"DE","type":"education","lineage":["https://openalex.org/I4210113269"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Edwin Naroska","raw_affiliation_strings":["University for Applied Sciences Niederrhein, Krefeld, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University for Applied Sciences Niederrhein, Krefeld, Germany","institution_ids":["https://openalex.org/I4210113269"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5045088346"],"corresponding_institution_ids":["https://openalex.org/I154864474"],"apc_list":null,"apc_paid":null,"fwci":2.418,"has_fulltext":false,"cited_by_count":31,"citation_normalized_percentile":{"value":0.88572479,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":99},"biblio":{"volume":"7","issue":"3","first_page":"12","last_page":"20"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10914","display_name":"Tactile and Sensory Interactions","score":0.9997000098228455,"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"}},"topics":[{"id":"https://openalex.org/T10914","display_name":"Tactile and Sensory Interactions","score":0.9997000098228455,"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/T10331","display_name":"Video Surveillance and Tracking Methods","score":0.9993000030517578,"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"}},{"id":"https://openalex.org/T12546","display_name":"Smart Parking Systems Research","score":0.9986000061035156,"subfield":{"id":"https://openalex.org/subfields/2215","display_name":"Building and Construction"},"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/computer-science","display_name":"Computer science","score":0.7979539036750793},{"id":"https://openalex.org/keywords/wearable-computer","display_name":"Wearable computer","score":0.7260196208953857},{"id":"https://openalex.org/keywords/obstacle","display_name":"Obstacle","score":0.6787645816802979},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.5616121292114258},{"id":"https://openalex.org/keywords/ultrasonic-sensor","display_name":"Ultrasonic sensor","score":0.5095174908638},{"id":"https://openalex.org/keywords/power-consumption","display_name":"Power consumption","score":0.4906364977359772},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.48836442828178406},{"id":"https://openalex.org/keywords/visually-impaired","display_name":"Visually impaired","score":0.48711347579956055},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.470130056142807},{"id":"https://openalex.org/keywords/mobile-phone","display_name":"Mobile phone","score":0.4308810830116272},{"id":"https://openalex.org/keywords/indoor-positioning-system","display_name":"Indoor positioning system","score":0.41176557540893555},{"id":"https://openalex.org/keywords/embedded-system","display_name":"Embedded system","score":0.3770163655281067},{"id":"https://openalex.org/keywords/power","display_name":"Power (physics)","score":0.2648913860321045},{"id":"https://openalex.org/keywords/human\u2013computer-interaction","display_name":"Human\u2013computer interaction","score":0.11327317357063293},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.10072091221809387},{"id":"https://openalex.org/keywords/acoustics","display_name":"Acoustics","score":0.08253318071365356},{"id":"https://openalex.org/keywords/accelerometer","display_name":"Accelerometer","score":0.08001309633255005}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7979539036750793},{"id":"https://openalex.org/C150594956","wikidata":"https://www.wikidata.org/wiki/Q1334829","display_name":"Wearable computer","level":2,"score":0.7260196208953857},{"id":"https://openalex.org/C2776650193","wikidata":"https://www.wikidata.org/wiki/Q264661","display_name":"Obstacle","level":2,"score":0.6787645816802979},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.5616121292114258},{"id":"https://openalex.org/C81288441","wikidata":"https://www.wikidata.org/wiki/Q20736125","display_name":"Ultrasonic sensor","level":2,"score":0.5095174908638},{"id":"https://openalex.org/C2984118289","wikidata":"https://www.wikidata.org/wiki/Q29954","display_name":"Power consumption","level":3,"score":0.4906364977359772},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.48836442828178406},{"id":"https://openalex.org/C3020106864","wikidata":"https://www.wikidata.org/wiki/Q737460","display_name":"Visually impaired","level":2,"score":0.48711347579956055},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.470130056142807},{"id":"https://openalex.org/C2777421447","wikidata":"https://www.wikidata.org/wiki/Q17517","display_name":"Mobile phone","level":2,"score":0.4308810830116272},{"id":"https://openalex.org/C2777486483","wikidata":"https://www.wikidata.org/wiki/Q6026477","display_name":"Indoor