{"id":"https://openalex.org/W1984685283","doi":"https://doi.org/10.1186/1475-925x-13-69","title":"System and measurement method for binocular pupillometry to study pupil size variability","display_name":"System and measurement method for binocular pupillometry to study pupil size variability","publication_year":2014,"publication_date":"2014-01-01","ids":{"openalex":"https://openalex.org/W1984685283","doi":"https://doi.org/10.1186/1475-925x-13-69","mag":"1984685283","pmid":"https://pubmed.ncbi.nlm.nih.gov/24899167","pmcid":"https://www.ncbi.nlm.nih.gov/pmc/articles/4057653"},"language":"en","primary_location":{"id":"doi:10.1186/1475-925x-13-69","doi":"https://doi.org/10.1186/1475-925x-13-69","is_oa":true,"landing_page_url":"https://doi.org/10.1186/1475-925x-13-69","pdf_url":"https://biomedical-engineering-online.biomedcentral.com/counter/pdf/10.1186/1475-925X-13-69","source":{"id":"https://openalex.org/S162176842","display_name":"BioMedical Engineering OnLine","issn_l":"1475-925X","issn":["1475-925X"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-d","jufo-1","ki-jl-1","medline","norway-1","oarl","poland-70","russia-white-list-2","vabb-shw"],"host_organization":"https://openalex.org/P4310320256","host_organization_name":"BioMed Central","host_organization_lineage":["https://openalex.org/P4310320256","https://openalex.org/P4310319965"],"host_organization_lineage_names":["BioMed Central","Springer Nature"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"BioMedical Engineering OnLine","raw_type":"journal-article"},"volume":null,"type":"article","indexed_in":["crossref","doaj","pubmed"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://biomedical-engineering-online.biomedcentral.com/counter/pdf/10.1186/1475-925X-13-69","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5055446451","display_name":"Wioletta Nowak","orcid":"https://orcid.org/0000-0002-4135-2526","observed_orcids":["https://orcid.org/0000-0002-4135-2526"]},"institutions":[{"id":"https://openalex.org/I11923345","display_name":"Wroc\u0142aw University of Science and Technology","ror":"https://ror.org/008fyn775","country_code":"PL","type":"education","lineage":["https://openalex.org/I11923345"]}],"countries":["PL"],"is_corresponding":true,"raw_author_name":"Wioletta Nowak","raw_affiliation_strings":["Institute of Biomedical Engineering and Instrumentation, Wroclaw University of Technology, Wroclaw, Poland. wioletta.nowak@pwr.wroc.pl","Institute of Biomedical Engineering and Instrumentation, Wroclaw University of Technology, Wroclaw, Poland,"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Biomedical Engineering and Instrumentation, Wroclaw University of Technology, Wroclaw, Poland. wioletta.nowak@pwr.wroc.pl","institution_ids":["https://openalex.org/I11923345"]},{"raw_affiliation_string":"Institute of Biomedical Engineering and Instrumentation, Wroclaw University of Technology, Wroclaw, Poland,","institution_ids":["https://openalex.org/I11923345"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5048700734","display_name":"Anna \u017barowska","orcid":"https://orcid.org/0000-0003-4544-9082","observed_orcids":["https://orcid.org/0000-0003-4544-9082"]},"institutions":[{"id":"https://openalex.org/I11923345","display_name":"Wroc\u0142aw University of Science and Technology","ror":"https://ror.org/008fyn775","country_code":"PL","type":"education","lineage":["https://openalex.org/I11923345"]}],"countries":["PL"],"is_corresponding":false,"raw_author_name":"Anna \u017barowska","raw_affiliation_strings":["Institute of Biomedical Engineering and Instrumentation, Wroclaw University of Technology, Wroclaw, Poland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Biomedical Engineering and Instrumentation, Wroclaw University of Technology, Wroclaw, Poland","institution_ids":["https://openalex.org/I11923345"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5075432415","display_name":"El\u017cbieta Szul-Pietrzak","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I11923345","display_name":"Wroc\u0142aw University of Science and Technology","ror":"https://ror.org/008fyn775","country_code":"PL","type":"education","lineage":["https://openalex.org/I11923345"]}],"countries":["PL"],"is_corresponding":false,"raw_author_name":"El\u017cbieta