{"id":"https://openalex.org/W4226185965","doi":"https://doi.org/10.1109/tim.2022.3166796","title":"Multifrequency Electrical Impedance Tomography With Ratiometric Preprocessing for Imaging Human Body Compartments","display_name":"Multifrequency Electrical Impedance Tomography With Ratiometric Preprocessing for Imaging Human Body Compartments","publication_year":2022,"publication_date":"2022-01-01","ids":{"openalex":"https://openalex.org/W4226185965","doi":"https://doi.org/10.1109/tim.2022.3166796"},"language":"en","primary_location":{"id":"doi:10.1109/tim.2022.3166796","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tim.2022.3166796","pdf_url":null,"source":{"id":"https://openalex.org/S10892749","display_name":"IEEE Transactions on Instrumentation and Measurement","issn_l":"0018-9456","issn":["0018-9456","1557-9662"],"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 Instrumentation and Measurement","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/A5080257158","display_name":"Ryoma Ogawa","orcid":"https://orcid.org/0000-0003-3505-8029"},"institutions":[{"id":"https://openalex.org/I159385669","display_name":"Chiba University","ror":"https://ror.org/01hjzeq58","country_code":"JP","type":"education","lineage":["https://openalex.org/I159385669"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Ryoma Ogawa","raw_affiliation_strings":["Department of Mechanical Engineering, Graduate School of Science and Engineering, Chiba University, Chiba, Japan"],"raw_orcid":"https://orcid.org/0000-0003-3505-8029","affiliations":[{"raw_affiliation_string":"Department of Mechanical Engineering, Graduate School of Science and Engineering, Chiba University, Chiba, Japan","institution_ids":["https://openalex.org/I159385669"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5073924235","display_name":"Marlin Ramadhan Baidillah","orcid":"https://orcid.org/0000-0001-7876-2206"},"institutions":[{"id":"https://openalex.org/I159385669","display_name":"Chiba University","ror":"https://ror.org/01hjzeq58","country_code":"JP","type":"education","lineage":["https://openalex.org/I159385669"]},{"id":"https://openalex.org/I4387154144","display_name":"National Research and Innovation Agency","ror":"https://ror.org/02hmjzt55","country_code":"ID","type":"government","lineage":["https://openalex.org/I4387154144"]}],"countries":["ID","JP"],"is_corresponding":false,"raw_author_name":"Marlin Ramadhan Baidillah","raw_affiliation_strings":["Department of Mechanical Engineering, Graduate School of Science and Engineering, Chiba University, Chiba, Japan","National Research and Innovation Agency, Jakarta, Indonesia"],"raw_orcid":"https://orcid.org/0000-0001-7876-2206","affiliations":[{"raw_affiliation_string":"Department of Mechanical Engineering, Graduate School of Science and Engineering, Chiba University, Chiba, Japan","institution_ids":["https://openalex.org/I159385669"]},{"raw_affiliation_string":"National Research and Innovation Agency, Jakarta, Indonesia","institution_ids":["https://openalex.org/I4387154144"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5043883808","display_name":"Panji Nursetia Darma","orcid":"https://orcid.org/0000-0001-9528-3100"},"institutions":[{"id":"https://openalex.org/I159385669","display_name":"Chiba University","ror":"https://ror.org/01hjzeq58","country_code":"JP","type":"education","lineage":["https://openalex.org/I159385669"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Panji Nursetia Darma","raw_affiliation_strings":["Department of Mechanical Engineering, Graduate School of Science and Engineering, Chiba University, Chiba, Japan"],"raw_orcid":"https://orcid.org/0000-0001-9528-3100","affiliations":[{"raw_affiliation_string":"Department of Mechanical Engineering, Graduate School of Science and Engineering, Chiba University, Chiba, Japan","institution_ids":["https://openalex.org/I159385669"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5056869124","display_name":"Daisuke Kawashima","orcid":"https://orcid.org/0000-0002-1523-6206"},"institutions":[{"id":"https://openalex.org/I159385669","display_name":"Chiba University","ror":"https://ror.org/01hjzeq58","country_code":"JP","type":"education","lineage":["https://openalex.org/I159385669"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Daisuke Kawashima","raw_affiliation_strings":["Department of Mechanical Engineering, Graduate School of Science and Engineering, Chiba University, Chiba, Japan"],"raw_orcid":"https://orcid.org/0000-0002-1523-6206","affiliations":[{"raw_affiliation_string":"Department of Mechanical Engineering, Graduate School of Science and Engineering, Chiba University, Chiba, Japan","institution_ids":["https://openalex.org/I159385669"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5043480761","display_name":"Shinsuke Akita","orcid":"https://orcid.org/0000-0001-7075-6602"},"institutions":[{"id":"https://openalex.org/I159385669","display_name":"Chiba University","ror":"https://ror.org/01hjzeq58","country_code":"JP","type":"education","lineage":["https://openalex.org/I159385669"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Shinsuke