{"id":"https://openalex.org/W1523985695","doi":null,"title":"Using a Smartphone App to Assist the Visually Impaired at Signalized Intersections","display_name":"Using a Smartphone App to Assist the Visually Impaired at Signalized Intersections","publication_year":2012,"publication_date":"2012-08-01","ids":{"openalex":"https://openalex.org/W1523985695","mag":"1523985695"},"language":"en","primary_location":{"id":"pmh:oai:conservancy.umn.edu:11299/132778","doi":null,"is_oa":true,"landing_page_url":"http://purl.umn.edu/132778","pdf_url":"http://purl.umn.edu/132778","source":{"id":"https://openalex.org/S4306402521","display_name":"University of Minnesota Digital Conservancy (University of Minnesota)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I130238516","host_organization_name":"University of Minnesota","host_organization_lineage":["https://openalex.org/I130238516"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Report"},"volume":null,"type":"report","is_traditional":false,"indexed_in":[],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"http://purl.umn.edu/132778","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5019868036","display_name":"Chen-Fu Liao","orcid":"https://orcid.org/0000-0002-6532-4183","observed_orcids":["https://orcid.org/0000-0002-6532-4183"]},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Chen-Fu Liao","raw_affiliation_strings":[],"raw_orcid":"https://orcid.org/0000-0002-6532-4183","affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":["https://openalex.org/A5019868036"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":true,"cited_by_count":9,"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/T12207","display_name":"Assistive Technology in Communication and Mobility","score":0.5332000255584717,"subfield":{"id":"https://openalex.org/subfields/3609","display_name":"Occupational Therapy"},"field":{"id":"https://openalex.org/fields/36","display_name":"Health Professions"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},"topics":[{"id":"https://openalex.org/T12207","display_name":"Assistive Technology in Communication and Mobility","score":0.5332000255584717,"subfield":{"id":"https://openalex.org/subfields/3609","display_name":"Occupational Therapy"},"field":{"id":"https://openalex.org/fields/36","display_name":"Health Professions"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T12481","display_name":"Digital Accessibility for Disabilities","score":0.2078000009059906,"subfield":{"id":"https://openalex.org/subfields/3307","display_name":"Human Factors and Ergonomics"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T10298","display_name":"Urban Transport and Accessibility","score":0.20029999315738678,"subfield":{"id":"https://openalex.org/subfields/3313","display_name":"Transportation"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/visually-impaired-pedestrians","display_name":"visually impaired pedestrians","score":0.8220000267028809},{"id":"https://openalex.org/keywords/blind-people","display_name":"blind people","score":0.7390000224113464},{"id":"https://openalex.org/keywords/accessible-pedestrian-signals","display_name":"accessible pedestrian signals","score":0.9100000262260437},{"id":"https://openalex.org/keywords/signalized-intersections","display_name":"signalized intersections","score":0.8289999961853027},{"id":"https://openalex.org/keywords/mobile-application","display_name":"mobile application","score":0.6499999761581421},{"id":"https://openalex.org/keywords/intersection-crossing","display_name":"intersection crossing","score":0.5879999995231628},{"id":"https://openalex.org/keywords/text-to-speech","display_name":"text-to-speech","score":0.8159999847412109},{"id":"https://openalex.org/keywords/tactile-input","display_name":"touch input","score":0.9110000133514404},{"id":"https://openalex.org/keywords/low-vision","display_name":"low vision","score":0.7269999980926514},{"id":"https://openalex.org/keywords/spatial-knowledge","display_name":"spatial knowledge","score":0.6140000224113464},{"id":"https://openalex.org/keywords/pedestrian-decision-making","display_name":"pedestrian decision-making","score":0.6079999804496765},{"id":"https://openalex.org/keywords/americans-with-disabilities-act","display_name":"Americans with Disabilities Act","score":0.5879999995231628}],"concepts":[{"id":"https://openalex.org/C3017619522","wikidata":"https://www.wikidata.org/wiki/Q620615","display_name":"Smartphone