Szul-Pietrzak","raw_affiliation_strings":["Institute of Biomedical Engineering and Instrumentation, Wroclaw University of Technology, Wroclaw, Poland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Biomedical Engineering and Instrumentation, Wroclaw University of Technology, Wroclaw, Poland","institution_ids":["https://openalex.org/I11923345"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5035427969","display_name":"Marta Misiuk\u2010Hoj\u0142o","orcid":"https://orcid.org/0000-0002-4020-3203","observed_orcids":["https://orcid.org/0000-0002-4020-3203"]},"institutions":[{"id":"https://openalex.org/I385303915","display_name":"Wroclaw Medical University","ror":"https://ror.org/01qpw1b93","country_code":"PL","type":"education","lineage":["https://openalex.org/I385303915"]}],"countries":["PL"],"is_corresponding":false,"raw_author_name":"Marta Misiuk-Hoj\u0142o","raw_affiliation_strings":["Ophthalmology Department, Wroclaw Medical University, Wroclaw, Poland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Ophthalmology Department, Wroclaw Medical University, Wroclaw, Poland","institution_ids":["https://openalex.org/I385303915"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5055446451"],"corresponding_institution_ids":["https://openalex.org/I11923345"],"apc_list":{"value":2690,"currency":"USD","value_usd":2690},"apc_paid":{"value":2690,"currency":"USD","value_usd":2690},"fwci":4.5146,"has_fulltext":true,"cited_by_count":30,"citation_normalized_percentile":{"value":0.93642931,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":93,"max":99},"biblio":{"volume":"13","issue":"1","first_page":"69","last_page":"69"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11707","display_name":"Gaze Tracking and Assistive Technology","score":0.9463000297546387,"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":0.9463000297546387,"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/T10745","display_name":"Heart Rate Variability and Autonomic Control","score":0.026900000870227814,"subfield":{"id":"https://openalex.org/subfields/2705","display_name":"Cardiology and Cardiovascular Medicine"},"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/T11196","display_name":"Non-Invasive Vital Sign Monitoring","score":0.006099999882280827,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical 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/pupillary-light-reflex","display_name":"pupillary light reflex","score":0.8119999766349792},{"id":"https://openalex.org/keywords/autonomic-nervous-system","display_name":"autonomic nervous system","score":0.8040000200271606},{"id":"https://openalex.org/keywords/pupil-detection","display_name":"pupil detection","score":0.4959999918937683},{"id":"https://openalex.org/keywords/measurement-accuracy-and-repeatability","display_name":"measurement accuracy and repeatability","score":0.6499999761581421}],"concepts":[{"id":"https://openalex.org/C2778711042","wikidata":"https://www.wikidata.org/wiki/Q3410891","display_name":"Pupillometry","level":3,"score":0.8842154741287231},{"id":"https://openalex.org/C2777394604","wikidata":"https://www.wikidata.org/wiki/Q173318","display_name":"Pupil","level":2,"score":0.758155107498169},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.6932870149612427},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6705811023712158},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.664413571357727},{"id":"https://openalex.org/C154020017","wikidata":"https://www.wikidata.org/wiki/Q520171","display_name":"Repeatability","level":2,"score":0.5424007773399353},{"id":"https://openalex.org/C2781184276","wikidata":"https://www.wikidata.org/wiki/Q2306768","display_name":"Pupillary light reflex","level":3,"score":0.48958906531333923},{"id":"https://openalex.org/C203479927","wikidata":"https://www.wikidata.org/wiki/Q5165939","display_name":"Controller (irrigation)","level":2,"score":0.4469519853591919},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.270842969417572},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.23267757892608643},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.09553754329681396},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.0},{"id":"https://openalex.org/C6557445","wikidata":"https://www.wikidata.org/wiki/Q173113","display_name":"Agronomy","level":1,"score":0.0}],"mesh":[{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D007091","descriptor_name":"Image