{"id":"https://openalex.org/W2803695534","doi":"https://doi.org/10.1109/tmi.2018.2836304","title":"Simultaneous Estimation of Corneal Topography, Pachymetry, and Curvature","display_name":"Simultaneous Estimation of Corneal Topography, Pachymetry, and Curvature","publication_year":2018,"publication_date":"2018-05-15","ids":{"openalex":"https://openalex.org/W2803695534","doi":"https://doi.org/10.1109/tmi.2018.2836304","mag":"2803695534","pmid":"https://pubmed.ncbi.nlm.nih.gov/29994760"},"language":"en","primary_location":{"id":"doi:10.1109/tmi.2018.2836304","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tmi.2018.2836304","pdf_url":null,"source":{"id":"https://openalex.org/S58069681","display_name":"IEEE Transactions on Medical Imaging","issn_l":"0278-0062","issn":["0278-0062","1558-254X"],"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 Transactions on Medical Imaging","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","pubmed"],"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/A5063814621","display_name":"Farzana Nasrin","orcid":"https://orcid.org/0000-0002-0143-6688"},"institutions":[{"id":"https://openalex.org/I12315562","display_name":"Texas Tech University","ror":"https://ror.org/0405mnx93","country_code":"US","type":"education","lineage":["https://openalex.org/I12315562"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Farzana Nasrin","raw_affiliation_strings":["Department of Mathematics and Statistics, Texas Tech University, Lubbock, TX, USA"],"raw_orcid":"https://orcid.org/0000-0002-0143-6688","affiliations":[{"raw_affiliation_string":"Department of Mathematics and Statistics, Texas Tech University, Lubbock, TX, USA","institution_ids":["https://openalex.org/I12315562"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5032733572","display_name":"Ram Iyer","orcid":"https://orcid.org/0000-0001-8908-0892"},"institutions":[{"id":"https://openalex.org/I12315562","display_name":"Texas Tech University","ror":"https://ror.org/0405mnx93","country_code":"US","type":"education","lineage":["https://openalex.org/I12315562"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Ram V. Iyer","raw_affiliation_strings":["Department of Mathematics and Statistics, Texas Tech University, Lubbock, TX, USA"],"raw_orcid":"https://orcid.org/0000-0001-8908-0892","affiliations":[{"raw_affiliation_string":"Department of Mathematics and Statistics, Texas Tech University, Lubbock, TX, USA","institution_ids":["https://openalex.org/I12315562"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5111644548","display_name":"Steven Mathews","orcid":null},"institutions":[{"id":"https://openalex.org/I12315562","display_name":"Texas Tech University","ror":"https://ror.org/0405mnx93","country_code":"US","type":"education","lineage":["https://openalex.org/I12315562"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Steven M. Mathews","raw_affiliation_strings":["Department of Mathematics and Statistics, Texas Tech University, Lubbock, TX, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Mathematics and Statistics, Texas Tech University, Lubbock, TX, USA","institution_ids":["https://openalex.org/I12315562"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I12315562"],"apc_list":{"value":2645,"currency":"USD","value_usd":2645},"apc_paid":null,"fwci":0.9748,"has_fulltext":false,"cited_by_count":10,"citation_normalized_percentile":{"value":0.75474808,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":"37","issue":"11","first_page":"2463","last_page":"2473"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10563","display_name":"Corneal surgery and disorders","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/2741","display_name":"Radiology, Nuclear Medicine and Imaging"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},"topics":[{"id":"https://openalex.org/T10563","display_name":"Corneal surgery and disorders","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/2741","display_name":"Radiology, Nuclear Medicine and Imaging"},"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/T10381","display_name":"Ophthalmology and Visual Impairment Studies","score":0.984499990940094,"subfield":{"id":"https://openalex.org/subfields/2713","display_name":"Epidemiology"},"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":0.9757000207901001,"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/cornea","display_name":"Cornea","score":0.8396750688552856},{"id":"https://openalex.org/keywords/scheimpflug-principle","display_name":"Scheimpflug principle","score":0.7714670896530151},{"id":"https://openalex.org/keywords/curvature","display_name":"Curvature","score":0.615373432636261},{"id":"https://openalex.org/keywords/ectasia","display_name":"Ectasia","score":0.6077449917793274},{"id":"https://openalex.org/keywords/corneal-topography","display_name":"Corneal