{"id":"https://openalex.org/W2790837612","doi":"https://doi.org/10.1117/12.2293917","title":"Automated segmentation and feature extraction in cardiac electrical impedance tomography images","display_name":"Automated segmentation and feature extraction in cardiac electrical impedance tomography images","publication_year":2018,"publication_date":"2018-03-12","ids":{"openalex":"https://openalex.org/W2790837612","doi":"https://doi.org/10.1117/12.2293917","mag":"2790837612"},"language":"en","primary_location":{"id":"doi:10.1117/12.2293917","is_oa":false,"landing_page_url":"https://doi.org/10.1117/12.2293917","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Medical Imaging 2018: Biomedical Applications in Molecular, Structural, and Functional Imaging","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/A5107970166","display_name":"Saaid H. Arshad","orcid":"https://orcid.org/0000-0001-6506-357X"},"institutions":[{"id":"https://openalex.org/I107672454","display_name":"Dartmouth College","ror":"https://ror.org/049s0rh22","country_code":"US","type":"education","lineage":["https://openalex.org/I107672454"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Saaid H. Arshad","raw_affiliation_strings":["Dartmouth College (United States)"],"affiliations":[{"raw_affiliation_string":"Dartmouth College (United States)","institution_ids":["https://openalex.org/I107672454"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5043853954","display_name":"Ethan K. Murphy","orcid":"https://orcid.org/0000-0002-4635-3384"},"institutions":[{"id":"https://openalex.org/I107672454","display_name":"Dartmouth College","ror":"https://ror.org/049s0rh22","country_code":"US","type":"education","lineage":["https://openalex.org/I107672454"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Ethan K. Murphy","raw_affiliation_strings":["Dartmouth College (United States)"],"affiliations":[{"raw_affiliation_string":"Dartmouth College (United States)","institution_ids":["https://openalex.org/I107672454"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5049384673","display_name":"Ryan J. Halter","orcid":"https://orcid.org/0000-0003-0222-3948"},"institutions":[{"id":"https://openalex.org/I107672454","display_name":"Dartmouth College","ror":"https://ror.org/049s0rh22","country_code":"US","type":"education","lineage":["https://openalex.org/I107672454"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Ryan J. Halter","raw_affiliation_strings":["Dartmouth College (United States)"],"affiliations":[{"raw_affiliation_string":"Dartmouth College (United States)","institution_ids":["https://openalex.org/I107672454"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5107970166"],"corresponding_institution_ids":["https://openalex.org/I107672454"],"apc_list":null,"apc_paid":null,"fwci":0.1304,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.45520837,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":95},"biblio":{"volume":null,"issue":null,"first_page":"61","last_page":"61"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11778","display_name":"Electrical and Bioimpedance Tomography","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11778","display_name":"Electrical and Bioimpedance Tomography","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic 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/T11700","display_name":"Hemodynamic Monitoring and Therapy","score":0.9973999857902527,"subfield":{"id":"https://openalex.org/subfields/2746","display_name":"Surgery"},"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/T12279","display_name":"Body Composition Measurement Techniques","score":0.9835000038146973,"subfield":{"id":"https://openalex.org/subfields/2737","display_name":"Physiology"},"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/electrical-impedance-tomography","display_name":"Electrical impedance tomography","score":0.8127198815345764},{"id":"https://openalex.org/keywords/region-of-interest","display_name":"Region of