Akita","raw_affiliation_strings":["Department of Plastic, Reconstructive, and Esthetic Surgery, Graduate School of Medicine, Chiba University, Chiba, Japan"],"raw_orcid":"https://orcid.org/0000-0001-7075-6602","affiliations":[{"raw_affiliation_string":"Department of Plastic, Reconstructive, and Esthetic Surgery, Graduate School of Medicine, Chiba University, Chiba, Japan","institution_ids":["https://openalex.org/I159385669"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5091856593","display_name":"Masahiro Takei","orcid":"https://orcid.org/0000-0003-3855-7202"},"institutions":[{"id":"https://openalex.org/I159385669","display_name":"Chiba University","ror":"https://ror.org/01hjzeq58","country_code":"JP","type":"education","lineage":["https://openalex.org/I159385669"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Masahiro Takei","raw_affiliation_strings":["Department of Mechanical Engineering, Graduate School of Science and Engineering, Chiba University, Chiba, Japan"],"raw_orcid":"https://orcid.org/0000-0003-3855-7202","affiliations":[{"raw_affiliation_string":"Department of Mechanical Engineering, Graduate School of Science and Engineering, Chiba University, Chiba, Japan","institution_ids":["https://openalex.org/I159385669"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":6,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.3849,"has_fulltext":false,"cited_by_count":15,"citation_normalized_percentile":{"value":0.80044618,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":98},"biblio":{"volume":"71","issue":null,"first_page":"1","last_page":"14"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11778","display_name":"Electrical and Bioimpedance Tomography","score":1.0,"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":1.0,"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/T12169","display_name":"Non-Destructive Testing Techniques","score":0.9860000014305115,"subfield":{"id":"https://openalex.org/subfields/2210","display_name":"Mechanical 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/T11739","display_name":"Microwave Imaging and Scattering Analysis","score":0.9836999773979187,"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/electrical-impedance-tomography","display_name":"Electrical impedance tomography","score":0.7699361443519592},{"id":"https://openalex.org/keywords/preprocessor","display_name":"Preprocessor","score":0.6684519648551941},{"id":"https://openalex.org/keywords/notation","display_name":"Notation","score":0.4996774196624756},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.45332494378089905},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.36381930112838745},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.35282912850379944},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3371042311191559},{"id":"https://openalex.org/keywords/tomography","display_name":"Tomography","score":0.30321091413497925},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.27056944370269775},{"id":"https://openalex.org/keywords/arithmetic","display_name":"Arithmetic","score":0.10496094822883606},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.09838104248046875}],"concepts":[{"id":"https://openalex.org/C155175808","wikidata":"https://www.wikidata.org/wiki/Q1326472","display_name":"Electrical impedance tomography","level":3,"score":0.7699361443519592},{"id":"https://openalex.org/C34736171","wikidata":"https://www.wikidata.org/wiki/Q918333","display_name":"Preprocessor","level":2,"score":0.6684519648551941},{"id":"https://openalex.org/C45357846","wikidata":"https://www.wikidata.org/wiki/Q2001982","display_name":"Notation","level":2,"score":0.4996774196624756},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.45332494378089905},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.36381930112838745},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.35282912850379944},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3371042311191559},{"id":"https://openalex.org/C163716698","wikidata":"https://www.wikidata.org/wiki/Q841267","display_name":"Tomography","level":2,"score":0.30321091413497925},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.27056944370269775},{"id":"https://openalex.org/C94375191","wikidata":"https://www.wikidata.org/wiki/Q11205","display_name":"Arithmetic","level":1,"score":0.10496094822883606},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.09838104248046875}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tim.2022.3166796","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tim.2022.3166796","pdf_url":null,"source":{"id":"https://openalex.org/S10892749","display_name":"IEEE Transactions on Instrumentation and Measurement","issn_l":"0018-9456","issn":["0018-9456","1557-9662"],"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 Instrumentation and