topography","score":0.5346232056617737},{"id":"https://openalex.org/keywords/smoothing","display_name":"Smoothing","score":0.4468053877353668},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3362201452255249},{"id":"https://openalex.org/keywords/medicine","display_name":"Medicine","score":0.28674742579460144},{"id":"https://openalex.org/keywords/ophthalmology","display_name":"Ophthalmology","score":0.2864198684692383},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.2764424681663513},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.19837713241577148},{"id":"https://openalex.org/keywords/surgery","display_name":"Surgery","score":0.10195940732955933},{"id":"https://openalex.org/keywords/geometry","display_name":"Geometry","score":0.09775865077972412}],"concepts":[{"id":"https://openalex.org/C2776882836","wikidata":"https://www.wikidata.org/wiki/Q168291","display_name":"Cornea","level":2,"score":0.8396750688552856},{"id":"https://openalex.org/C169363364","wikidata":"https://www.wikidata.org/wiki/Q1570106","display_name":"Scheimpflug principle","level":3,"score":0.7714670896530151},{"id":"https://openalex.org/C195065555","wikidata":"https://www.wikidata.org/wiki/Q214881","display_name":"Curvature","level":2,"score":0.615373432636261},{"id":"https://openalex.org/C7843141","wikidata":"https://www.wikidata.org/wiki/Q1323709","display_name":"Ectasia","level":2,"score":0.6077449917793274},{"id":"https://openalex.org/C2781053140","wikidata":"https://www.wikidata.org/wiki/Q3501232","display_name":"Corneal topography","level":3,"score":0.5346232056617737},{"id":"https://openalex.org/C3770464","wikidata":"https://www.wikidata.org/wiki/Q775963","display_name":"Smoothing","level":2,"score":0.4468053877353668},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3362201452255249},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.28674742579460144},{"id":"https://openalex.org/C118487528","wikidata":"https://www.wikidata.org/wiki/Q161437","display_name":"Ophthalmology","level":1,"score":0.2864198684692383},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.2764424681663513},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.19837713241577148},{"id":"https://openalex.org/C141071460","wikidata":"https://www.wikidata.org/wiki/Q40821","display_name":"Surgery","level":1,"score":0.10195940732955933},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.09775865077972412}],"mesh":[{"descriptor_ui":"D000465","descriptor_name":"Algorithms","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000465","descriptor_name":"Algorithms","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000465","descriptor_name":"Algorithms","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D003315","descriptor_name":"Cornea","qualifier_ui":"Q000000981","qualifier_name":"diagnostic imaging","is_major_topic":false},{"descriptor_ui":"D003315","descriptor_name":"Cornea","qualifier_ui":"Q000000981","qualifier_name":"diagnostic imaging","is_major_topic":false},{"descriptor_ui":"D003315","descriptor_name":"Cornea","qualifier_ui":"Q000000981","qualifier_name":"diagnostic imaging","is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D007090","descriptor_name":"Image Interpretation, Computer-Assisted","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D007090","descriptor_name":"Image Interpretation, Computer-Assisted","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D007090","descriptor_name":"Image Interpretation, Computer-Assisted","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D007640","descriptor_name":"Keratoconus","qualifier_ui":"Q000000981","qualifier_name":"diagnostic imaging","is_major_topic":false},{"descriptor_ui":"D007640","descriptor_name":"Keratoconus","qualifier_ui":"Q000000981","qualifier_name":"diagnostic imaging","is_major_topic":false},{"descriptor_ui":"D007640","descriptor_name":"Keratoconus","qualifier_ui":"Q000000981","qualifier_name":"diagnostic imaging","is_major_topic":false},{"descriptor_ui":"D019781","descriptor_name":"Corneal Topography","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D019781","descriptor_name":"Corneal Topography","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D019781","descriptor_name":"Corneal Topography","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D041623","descriptor_name":"Tomography, Optical Coherence","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D041623","descriptor_name":"Tomography, Optical Coherence","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D041623","descriptor_name":"Tomography, Optical Coherence","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false}],"locations_count":2,"locations":[{"id":"doi:10.1109/tmi.2018.2836304","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tmi.2018.2836304","pdf_url":null,"source":{"id":"https://openalex.org/S58069681","display_name":"IEEE Transactions on Medical Imaging","issn_l":"0278-0062","issn":["0278-0062","1558-254X"],"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 Transactions on Medical Imaging","raw_type":"journal-article"},{"id":"pmid:29994760","is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/29994760","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,"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":"IEEE