positioning system","level":3,"score":0.41176557540893555},{"id":"https://openalex.org/C149635348","wikidata":"https://www.wikidata.org/wiki/Q193040","display_name":"Embedded system","level":1,"score":0.3770163655281067},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.2648913860321045},{"id":"https://openalex.org/C107457646","wikidata":"https://www.wikidata.org/wiki/Q207434","display_name":"Human\u2013computer interaction","level":1,"score":0.11327317357063293},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.10072091221809387},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.08253318071365356},{"id":"https://openalex.org/C89805583","wikidata":"https://www.wikidata.org/wiki/Q192940","display_name":"Accelerometer","level":2,"score":0.08001309633255005},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0},{"id":"https://openalex.org/C199539241","wikidata":"https://www.wikidata.org/wiki/Q7748","display_name":"Law","level":1,"score":0.0},{"id":"https://openalex.org/C17744445","wikidata":"https://www.wikidata.org/wiki/Q36442","display_name":"Political science","level":0,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/mce.2018.2797741","is_oa":false,"landing_page_url":"https://doi.org/10.1109/mce.2018.2797741","pdf_url":null,"source":{"id":"https://openalex.org/S2483040032","display_name":"IEEE Consumer Electronics Magazine","issn_l":"2162-2248","issn":["2162-2248","2162-2256"],"is_oa":false,"is_in_doaj":false,"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":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Consumer Electronics Magazine","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Affordable and clean energy","id":"https://metadata.un.org/sdg/7","score":0.8999999761581421}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":26,"referenced_works":["https://openalex.org/W1983247940","https://openalex.org/W1985723138","https://openalex.org/W2000847282","https://openalex.org/W2015071746","https://openalex.org/W2052533453","https://openalex.org/W2067379728","https://openalex.org/W2083988561","https://openalex.org/W2092434509","https://openalex.org/W2094842773","https://openalex.org/W2108432483","https://openalex.org/W2125188427","https://openalex.org/W2126026839","https://openalex.org/W2128861696","https://openalex.org/W2138998224","https://openalex.org/W2143941749","https://openalex.org/W2147658328","https://openalex.org/W2150581781","https://openalex.org/W2152766777","https://openalex.org/W2165558283","https://openalex.org/W2169582170","https://openalex.org/W2244099132","https://openalex.org/W2257516762","https://openalex.org/W2561304097","https://openalex.org/W2566975512","https://openalex.org/W6691053661","https://openalex.org/W6692104716"],"related_works":["https://openalex.org/W2794103424","https://openalex.org/W1996530509","https://openalex.org/W4245435724","https://openalex.org/W3028317537","https://openalex.org/W2389515972","https://openalex.org/W2055301889","https://openalex.org/W1505959757","https://openalex.org/W2376554934","https://openalex.org/W2077790809","https://openalex.org/W2906246018"],"abstract_inverted_index":{"This":[0],"article":[1],"presents":[2],"an":[3],"indoor":[4],"positioning":[5,72],"system":[6,29,73,105],"based":[7],"on":[8,14,52],"camera":[9],"and":[10,74,111,117],"ultrasonic":[11],"sensors":[12],"mounted":[13],"a":[15,31,43,53,93],"pair":[16],"of":[17,46,68],"glasses":[18],"that":[19,34,102],"is":[20,35,106],"specifically":[21],"designed":[22],"for":[23],"visually":[24],"impaired":[25],"individuals.":[26],"The":[27,71,86,99],"proposed":[28,104],"incorporates":[30],"recognition":[32],"algorithm":[33],"able":[36,107],"to":[37,63,80,92,96,108],"recognize":[38,109],"certain":[39],"color-coded":[40],"markers":[41,110],"with":[42,114],"detectable":[44],"range":[45],"15":[47],"m":[48],"in":[49,66,84],"real":[50],"time":[51],"quad-core":[54],"embedded":[55],"processor.":[56],"In":[57],"addition,":[58],"microultrasonic":[59],"transducers":[60],"are":[61,89],"implemented":[62],"detect":[64,112],"obstacles":[65,113],"front":[67],"the":[69,103],"glasses.":[70],"obstacle":[75],"detection":[76],"can":[77],"be":[78,97],"adjusted":[79],"work":[81],"independently":[82],"or":[83],"parallel.":[85],"sensor":[87],"data":[88],"then":[90],"transmitted":[91],"mobile":[94],"phone":[95],"processed.":[98],"results":[100],"show":[101],"low":[115],"complexity":[116],"power":[118],"consumption.":[119]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":4},{"year":2022,"cited_by_count":4},{"year":2021,"cited_by_count":4},{"year":2020,"cited_by_count":10},{"year":2019,"cited_by_count":4},{"year":2018,"cited_by_count":1}],"updated_date":"2026-03-27T05:58:40.876381","created_date":"2025-10-10T00:00:00"}