Processing, Computer-Assisted","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008027","descriptor_name":"Light","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D011680","descriptor_name":"Pupil","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D061848","descriptor_name":"Optical Imaging","qualifier_ui":"Q000295","qualifier_name":"instrumentation","is_major_topic":false},{"descriptor_ui":"D061848","descriptor_name":"Optical Imaging","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":true}],"locations_count":4,"locations":[{"id":"doi:10.1186/1475-925x-13-69","doi":"https://doi.org/10.1186/1475-925x-13-69","is_oa":true,"landing_page_url":"https://doi.org/10.1186/1475-925x-13-69","pdf_url":"https://biomedical-engineering-online.biomedcentral.com/counter/pdf/10.1186/1475-925X-13-69","source":{"id":"https://openalex.org/S162176842","display_name":"BioMedical Engineering OnLine","issn_l":"1475-925X","issn":["1475-925X"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-d","jufo-1","ki-jl-1","medline","norway-1","oarl","poland-70","russia-white-list-2","vabb-shw"],"host_organization":"https://openalex.org/P4310320256","host_organization_name":"BioMed Central","host_organization_lineage":["https://openalex.org/P4310320256","https://openalex.org/P4310319965"],"host_organization_lineage_names":["BioMed Central","Springer Nature"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"BioMedical Engineering OnLine","raw_type":"journal-article"},{"id":"pmh:oai:europepmc.org:3029897","doi":null,"is_oa":true,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/4057653","pdf_url":null,"source":{"id":"https://openalex.org/S4306400806","display_name":"Europe PMC (PubMed Central)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1303153112","host_organization_name":"European Bioinformatics Institute","host_organization_lineage":["https://openalex.org/I1303153112"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":null,"raw_type":"Text"},{"id":"pmh:oai:pubmedcentral.nih.gov:4057653","doi":null,"is_oa":true,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/4057653","pdf_url":null,"source":{"id":"https://openalex.org/S2764455111","display_name":"PubMed Central","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Biomed Eng Online","raw_type":"Text"},{"id":"pmid:24899167","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/24899167","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Biomedical engineering online","raw_type":"Journal Article"}],"best_oa_location":{"id":"doi:10.1186/1475-925x-13-69","doi":"https://doi.org/10.1186/1475-925x-13-69","is_oa":true,"landing_page_url":"https://doi.org/10.1186/1475-925x-13-69","pdf_url":"https://biomedical-engineering-online.biomedcentral.com/counter/pdf/10.1186/1475-925X-13-69","source":{"id":"https://openalex.org/S162176842","display_name":"BioMedical Engineering OnLine","issn_l":"1475-925X","issn":["1475-925X"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-d","jufo-1","ki-jl-1","medline","norway-1","oarl","poland-70","russia-white-list-2","vabb-shw"],"host_organization":"https://openalex.org/P4310320256","host_organization_name":"BioMed Central","host_organization_lineage":["https://openalex.org/P4310320256","https://openalex.org/P4310319965"],"host_organization_lineage_names":["BioMed Central","Springer Nature"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"BioMedical Engineering OnLine","raw_type":"journal-article"},"sustainable_development_goals":[],"sustainable_development_goals_aurora":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W1984685283.pdf","grobid_xml":"https://content.openalex.org/works/W1984685283.grobid-xml"},"referenced_works_count":23,"referenced_works":["https://openalex.org/W18573072","https://openalex.org/W1529040942","https://openalex.org/W1532214611","https://openalex.org/W1580125301","https://openalex.org/W1974622815","https://openalex.org/W1982138519","https://openalex.org/W1986710543","https://openalex.org/W2001871180","https://openalex.org/W2004331959","https://openalex.org/W2005113245","https://openalex.org/W2029279008","https://openalex.org/W2032601012","https://openalex.org/W2036530483","https://