transactions on medical imaging","raw_type":"Journal Article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":53,"referenced_works":["https://openalex.org/W97415560","https://openalex.org/W1674634853","https://openalex.org/W1911440360","https://openalex.org/W1990381576","https://openalex.org/W1991468392","https://openalex.org/W1991908193","https://openalex.org/W1994351320","https://openalex.org/W1999653005","https://openalex.org/W2011628315","https://openalex.org/W2013636449","https://openalex.org/W2021800919","https://openalex.org/W2025219739","https://openalex.org/W2025750867","https://openalex.org/W2028270411","https://openalex.org/W2031505523","https://openalex.org/W2039040921","https://openalex.org/W2043281411","https://openalex.org/W2052477549","https://openalex.org/W2053135712","https://openalex.org/W2062400823","https://openalex.org/W2069830268","https://openalex.org/W2075485615","https://openalex.org/W2077290527","https://openalex.org/W2079844430","https://openalex.org/W2083717857","https://openalex.org/W2086214114","https://openalex.org/W2090460619","https://openalex.org/W2108344377","https://openalex.org/W2126035727","https://openalex.org/W2127490937","https://openalex.org/W2137697840","https://openalex.org/W2138279577","https://openalex.org/W2142475085","https://openalex.org/W2168081474","https://openalex.org/W2233404270","https://openalex.org/W2313605695","https://openalex.org/W2326601771","https://openalex.org/W2415633624","https://openalex.org/W2440061129","https://openalex.org/W2490984875","https://openalex.org/W2496665460","https://openalex.org/W2498425940","https://openalex.org/W2535934829","https://openalex.org/W2603759820","https://openalex.org/W3008735039","https://openalex.org/W4210991337","https://openalex.org/W4211045064","https://openalex.org/W4230615526","https://openalex.org/W4238516046","https://openalex.org/W4298876635","https://openalex.org/W6637155915","https://openalex.org/W6684753880","https://openalex.org/W6723530761"],"related_works":["https://openalex.org/W2016876993","https://openalex.org/W2091018796","https://openalex.org/W1980442885","https://openalex.org/W2070939338","https://openalex.org/W4312057473","https://openalex.org/W4303423891","https://openalex.org/W4245796223","https://openalex.org/W130748092","https://openalex.org/W2779759245","https://openalex.org/W4303423914"],"abstract_inverted_index":{"Identification":[0],"of":[1,9,17,21,40,44,57,84,90,98,102,117,131,177,184],"objective":[2],"criteria":[3],"to":[4,13,49,147,196,214],"correctly":[5],"diagnose":[6],"ectatic":[7],"diseases":[8],"the":[10,41,45,58,71,88,91,103,108,115,118,128,148,182],"cornea":[11,46],"or":[12,75,167],"detect":[14],"early":[15],"stages":[16],"corneal":[18,138],"ectasia":[19,186,198],"is":[20,87,150,179],"great":[22],"interest":[23],"in":[24,77],"ophthalmology":[25],"and":[26,53,136,141,190,200,211,223],"optometry.":[27],"Metrics":[28],"for":[29,127,134,181],"diagnosis":[30,183],"typically":[31],"employed":[32],"are":[33],"curvature":[34,66,94,111,189],"maps":[35,67,133],"(axial/sagittal,":[36],"tangential);":[37],"elevation":[38,132,192,202],"map":[39,56],"anterior":[42,135,162,191],"surface":[43],"with":[47,208],"respect":[48],"a":[50,78,99,122,153,168,174,215,218],"reference":[51],"sphere;":[52],"pachymetry":[54],"(thickness)":[55],"cornea.":[59,80,104,227],"We":[60,105,120,171,204],"present":[61,121,212],"evidence":[62],"that":[63,107,173],"currently":[64],"used":[65],"do":[68],"not":[69],"represent":[70],"actual":[72],"curvatures":[73],"(principal":[74],"mean)":[76],"human":[79],"A":[81],"novel":[82],"contribution":[83],"this":[85],"paper":[86],"computation":[89,130],"true":[92,109,142],"mean":[93,110,143,188],"over":[95],"every":[96],"point":[97],"central":[100],"region":[101],"show":[106,172],"can":[112],"accurately":[113],"identify":[114],"location":[116],"ectasia.":[119],"quartic":[123],"smoothing":[124],"spline":[125],"algorithm":[126,149],"simultaneous":[129],"posterior":[137,201],"surfaces,":[139],"pachymetry,":[140],"curvature.":[144],"The":[145],"input":[146],"data":[151],"from":[152,156],"single":[154],"measurement":[155],"imaging":[157],"devices":[158],"such":[159],"as":[160,194],"an":[161,224],"segment":[163],"optical":[164],"coherence":[165],"tomographer":[166],"Scheimpflug":[169],"imager.":[170],"different":[175],"combination":[176],"metrics":[178],"useful":[180],"existing":[185,209],"(true":[187],"map)":[193],"opposed":[195],"subclinical":[197],"(pachymetry":[199],"map).":[203],"compare":[205],"our":[206],"results":[207],"algorithms,":[210],"applications":[213],"normal":[216],"cornea,":[217,222],"forme":[219],"fruste":[220],"keratoconic":[221,226],"advanced":[225]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":4},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":1}],"updated_date":"2026-08-21T09:56:20.448147","created_date":"2025-10-10T00:00:00"}