{"id":"https://openalex.org/W2318964089","doi":"https://doi.org/10.1109/jsyst.2014.2320639","title":"Navigation Assistance for the Visually Impaired Using RGB-D Sensor With Range Expansion","display_name":"Navigation Assistance for the Visually Impaired Using RGB-D Sensor With Range Expansion","publication_year":2014,"publication_date":"2014-05-22","ids":{"openalex":"https://openalex.org/W2318964089","doi":"https://doi.org/10.1109/jsyst.2014.2320639","mag":"2318964089"},"language":"en","primary_location":{"id":"doi:10.1109/jsyst.2014.2320639","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jsyst.2014.2320639","pdf_url":null,"source":{"id":"https://openalex.org/S95999327","display_name":"IEEE Systems Journal","issn_l":"1932-8184","issn":["1932-8184","1937-9234","2373-7816"],"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 Systems Journal","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/A5042671737","display_name":"Aitor Aladren","orcid":null},"institutions":[{"id":"https://openalex.org/I255234318","display_name":"Universidad de Zaragoza","ror":"https://ror.org/012a91z28","country_code":"ES","type":"education","lineage":["https://openalex.org/I255234318"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"A. Aladren","raw_affiliation_strings":["Instituto Universitario de Investigaci\u00f3n en Ingenier\u00eda de Arag\u00f3n, Universidad de Zaragoza, Zaragoza, Spain"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Instituto Universitario de Investigaci\u00f3n en Ingenier\u00eda de Arag\u00f3n, Universidad de Zaragoza, Zaragoza, Spain","institution_ids":["https://openalex.org/I255234318"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5077412220","display_name":"Gonzalo L\u00f3pez\u2010Nicol\u00e1s","orcid":"https://orcid.org/0000-0001-9347-5969"},"institutions":[{"id":"https://openalex.org/I255234318","display_name":"Universidad de Zaragoza","ror":"https://ror.org/012a91z28","country_code":"ES","type":"education","lineage":["https://openalex.org/I255234318"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"G. Lopez-Nicolas","raw_affiliation_strings":["Instituto Universitario de Investigaci\u00f3n en Ingenier\u00eda de Arag\u00f3n, Universidad de Zaragoza, Zaragoza, Spain"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Instituto Universitario de Investigaci\u00f3n en Ingenier\u00eda de Arag\u00f3n, Universidad de Zaragoza, Zaragoza, Spain","institution_ids":["https://openalex.org/I255234318"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102864190","display_name":"Luis Puig","orcid":"https://orcid.org/0000-0001-5025-5229"},"institutions":[{"id":"https://openalex.org/I79576946","display_name":"University of Pennsylvania","ror":"https://ror.org/00b30xv10","country_code":"US","type":"education","lineage":["https://openalex.org/I79576946"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Luis Puig","raw_affiliation_strings":["General Robotics, Automation, Sensing and Perception Laboratory, University of Pennsylvania, Philadelphia, PA, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"General Robotics, Automation, Sensing and Perception Laboratory, University of Pennsylvania, Philadelphia, PA, USA","institution_ids":["https://openalex.org/I79576946"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5113719254","display_name":"Josechu Guerrero","orcid":null},"institutions":[{"id":"https://openalex.org/I255234318","display_name":"Universidad de Zaragoza","ror":"https://ror.org/012a91z28","country_code":"ES","type":"education","lineage":["https://openalex.org/I255234318"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Josechu J. Guerrero","raw_affiliation_strings":["Instituto Universitario de Investigaci\u00f3n en Ingenier\u00eda de Arag\u00f3n, Universidad de Zaragoza, Zaragoza, Spain"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Instituto Universitario de Investigaci\u00f3n en Ingenier\u00eda de Arag\u00f3n, Universidad de Zaragoza, Zaragoza, Spain","institution_ids":["https://openalex.org/I255234318"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":6.0336,"has_fulltext":false,"cited_by_count":230,"citation_normalized_percentile":{"value":0.97095591,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":99,"max":100},"biblio":{"volume":"10","issue":"3","first_page":"922","last_page":"932"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10914","display_name":"Tactile