app","level":2,"score":0.6651867032051086},{"id":"https://openalex.org/C3020106864","wikidata":"https://www.wikidata.org/wiki/Q737460","display_name":"Visually impaired","level":2,"score":0.5412471294403076},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5118545889854431},{"id":"https://openalex.org/C3020250448","wikidata":"https://www.wikidata.org/wiki/Q620615","display_name":"Smartphone application","level":2,"score":0.448481947183609},{"id":"https://openalex.org/C2988145974","wikidata":"https://www.wikidata.org/wiki/Q620615","display_name":"Mobile apps","level":2,"score":0.4319894313812256},{"id":"https://openalex.org/C22212356","wikidata":"https://www.wikidata.org/wiki/Q775325","display_name":"Transport engineering","level":1,"score":0.34658774733543396},{"id":"https://openalex.org/C107457646","wikidata":"https://www.wikidata.org/wiki/Q207434","display_name":"Human\u2013computer interaction","level":1,"score":0.29435163736343384},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.2359711229801178},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.1818978488445282},{"id":"https://openalex.org/C49774154","wikidata":"https://www.wikidata.org/wiki/Q131765","display_name":"Multimedia","level":1,"score":0.15168339014053345}],"mesh":[],"locations_count":2,"locations":[{"id":"pmh:oai:conservancy.umn.edu:11299/132778","doi":null,"is_oa":true,"landing_page_url":"http://purl.umn.edu/132778","pdf_url":"http://purl.umn.edu/132778","source":{"id":"https://openalex.org/S4306402521","display_name":"University of Minnesota Digital Conservancy (University of Minnesota)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I130238516","host_organization_name":"University of Minnesota","host_organization_lineage":["https://openalex.org/I130238516"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Report"},{"id":"mag:1523985695","doi":null,"is_oa":false,"landing_page_url":"https://conservancy.umn.edu/bitstream/handle/11299/132778/CTS12-25.pdf?sequence=1&isAllowed=y","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null}],"best_oa_location":{"id":"pmh:oai:conservancy.umn.edu:11299/132778","doi":null,"is_oa":true,"landing_page_url":"http://purl.umn.edu/132778","pdf_url":"http://purl.umn.edu/132778","source":{"id":"https://openalex.org/S4306402521","display_name":"University of Minnesota Digital Conservancy (University of Minnesota)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I130238516","host_organization_name":"University of Minnesota","host_organization_lineage":["https://openalex.org/I130238516"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Report"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/11","score":0.7646999955177307,"display_name":"Sustainable cities and communities"},{"id":"https://metadata.un.org/sdg/10","score":0.5676000118255615,"display_name":"Reduced inequalities"},{"id":"https://metadata.un.org/sdg/3","score":0.4000000059604645,"display_name":"Good health and well-being"}],"study_designs":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320306108","display_name":"U.S. Department of Transportation","ror":"https://ror.org/02xfw2e90"},{"id":"https://openalex.org/F4320309636","display_name":"University of Minnesota","ror":"https://ror.org/03grvy078"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W1523985695.pdf","grobid_xml":"https://content.openalex.org/works/W1523985695.grobid-xml"},"referenced_works_count":60,"referenced_works":["https://openalex.org/W3951449","https://openalex.org/W12181516","https://openalex.org/W29717476","https://openalex.org/W108443521","https://openalex.org/W115279027","https://openalex.org/W125475108","https://openalex.org/W217761203","https://openalex.org/W235721883","https://openalex.org/W259190603","https://openalex.org/W334862092","https://openalex.org/W606537248","https://openalex.org/W641522780","https://openalex.org/W649499765","https://openalex.org/W657446421","https://openalex.org/W808808745","https://openalex.org/W1504536910","https://openalex.org/W1523698354","https://openalex.org/W1542519400","https://openalex.org/W1568374706","https://openalex.org/W1570840820","https://openalex.org/W1584238570","https://openalex.org/W1915495511","https://openalex.org/W1933704425","https://openalex.org/W1978221502","https://openalex.org/W1985533383","https://openalex.org/W1987175205