{"id":"https://openalex.org/W2117301636","doi":"https://doi.org/10.1145/2425836.2425898","title":"A miniature head-mounted camera for measuring eye closure","display_name":"A miniature head-mounted camera for measuring eye closure","publication_year":2012,"publication_date":"2012-11-26","ids":{"openalex":"https://openalex.org/W2117301636","doi":"https://doi.org/10.1145/2425836.2425898","mag":"2117301636"},"language":"en","primary_location":{"id":"doi:10.1145/2425836.2425898","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2425836.2425898","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 27th Conference on Image and Vision Computing New Zealand","raw_type":"proceedings-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/A5081589263","display_name":"Simon J. Knopp","orcid":null},"institutions":[{"id":"https://openalex.org/I185492890","display_name":"University of Canterbury","ror":"https://ror.org/03y7q9t39","country_code":"NZ","type":"education","lineage":["https://openalex.org/I185492890"]}],"countries":["NZ"],"is_corresponding":false,"raw_author_name":"Simon J. Knopp","raw_affiliation_strings":["University of Canterbury","University of Canterbury,"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Canterbury","institution_ids":["https://openalex.org/I185492890"]},{"raw_affiliation_string":"University of Canterbury,","institution_ids":["https://openalex.org/I185492890"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5049612660","display_name":"Philip J. Bones","orcid":"https://orcid.org/0000-0003-1611-7601"},"institutions":[{"id":"https://openalex.org/I185492890","display_name":"University of Canterbury","ror":"https://ror.org/03y7q9t39","country_code":"NZ","type":"education","lineage":["https://openalex.org/I185492890"]}],"countries":["NZ"],"is_corresponding":false,"raw_author_name":"Philip J. Bones","raw_affiliation_strings":["University of Canterbury","University of Canterbury,"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Canterbury","institution_ids":["https://openalex.org/I185492890"]},{"raw_affiliation_string":"University of Canterbury,","institution_ids":["https://openalex.org/I185492890"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5069800963","display_name":"Stephen J. Weddell","orcid":"https://orcid.org/0000-0002-2345-0077"},"institutions":[{"id":"https://openalex.org/I185492890","display_name":"University of Canterbury","ror":"https://ror.org/03y7q9t39","country_code":"NZ","type":"education","lineage":["https://openalex.org/I185492890"]}],"countries":["NZ"],"is_corresponding":false,"raw_author_name":"Stephen J. Weddell","raw_affiliation_strings":["University of Canterbury","University of Canterbury,"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Canterbury","institution_ids":["https://openalex.org/I185492890"]},{"raw_affiliation_string":"University of Canterbury,","institution_ids":["https://openalex.org/I185492890"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5041120158","display_name":"Carrie Innes","orcid":"https://orcid.org/0000-0003-4230-7791"},"institutions":[{"id":"https://openalex.org/I4210099107","display_name":"New Zealand Brain Research Institute","ror":"https://ror.org/01141nq92","country_code":"NZ","type":"facility","lineage":["https://openalex.org/I4210099107"]}],"countries":["NZ"],"is_corresponding":false,"raw_author_name":"Carrie R. H. Innes","raw_affiliation_strings":["NZ Brain Research Institute"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"NZ Brain Research Institute","institution_ids":["https://openalex.org/I4210099107"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5088922632","display_name":"Richard D. Jones","orcid":"https://orcid.org/0000-0003-2287-3358"},"institutions":[{"id":"https://openalex.org/I185492890","display_name":"University of Canterbury","ror":"https://ror.org/03y7q9t39","country_code":"NZ","type":"education","lineage":["https://openalex.org/I185492890"]}],"countries":["NZ"],"is_corresponding":false,"raw_author_name":"Richard D. Jones","raw_affiliation_strings":["University of Canterbury","University of Canterbury,"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Canterbury","institution_ids":["https://openalex.org/I185492890"]},{"raw_affiliation_string":"University of Canterbury,","institution_ids":["https://openalex.org/I185492890"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.2887,"has_fulltext":false,"cited_by_count":5,"citation_normalized_percentile":{"value":0.61140019,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":null,"issue":null,"first_page":"313","last_page":"318"},"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/T10997","display_name":"Ocular Surface and Contact Lens","score":0.9890999794006348,"subfield":{"id":"https://openalex.org/subfields/2739","display_name":"Public Health, Environmental and Occupational Health"},"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/T10250","display_name":"Glaucoma and retinal disorders","score":0.9843999743461609,"subfield":{"id":"https://openalex.org/subfields/2731","display_name":"Ophthalmology"},"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/computer-vision","display_name":"Computer vision","score":0.7807994484901428},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.6978846788406372},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6462929844856262},{"id":"https://openalex.org/keywords/pupil","display_name":"Pupil","score":0.6044123768806458},{"id":"https://openalex.org/keywords/head","display_name":"Head (geology)","score":0.5655707716941833},{"id":"https://openalex.org/keywords/video-camera","display_name":"Video camera","score":0.5594670176506042},{"id":"https://openalex.org/keywords/computer-graphics","display_name":"Computer graphics (images)","score":0.4464768171310425},{"id":"https://openalex.org/keywords/component","display_name":"Component (thermodynamics)","score":0.43899279832839966},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.19461700320243835},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.09469062089920044},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.06806585192680359}],"concepts":[{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.7807994484901428},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.6978846788406372},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6462929844856262},{"id":"https://openalex.org/C2777394604","wikidata":"https://www.wikidata.org/wiki/Q173318","display_name":"Pupil","level":2,"score":0.6044123768806458},{"id":"https://openalex.org/C2780312720","wikidata":"https://www.wikidata.org/wiki/Q5689100","display_name":"Head (geology)","level":2,"score":0.5655707716941833},{"id":"https://openalex.org/C2778852477","wikidata":"https://www.wikidata.org/wiki/Q313614","display_name":"Video camera","level":2,"score":0.5594670176506042},{"id":"https://openalex.org/C121684516","wikidata":"https://www.wikidata.org/wiki/Q7600677","display_name":"Computer graphics (images)","level":1,"score":0.4464768171310425},{"id":"https://openalex.org/C168167062","wikidata":"https://www.wikidata.org/wiki/Q1117970","display_name":"Component (thermodynamics)","level":2,"score":0.43899279832839966},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.19461700320243835},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.09469062089920044},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.06806585192680359},{"id":"https://openalex.org/C97355855","wikidata":"https://www.wikidata.org/wiki/Q11473","display_name":"Thermodynamics","level":1,"score":0.0},{"id":"https://openalex.org/C114793014","wikidata":"https://www.wikidata.org/wiki/Q52109","display_name":"Geomorphology","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1145/2425836.2425898","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2425836.2425898","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 27th Conference on Image and Vision Computing New Zealand","raw_type":"proceedings-article"},{"id":"pmh:oai:ir.canterbury.ac.nz:10092/7885","is_oa":false,"landing_page_url":"http://hdl.handle.net/10092/7885","pdf_url":null,"source":{"id":"https://openalex.org/S4377196357","display_name":"UC Research Repository  (University of Canterbury)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I185492890","host_organization_name":"University of Canterbury","host_organization_lineage":["https://openalex.org/I185492890"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Conference Contributions - Published"},{"id":"pmh:oai:researcharchive.lincoln.ac.nz:10182/9037","is_oa":false,"landing_page_url":"https://hdl.handle.net/10182/9037","pdf_url":null,"source":{"id":"https://openalex.org/S4306400204","display_name":"Lincoln University Research Archive (Lincoln University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I114395901","host_organization_name":"University of Nebraska\u2013Lincoln","host_organization_lineage":["https://openalex.org/I114395901"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IVCNZ '12 27th Image and Vision Computing New Zealand","raw_type":"Conference Contribution - published"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Life below water","score":0.5699999928474426,"id":"https://metadata.un.org/sdg/14"},{"display_name":"Climate action","score":0.4099999964237213,"id":"https://metadata.un.org/sdg/13"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":11,"referenced_works":["https://openalex.org/W652417460","https://openalex.org/W1577936619","https://openalex.org/W1974821667","https://openalex.org/W1996324413","https://openalex.org/W2005169368","https://openalex.org/W2017617273","https://openalex.org/W2036959929","https://openalex.org/W2039270213","https://openalex.org/W2107956149","https://openalex.org/W2151540768","https://openalex.org/W2155217597"],"related_works":["https://openalex.org/W2591813577","https://openalex.org/W2005258723","https://openalex.org/W2131715830","https://openalex.org/W2034794801","https://openalex.org/W2749898144","https://openalex.org/W1983377503","https://openalex.org/W2468469523","https://openalex.org/W3028818454","https://openalex.org/W1991067948","https://openalex.org/W2100757269"],"abstract_inverted_index":{"This":[0,28],"paper":[1],"describes":[2],"a":[3,34,47,75],"miniature":[4],"camera":[5,29],"module":[6],"for":[7,36,50,56],"capturing":[8],"close-up":[9],"video":[10],"of":[11,33,44,74,101],"one":[12,31],"eye":[13,24,67,103],"and":[14,22,39,53],"the":[15,20,64,89,102],"image":[16],"processing&#13;\\nsteps":[17],"to":[18,94],"locate":[19],"pupil":[21],"measure":[23],"closure":[25],"from":[26,81],"this&#13;\\nvideo.":[27],"is":[30,60,69],"component":[32],"multi-sensory&#13;\\ndevice":[35],"measuring":[37],"drowsiness":[38],"detecting":[40],"complete":[41],"momentary":[42],"lapses":[43],"responsiveness.&#13;\\nWe":[45],"describe":[46],"&#13;\\nflood-fill-based":[48],"algorithm":[49,90],"locating":[51],"the&#13;\\npupil":[52,59],"shape-based":[54],"criteria":[55],"determining":[57],"whether":[58],"partly":[61],"covered":[62],"by":[63,97],"eyelid.":[65],"Percentage":[66],"closure&#13;\\n(PERCLOS)":[68],"implemented":[70],"as":[71],"an":[72],"example":[73],"meaningful&#13;\\nmeasurement":[76],"that":[77,88,95],"can":[78],"be":[79],"derived":[80],"this":[82],"extracted":[83],"pupil&#13;\\ndata.":[84],"Preliminary":[85],"results":[86],"show":[87],"produces&#13;\\noutput":[91],"very":[92],"close":[93],"obtained":[96],"manual":[98],"frame-by-frame&#13;\\nclassi":[99],"cation":[100],"video.":[104]},"counts_by_year":[{"year":2025,"cited_by_count":2},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":1},{"year":2013,"cited_by_count":1}],"updated_date":"2026-07-02T09:51:11.867554","created_date":"2025-10-10T00:00:00"}