and Sensory Interactions","score":0.9998999834060669,"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":0.9998999834060669,"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/T10191","display_name":"Robotics and Sensor-Based Localization","score":0.996999979019165,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10331","display_name":"Video Surveillance and Tracking Methods","score":0.996399998664856,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.7924556732177734},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7268972396850586},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.6850349307060242},{"id":"https://openalex.org/keywords/obstacle","display_name":"Obstacle","score":0.5392026305198669},{"id":"https://openalex.org/keywords/rgb-color-model","display_name":"RGB color model","score":0.521252453327179},{"id":"https://openalex.org/keywords/range","display_name":"Range (aeronautics)","score":0.48783019185066223},{"id":"https://openalex.org/keywords/segmentation","display_name":"Segmentation","score":0.4611971378326416},{"id":"https://openalex.org/keywords/obstacle-avoidance","display_name":"Obstacle avoidance","score":0.4359390437602997},{"id":"https://openalex.org/keywords/ranging","display_name":"Ranging","score":0.4322681725025177},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.1732446551322937},{"id":"https://openalex.org/keywords/mobile-robot","display_name":"Mobile robot","score":0.12812039256095886},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.11449733376502991}],"concepts":[{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.7924556732177734},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7268972396850586},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.6850349307060242},{"id":"https://openalex.org/C2776650193","wikidata":"https://www.wikidata.org/wiki/Q264661","display_name":"Obstacle","level":2,"score":0.5392026305198669},{"id":"https://openalex.org/C82990744","wikidata":"https://www.wikidata.org/wiki/Q166194","display_name":"RGB color model","level":2,"score":0.521252453327179},{"id":"https://openalex.org/C204323151","wikidata":"https://www.wikidata.org/wiki/Q905424","display_name":"Range (aeronautics)","level":2,"score":0.48783019185066223},{"id":"https://openalex.org/C89600930","wikidata":"https://www.wikidata.org/wiki/Q1423946","display_name":"Segmentation","level":2,"score":0.4611971378326416},{"id":"https://openalex.org/C6683253","wikidata":"https://www.wikidata.org/wiki/Q7075535","display_name":"Obstacle avoidance","level":4,"score":0.4359390437602997},{"id":"https://openalex.org/C115051666","wikidata":"https://www.wikidata.org/wiki/Q6522493","display_name":"Ranging","level":2,"score":0.4322681725025177},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.1732446551322937},{"id":"https://openalex.org/C19966478","wikidata":"https://www.wikidata.org/wiki/Q4810574","display_name":"Mobile robot","level":3,"score":0.12812039256095886},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.11449733376502991},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.0},{"id":"https://openalex.org/C166957645","wikidata":"https://www.wikidata.org/wiki/Q23498","display_name":"Archaeology","level":1,"score":0.0},{"id":"https://openalex.org/C146978453","wikidata":"https://www.wikidata.org/wiki/Q3798668","display_name":"Aerospace engineering","level":1,"score":0.0},{"id":"https://openalex.org/C90509273","wikidata":"https://www.wikidata.org/wiki/Q11012","display_name":"Robot","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/jsyst.2014.2320639","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jsyst.2014.2320639","pdf_url":null,"source":{"id":"https://openalex.org/S95999327","display_name":"IEEE Systems Journal","issn_l":"1932-8184","issn":["1932-8184","1937-9234","2373-7816"],"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 Systems Journal","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320335322","display_name":"European Regional Development