openalex.org/W2041962587","https://openalex.org/W2044558249","https://openalex.org/W2060937978","https://openalex.org/W2098949509","https://openalex.org/W2110110492","https://openalex.org/W2121114184","https://openalex.org/W2131548897","https://openalex.org/W2131890400","https://openalex.org/W2147674258","https://openalex.org/W4301752727"],"related_works":["https://openalex.org/W2502554493","https://openalex.org/W2009688102","https://openalex.org/W2890976612","https://openalex.org/W86135822","https://openalex.org/W2060937978","https://openalex.org/W1489076886","https://openalex.org/W2041962587","https://openalex.org/W1442804903","https://openalex.org/W2017488302","https://openalex.org/W7126539511"],"abstract_inverted_index":{"BACKGROUND:":[0],"An":[1],"objective":[2],"and":[3,30,66,71,105,133,154,156,187,194,205,207,224,251],"noninvasive":[4],"examination":[5],"of":[6,17,33,36,47,56,90,116,283],"pupil":[7,37,118,146,150,158],"size":[8,147,159],"variability":[9],"can":[10,266,279],"be":[11],"used":[12],"to":[13,52,74,166,212,220,253],"assess":[14],"the":[15,18,54,61,64,94,98,102,106,114,117,120,130,135,145,149,182,208,222,235,260,263,281],"activity":[16],"autonomous":[19],"nervous":[20],"system.":[21],"We":[22],"designed":[23],"a":[24,83,162,170,228,242,273],"system":[25,49,87,143,184,238,265,277],"that":[26,181],"enables":[27],"binocular,":[28],"fast,":[29],"accurate":[31],"recordings":[32],"different":[34],"types":[35],"variabilities,":[38],"which":[39,78],"are":[40,69,79],"synchronous":[41,274],"with":[42,169,231,268],"other":[43,269],"biosignals.":[44],"This":[45],"type":[46],"measurement":[48,137],"is":[50,88,185,248,257],"needed":[51],"extend":[53],"scope":[55,282],"pupillometry":[57,284],"applications.":[58,286],"METHODS:":[59],"In":[60],"proposed":[62,109,201],"system,":[63],"left":[65,225],"right":[67,223],"eyes":[68,226],"independently":[70],"interchangeably":[72],"illuminated":[73],"generate":[75],"alternating":[76],"images,":[77],"successively":[80],"acquired":[81],"by":[82],"single":[84,229],"camera.":[85],"The":[86,108,123,140,200,237],"composed":[89],"four":[91],"functional":[92],"modules:":[93],"image":[95,99,110],"acquisition":[96],"module,":[97],"processing":[100,111],"unit,":[101],"light":[103,151],"stimulator,":[104],"controller.":[107],"algorithm":[112],"approximates":[113],"shape":[115],"using":[119,227,272],"best-fit":[121],"ellipse.":[122],"user":[124],"control":[125],"panel":[126],"(controller)":[127],"precisely":[128],"sets":[129],"stimuli":[131],"parameters":[132],"controls":[134],"entire":[136],"procedure.":[138],"RESULTS:":[139],"computer-based":[141],"binocular":[142],"records":[144],"during":[148],"reflexes":[152],"(direct":[153],"indirect)":[155],"spontaneous":[157],"fluctuations,":[160],"at":[161],"sampling":[163],"rate":[164],"up":[165],"75":[167],"Hz,":[168],"resolution":[171],"better":[172,191,196],"than":[173,192,197],"0.02":[174],"mm.":[175],"Our":[176],"initial":[177],"laboratory":[178],"tests":[179],"confirmed":[180],"new":[183],"fast":[186],"precise":[188],"(system":[189],"accuracy":[190],"0.5%":[193],"repeatability":[195],"4%).":[198],"CONCLUSIONS:":[199],"system's":[202],"unique":[203],"geometry":[204],"construction,":[206],"method":[209],"it":[210,247,256],"uses":[211],"detect":[213],"images":[214],"from":[215],"each":[216],"eye,":[217],"allows":[218],"us":[219],"monitor":[221],"camera":[230],"no":[232],"overlap":[233],"between":[234],"images.":[236],"does":[239],"not":[240],"require":[241],"very":[243],"experienced":[244],"operator,":[245],"because":[246],"relatively":[249],"simple":[250],"easy":[252],"use.":[254],"Importantly,":[255],"comfortable":[258],"for":[259],"subjects.":[261],"Additionally,":[262],"presented":[264],"operate":[267],"bio-measurement":[270],"systems":[271],"signal.":[275],"These":[276],"capabilities":[278],"expand":[280],"research":[285]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2024,"cited_by_count":7},{"year":2023,"cited_by_count":2},{"year":2021,"cited_by_count":2},{"year":2020,"cited_by_count":3},{"year":2019,"cited_by_count":2},{"year":2018,"cited_by_count":5},{"year":2017,"cited_by_count":2},{"year":2016,"cited_by_count":3},{"year":2015,"cited_by_count":2}],"updated_date":"2026-10-31T12:09:11.096373","created_date":"2016-06-24T00:00:00"}