","https://openalex.org/W1989453879","https://openalex.org/W1991049577","https://openalex.org/W1992063052","https://openalex.org/W2002236894","https://openalex.org/W2010881674","https://openalex.org/W2012333638","https://openalex.org/W2017967298","https://openalex.org/W2020856473","https://openalex.org/W2026032965","https://openalex.org/W2033278145","https://openalex.org/W2040560153","https://openalex.org/W2050299279","https://openalex.org/W2058963937","https://openalex.org/W2067520390","https://openalex.org/W2068960626","https://openalex.org/W2075953482","https://openalex.org/W2079196769","https://openalex.org/W2097397260","https://openalex.org/W2099866819","https://openalex.org/W2109817837","https://openalex.org/W2111026707","https://openalex.org/W2122570643","https://openalex.org/W2125414094","https://openalex.org/W2139614930","https://openalex.org/W2145828958","https://openalex.org/W2156271471","https://openalex.org/W2158874914","https://openalex.org/W2159306398","https://openalex.org/W2602301302","https://openalex.org/W2991910472","https://openalex.org/W3082412448","https://openalex.org/W3196503446","https://openalex.org/W3197495519","https://openalex.org/W4321508265"],"related_works":["https://openalex.org/W7099742421","https://openalex.org/W2130942599","https://openalex.org/W1542519400","https://openalex.org/W1899671735","https://openalex.org/W4405654251","https://openalex.org/W3162689369","https://openalex.org/W3011542871","https://openalex.org/W314596958","https://openalex.org/W1775112826","https://openalex.org/W7100282695"],"abstract_inverted_index":{"The":[0],"blind":[1,92,98,195],"and":[2,10,60,62,93,99,114,135,155,164,173,192,196,206],"Visually":[3],"Impaired":[4],"(VI)":[5],"rely":[6],"heavily":[7],"on":[8],"walking":[9],"public":[11],"transit":[12],"for":[13,20,57,90],"their":[14,200,215],"transportation":[15],"needs.":[16],"A":[17,159],"\\nmajor":[18],"challenge":[19],"this":[21],"population":[22],"is":[23,147],"safe":[24],"crossing":[25],"of":[26,31,76,107,170],"intersections.":[27,144,183],"As":[28,74],"a":[29,82,127],"result":[30],"the":[32,91,168,177,189,208],"American":[33],"with":[34,71],"Disabilities":[35],"\\nAct":[36],"(ADA),":[37],"Accessible":[38,85],"Pedestrian":[39,86],"Signal":[40,87],"(APS)":[41],"systems":[42,53],"at":[43,111,142,181,218],"signalized":[44,143,182],"intersections":[45],"have":[46,55],"improved":[47],"significantly":[48],"\\nsince":[49],"2000.":[50],"However,":[51],"these":[52,124],"still":[54],"shortcomings":[56],"both":[58],"users":[59,141],"municipalities,":[61],"new":[63],"approaches":[64],"\\nare":[65],"needed":[66],"to":[67,80,102,115,139,166,176,213],"adequately":[68],"serve":[69],"pedestrians":[70],"low":[72],"vision.":[73],"part":[75],"our":[77],"ongoing":[78],"effort":[79],"develop":[81],"prototype":[83,129,161],"\\nMobile":[84],"(MAPS)":[88],"application":[89],"VI,":[94],"we":[95],"interviewed":[96],"ten":[97],"lowvision":[100],"\\npeople":[101],"better":[103],"understand":[104],"what":[105],"types":[106,118],"information":[108,138,175],"they":[109],"use":[110],"intersection":[112,136,205,219],"crossings":[113],"identify":[116],"\\ninformation":[117],"that":[119,132],"could":[120],"assist":[121],"them.":[122],"With":[123],"survey":[125],"results,":[126],"MAPS":[128,160,191,209],"was":[130,162],"developed":[131,190],"provides":[133],"\\nsignal":[134],"geometry":[137],"Smartphone":[140],"User":[145],"interaction":[146],"via":[148],"\\nsimple":[149],"tactile":[150],"input":[151],"(single":[152],"or":[153],"double-tap)":[154],"Text-To-Speech":[156],"(TTS)":[157],"technology.":[158],"\\ndeveloped":[163],"tested":[165],"evaluate":[167],"functionalities":[169],"providing":[171],"signal":[172],"orientation":[174],"visually":[178],"\\nimpaired":[179],"travelers":[180],"This":[184],"proposal":[185],"will":[186],"build":[187],"upon":[188],"investigate":[193],"\\nhow":[194],"low-vision":[197],"individuals":[198],"gain":[199],"spatial":[201],"knowledge":[202],"surrounding":[203],"an":[204],"how":[207],"\\ncan":[210],"be":[211],"used":[212],"support":[214],"decision-making":[216],"strategy":[217],"crossings.":[220]},"counts_by_year":[{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":1},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":2},{"year":2013,"cited_by_count":1}],"updated_date":"2026-10-12T09:40:04.860316","created_date":"2016-06-24T00:00:00"}