Measurement","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":36,"referenced_works":["https://openalex.org/W1529548832","https://openalex.org/W1644997609","https://openalex.org/W1967693011","https://openalex.org/W1969734092","https://openalex.org/W1978126768","https://openalex.org/W1979120317","https://openalex.org/W1979972895","https://openalex.org/W1984385259","https://openalex.org/W2002606334","https://openalex.org/W2005779589","https://openalex.org/W2024506048","https://openalex.org/W2029780747","https://openalex.org/W2030762933","https://openalex.org/W2045301133","https://openalex.org/W2048564825","https://openalex.org/W2055637338","https://openalex.org/W2055899967","https://openalex.org/W2068636964","https://openalex.org/W2073274628","https://openalex.org/W2086018869","https://openalex.org/W2116837788","https://openalex.org/W2131554719","https://openalex.org/W2141002303","https://openalex.org/W2158959733","https://openalex.org/W2217096638","https://openalex.org/W2340591778","https://openalex.org/W2594988164","https://openalex.org/W2620803030","https://openalex.org/W2897807752","https://openalex.org/W2913450030","https://openalex.org/W2974805517","https://openalex.org/W3016970093","https://openalex.org/W3028947779","https://openalex.org/W3080915053","https://openalex.org/W3134553339","https://openalex.org/W4210767125"],"related_works":["https://openalex.org/W2359871536","https://openalex.org/W1992681652","https://openalex.org/W2991320615","https://openalex.org/W1979972895","https://openalex.org/W4285180073","https://openalex.org/W2051428347","https://openalex.org/W3097371773","https://openalex.org/W2215273690","https://openalex.org/W2553917976","https://openalex.org/W2526896022"],"abstract_inverted_index":{"Reconstructing":[0],"the":[1,20,92,99,107,130,149,151,154,176,195,215,229,255,260,263,274,277,290,295,305,308],"structural":[2],"images":[3],"of":[4,85,94,101,133,158,179,198],"human":[5],"body":[6],"compartments":[7],"as":[8],"point-of-care":[9],"imaging":[10],"could":[11],"be":[12],"possible":[13],"using":[14],"electrical":[15],"impedance":[16],"tomography":[17],"(EIT),":[18],"but":[19],"reconstructed":[21],"image":[22],"deteriorates":[23],"due":[24],"to":[25,58,271,301],"high":[26,69],"conductivity":[27],"contrast":[28],"<inline-formula":[29,60,73,134,166,185,204,218,238,246,282],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[30,61,74,80,135,167,186,205,219,239,247,283],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">":[31,62,75,136,168,187,206,220,240,248,284],"<tex-math":[32,63,76,137,169,188,207,221,241,249,285],"notation=\"LaTeX\">$\\mu":[33,64,138],"$":[34,65,139,223,243,252],"</tex-math></inline-formula>":[35,66,78,140,174,193,212,224,244,253,288],"between":[36],"anomaly":[37],"and":[38,123,142,214],"background.":[39],"In":[40],"this":[41],"study,":[42],"a":[43,48],"multifrequency":[44],"EIT":[45,87,114,267],"(mf-EIT)":[46],"with":[47,144,304],"ratiometric":[49,86,95,109,111],"preprocessing":[50,84],"(ratiometric":[51],"EIT)":[52],"has":[53],"been":[54],"developed":[55],"in":[56,228,273],"order":[57],"minimize":[59],"while":[67],"maintaining":[68],"distinguishability":[70],"without":[71],"any":[72],"notation=\"LaTeX\">$a$":[77],"<italic":[79],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">priori</i>":[81],"information.":[82],"The":[83,119,232],"is":[88,116,121,257,297],"achieved":[89],"by":[90,126,254,262,294,307],"extending":[91],"framework":[93],"methods":[96],"that":[97],"uses":[98],"ratio":[100,156,236],"two":[102],"measurement":[103],"signals.":[104],"Based":[105],"on":[106],"proposed":[108],"preprocessing,":[110],"frequency-difference":[112,265],"adjacent":[113,266],"(rfda-EIT)":[115],"newly":[117],"derived.":[118],"rfda-EIT":[120,152,256,296],"qualitatively":[122],"quantitatively":[124],"evaluated":[125],"numerical":[127,230],"simulation":[128],"under":[129],"variant":[131],"conditions":[132],"(=95%\u201310%)":[141],"experiment":[143],"eight":[145],"subjects\u2019":[146],"calves.":[147],"As":[148],"results,":[150],"scores":[153],"area":[155,235],"error":[157,178,197,237,261],"subcutaneous":[159],"adipose":[160],"tissue":[161],"(SAT)":[162],"17.09%":[163],"<":[164,183,202,226],"ARE":[165,245],"notation=\"LaTeX\">$^{\\mathrm":[170,189,208,250,286],"{SAT}}":[171],"&lt;":[172,191,210],"28.13$":[173],"%,":[175,194,213],"position":[177,196],"bone":[180,199,291],"tibia":[181,292],"0.14%":[182],"PE":[184,203],"{tibia}}":[190],"10.19$":[192],"fibula":[200],"9.51%":[201],"{fibula}}":[209],"1.74$":[211],"correlation":[216],"coefficients":[217],"notation=\"LaTeX\">$0.79&lt;":[222],"CC":[225],"0.91":[227],"simulation.":[231],"total":[233],"mean":[234],"notation=\"LaTeX\">$\\langle":[242],"{SAT}}\\rangle":[251],"lower":[258],"than":[259],"classical":[264],"(fda-EIT)":[268],"from":[269,299],"12.70%":[270],"5.18%":[272],"experiment.":[275],"Moreover,":[276],"true":[278],"positive":[279],"rate":[280,306],"TPR":[281],"{tibia}}$":[287],"for":[289],"detection":[293],"increased":[298],"50.0%":[300],"87.5%":[302],"compared":[303],"fda-EIT.":[309]},"counts_by_year":[{"year":2025,"cited_by_count":5},{"year":2024,"cited_by_count":6},{"year":2023,"cited_by_count":3},{"year":2022,"cited_by_count":1}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}