interest","score":0.7091694474220276},{"id":"https://openalex.org/keywords/segmentation","display_name":"Segmentation","score":0.7090317010879517},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.6799097061157227},{"id":"https://openalex.org/keywords/feature","display_name":"Feature (linguistics)","score":0.6446568965911865},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5880213975906372},{"id":"https://openalex.org/keywords/cardiac-cycle","display_name":"Cardiac cycle","score":0.5570945739746094},{"id":"https://openalex.org/keywords/feature-extraction","display_name":"Feature extraction","score":0.5305331945419312},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.51767897605896},{"id":"https://openalex.org/keywords/modality","display_name":"Modality (human\u2013computer interaction)","score":0.5143819451332092},{"id":"https://openalex.org/keywords/population","display_name":"Population","score":0.49626976251602173},{"id":"https://openalex.org/keywords/image-segmentation","display_name":"Image segmentation","score":0.49215835332870483},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.4537737965583801},{"id":"https://openalex.org/keywords/tomography","display_name":"Tomography","score":0.31237658858299255},{"id":"https://openalex.org/keywords/medicine","display_name":"Medicine","score":0.1104467511177063},{"id":"https://openalex.org/keywords/radiology","display_name":"Radiology","score":0.10790401697158813}],"concepts":[{"id":"https://openalex.org/C155175808","wikidata":"https://www.wikidata.org/wiki/Q1326472","display_name":"Electrical impedance tomography","level":3,"score":0.8127198815345764},{"id":"https://openalex.org/C19609008","wikidata":"https://www.wikidata.org/wiki/Q2138203","display_name":"Region of interest","level":2,"score":0.7091694474220276},{"id":"https://openalex.org/C89600930","wikidata":"https://www.wikidata.org/wiki/Q1423946","display_name":"Segmentation","level":2,"score":0.7090317010879517},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.6799097061157227},{"id":"https://openalex.org/C2776401178","wikidata":"https://www.wikidata.org/wiki/Q12050496","display_name":"Feature (linguistics)","level":2,"score":0.6446568965911865},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5880213975906372},{"id":"https://openalex.org/C99398487","wikidata":"https://www.wikidata.org/wiki/Q257319","display_name":"Cardiac cycle","level":2,"score":0.5570945739746094},{"id":"https://openalex.org/C52622490","wikidata":"https://www.wikidata.org/wiki/Q1026626","display_name":"Feature extraction","level":2,"score":0.5305331945419312},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.51767897605896},{"id":"https://openalex.org/C2780226545","wikidata":"https://www.wikidata.org/wiki/Q6888030","display_name":"Modality (human\u2013computer interaction)","level":2,"score":0.5143819451332092},{"id":"https://openalex.org/C2908647359","wikidata":"https://www.wikidata.org/wiki/Q2625603","display_name":"Population","level":2,"score":0.49626976251602173},{"id":"https://openalex.org/C124504099","wikidata":"https://www.wikidata.org/wiki/Q56933","display_name":"Image segmentation","level":3,"score":0.49215835332870483},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.4537737965583801},{"id":"https://openalex.org/C163716698","wikidata":"https://www.wikidata.org/wiki/Q841267","display_name":"Tomography","level":2,"score":0.31237658858299255},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.1104467511177063},{"id":"https://openalex.org/C126838900","wikidata":"https://www.wikidata.org/wiki/Q77604","display_name":"Radiology","level":1,"score":0.10790401697158813},{"id":"https://openalex.org/C41895202","wikidata":"https://www.wikidata.org/wiki/Q8162","display_name":"Linguistics","level":1,"score":0.0},{"id":"https://openalex.org/C99454951","wikidata":"https://www.wikidata.org/wiki/Q932068","display_name":"Environmental health","level":1,"score":0.0},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.0},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1117/12.2293917","is_oa":false,"landing_page_url":"https://doi.org/10.1117/12.2293917","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Medical