Fund","ror":"https://ror.org/00k4n6c32"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":40,"referenced_works":["https://openalex.org/W97351935","https://openalex.org/W1480505227","https://openalex.org/W1789601620","https://openalex.org/W1973859698","https://openalex.org/W1980762229","https://openalex.org/W1997416129","https://openalex.org/W2004239997","https://openalex.org/W2011857665","https://openalex.org/W2017230080","https://openalex.org/W2026131180","https://openalex.org/W2037926658","https://openalex.org/W2067912884","https://openalex.org/W2083347703","https://openalex.org/W2085261163","https://openalex.org/W2095670663","https://openalex.org/W2096579040","https://openalex.org/W2100522187","https://openalex.org/W2109815793","https://openalex.org/W2110946546","https://openalex.org/W2111073598","https://openalex.org/W2116851763","https://openalex.org/W2121336386","https://openalex.org/W2121750470","https://openalex.org/W2123436043","https://openalex.org/W2125069987","https://openalex.org/W2127997524","https://openalex.org/W2133496072","https://openalex.org/W2135203562","https://openalex.org/W2143718357","https://openalex.org/W2145023731","https://openalex.org/W2147891698","https://openalex.org/W2160707421","https://openalex.org/W2395688430","https://openalex.org/W2532695019","https://openalex.org/W2534523274","https://openalex.org/W3205702672","https://openalex.org/W4237301033","https://openalex.org/W6654638461","https://openalex.org/W6676797363","https://openalex.org/W6679820939"],"related_works":["https://openalex.org/W2930076404","https://openalex.org/W4253519380","https://openalex.org/W2071957557","https://openalex.org/W2596413128","https://openalex.org/W4391249562","https://openalex.org/W2356867392","https://openalex.org/W2782776446","https://openalex.org/W3043170174","https://openalex.org/W2155948905","https://openalex.org/W2357323510"],"abstract_inverted_index":{"Navigation":[0],"assistance":[1],"for":[2,38],"visually":[3],"impaired":[4],"(NAVI)":[5],"refers":[6],"to":[7,12,24,104,153],"systems":[8],"that":[9,179],"are":[10],"able":[11],"assist":[13],"or":[14],"guide":[15],"people":[16],"with":[17,81,110,129,148],"vision":[18],"loss,":[19],"ranging":[20],"from":[21],"partially":[22],"sighted":[23],"totally":[25],"blind,":[26],"by":[27],"means":[28],"of":[29,49,64,78,89,142,169],"sound":[30],"commands.":[31],"In":[32,70],"this":[33],"paper,":[34],"a":[35,57,105,166],"new":[36],"system":[37,134,161,181],"NAVI":[39],"is":[40,75,100,108,125,182],"presented":[41],"based":[42],"on":[43,165],"visual":[44,68,113],"and":[45,61,67,121,127,136,171,177,184],"range":[46,66],"information.":[47,69,114,131],"Instead":[48],"using":[50],"several":[51],"sensors,":[52],"we":[53],"choose":[54],"one":[55,95],"device,":[56],"consumer":[58],"RGB-D":[59],"camera,":[60],"take":[62],"advantage":[63],"both":[65],"particular,":[71],"the":[72,76,86,90,111,116,119,138,143,146,180],"main":[73,139],"contribution":[74],"combination":[77],"depth":[79,97,130],"information":[80],"image":[82,123],"intensities,":[83],"resulting":[84],"in":[85,151,186],"robust":[87,183],"expansion":[88],"range-based":[91],"floor":[92],"segmentation.":[93],"On":[94,115],"hand,":[96,118],"information,":[98],"which":[99],"reliable":[101],"but":[102],"limited":[103],"short":[106],"range,":[107],"enhanced":[109],"long-range":[112],"other":[117],"difficult":[120],"prone-to-error":[122],"processing":[124],"eased":[126],"improved":[128],"The":[132,159],"proposed":[133,160],"detects":[135],"classifies":[137],"structural":[140],"elements":[141],"scene":[144],"providing":[145],"user":[147],"obstacle-free":[149],"paths":[150],"order":[152],"navigate":[154],"safely":[155],"across":[156],"unknown":[157],"scenarios.":[158],"has":[162],"been":[163],"tested":[164],"wide":[167],"variety":[168],"scenarios":[170],"data":[172],"sets,":[173],"giving":[174],"successful":[175],"results":[176],"showing":[178],"works":[185],"challenging":[187],"indoor":[188],"environments.":[189]},"counts_by_year":[{"year":2026,"cited_by_count":4},{"year":2025,"cited_by_count":12},{"year":2024,"cited_by_count":24},{"year":2023,"cited_by_count":28},{"year":2022,"cited_by_count":27},{"year":2021,"cited_by_count":27},{"year":2020,"cited_by_count":19},{"year":2019,"cited_by_count":32},{"year":2018,"cited_by_count":20},{"year":2017,"cited_by_count":18},{"year":2016,"cited_by_count":8},{"year":2015,"cited_by_count":11}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}