Imaging 2018: Biomedical Applications in Molecular, Structural, and Functional Imaging","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/3","score":0.47999998927116394,"display_name":"Good health and well-being"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":15,"referenced_works":["https://openalex.org/W1799846709","https://openalex.org/W1903804808","https://openalex.org/W1999111348","https://openalex.org/W2005133014","https://openalex.org/W2031220720","https://openalex.org/W2031965614","https://openalex.org/W2039978028","https://openalex.org/W2113761410","https://openalex.org/W2133742416","https://openalex.org/W2321166815","https://openalex.org/W2740283806","https://openalex.org/W2766449543","https://openalex.org/W4234184245","https://openalex.org/W6639766543","https://openalex.org/W6700170086"],"related_works":["https://openalex.org/W2359871536","https://openalex.org/W1992681652","https://openalex.org/W2991320615","https://openalex.org/W1979972895","https://openalex.org/W2944246511","https://openalex.org/W4285180073","https://openalex.org/W4391184577","https://openalex.org/W4235437594","https://openalex.org/W3097371773","https://openalex.org/W2362037466"],"abstract_inverted_index":{"A":[0,99],"non-invasive":[1],"and":[2,49,65,71,87,97,118,162,184,204,210,218],"accurate":[3],"modality":[4],"that":[5,93],"can":[6],"continuously":[7],"monitor":[8],"stroke":[9],"volume":[10],"(SV)":[11],"for":[12,21,45,69,85,95,206],"extended":[13],"periods":[14],"of":[15,25,29,73,127,168,179,200,214],"time":[16],"is":[17,77,150],"desired":[18,169],"to":[19,63,109,115,137,152],"allow":[20,94],"more":[22],"proactive":[23],"care":[24],"an":[26,82],"increasing":[27],"population":[28],"patients":[30],"living":[31],"with":[32,197],"heart":[33,156],"failure.":[34],"Electrical":[35],"impedance":[36],"tomography":[37],"(EIT)":[38],"has":[39,56,61],"been":[40,57],"proposed":[41,112],"as":[42,190],"a":[43,66,207],"method":[44,68],"accurate,":[46],"non-invasive,":[47],"continuous,":[48],"long-term":[50],"SV":[51,212],"monitoring.":[52],"While":[53],"cardiac":[54,74,129],"EIT":[55,75,138],"explored,":[58],"clinical":[59],"translation":[60],"yet":[62],"occur":[64],"standardized":[67],"evaluation":[70,96],"comparison":[72,167],"images":[76,92,122,161],"desired.":[78],"This":[79],"work":[80],"explores":[81],"automated":[83,148],"process":[84],"segmenting":[86],"extracting":[88],"features":[89,120,192],"from":[90,121,143,193],"the":[91,105,111,128,155,182,194,224,228,235,239],"comparison.":[98],"simulation":[100,195],"study":[101],"was":[102,134],"conducted":[103],"using":[104],"4D":[106],"XCAT":[107],"model":[108],"evaluate":[110],"method\u2019s":[113],"ability":[114],"automatically":[116],"segment":[117],"extract":[119,163],"reconstructed":[123],"at":[124],"various":[125,160],"phases":[126],"cycle.":[130],"The":[131,147],"same":[132],"procedure":[133],"then":[135],"applied":[136],"reconstructions":[139,233],"on":[140],"data":[141],"collected":[142],"five":[144],"healthy":[145],"volunteers.":[146],"segmentation":[149],"able":[151],"accurately":[153],"capture":[154],"region-of-interest":[157],"(ROI)":[158],"in":[159],"features,":[164],"which":[165],"allows":[166],"signals":[170],"across":[171,231],"reconstructions.":[172],"ROI":[173,176,185],"mean":[174],"conductivity,":[175],"area,":[177],"sum":[178,236],"conductivities":[180],"within":[181],"ROI,":[183],"maximum":[186],"conductivity":[187],"were":[188],"chosen":[189],"promising":[191],"study,":[196],"R<sup>2</sup>":[198],"values":[199],"0.61,":[201],"0.73,":[202],"0.75,":[203],"0.66":[205],"single":[208],"heart-cycle,":[209],"minimum":[211],"distinguishability":[213],"25.54,":[215],"12.16,":[216,217],"17.22":[219],"ml.":[220],"In":[221],"experimental":[222],"data,":[223],"area":[225],"feature":[226,237],"showed":[227,238],"least":[229],"variation":[230],"individual":[232],"while":[234],"highest":[240],"variation.":[241]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2021,"cited_by_count":1}],"updated_date":"2026-03-25T13:04:00.132906","created_date":"2025-10-10T00:00:00"}