{"id":"https://openalex.org/W2062811802","doi":"https://doi.org/10.1088/0143-0815/9/4a/023","title":"A regularised electrical impedance tomography reconstruction algorithm","display_name":"A regularised electrical impedance tomography reconstruction algorithm","publication_year":1988,"publication_date":"1988-11-01","ids":{"openalex":"https://openalex.org/W2062811802","doi":"https://doi.org/10.1088/0143-0815/9/4a/023","mag":"2062811802","pmid":"https://pubmed.ncbi.nlm.nih.gov/3240642"},"language":"en","primary_location":{"id":"doi:10.1088/0143-0815/9/4a/023","doi":"https://doi.org/10.1088/0143-0815/9/4a/023","is_oa":true,"landing_page_url":"https://doi.org/10.1088/0143-0815/9/4a/023","pdf_url":"https://iopscience.iop.org/article/10.1088/0143-0815/9/4A/023/pdf","source":{"id":"https://openalex.org/S159321577","display_name":"Clinical Physics and Physiological Measurement","issn_l":"0143-0815","issn":["0143-0815"],"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/P4310320083","host_organization_name":"IOP Publishing","host_organization_lineage":["https://openalex.org/P4310320083","https://openalex.org/P4310311669"],"host_organization_lineage_names":["IOP Publishing","Institute of Physics"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Clinical Physics and Physiological Measurement","raw_type":"journal-article"},"volume":null,"type":"article","indexed_in":["crossref","pubmed"],"open_access":{"is_oa":true,"oa_status":"bronze","oa_url":"https://iopscience.iop.org/article/10.1088/0143-0815/9/4A/023/pdf","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5100729963","display_name":"Ping Hua","orcid":"https://orcid.org/0000-0001-9559-8065","observed_orcids":["https://orcid.org/0000-0001-9559-8065"]},"institutions":[{"id":"https://openalex.org/I135310074","display_name":"University of Wisconsin\u2013Madison","ror":"https://ror.org/01y2jtd41","country_code":"US","type":"education","lineage":["https://openalex.org/I135310074"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"P Hua","raw_affiliation_strings":["Department of Electrical and Computer Engineering, University of Wisconsin 53706","Dept. of Electr. & Comput. Eng., Wisconsin Univ., Madison, WI, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, University of Wisconsin 53706","institution_ids":[]},{"raw_affiliation_string":"Dept. of Electr. & Comput. Eng., Wisconsin Univ., Madison, WI, USA","institution_ids":["https://openalex.org/I135310074"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5081171990","display_name":"John G. Webster","orcid":"https://orcid.org/0000-0003-4172-8092","observed_orcids":["https://orcid.org/0000-0003-4172-8092"]},"institutions":[{"id":"https://openalex.org/I135310074","display_name":"University of Wisconsin\u2013Madison","ror":"https://ror.org/01y2jtd41","country_code":"US","type":"education","lineage":["https://openalex.org/I135310074"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"J G Webster","raw_affiliation_strings":["Dept. of Electr. & Comput. Eng., Wisconsin Univ., Madison, WI, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Dept. of Electr. & Comput. Eng., Wisconsin Univ., Madison, WI, USA","institution_ids":["https://openalex.org/I135310074"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5071199550","display_name":"Willis J. Tompkins","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I135310074","display_name":"University of Wisconsin\u2013Madison","ror":"https://ror.org/01y2jtd41","country_code":"US","type":"education","lineage":["https://openalex.org/I135310074"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"W J Tompkins","raw_affiliation_strings":["Dept. of Electr. & Comput. Eng., Wisconsin Univ., Madison, WI, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Dept. of Electr. & Comput. Eng., Wisconsin Univ., Madison, WI, USA","institution_ids":["https://openalex.org/I135310074"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I135310074"],"apc_list":null,"apc_paid":null,"fwci":0.9718,"has_fulltext":true,"cited_by_count":66,"citation_normalized_percentile":{"value":0.76160776,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":"9","issue":"4A","first_page":"137","last_page":"141"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11778","display_name":"Electrical and Bioimpedance Tomography","score":0.9945999979972839,"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":0.9945999979972839,"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/T11205","display_name":"Numerical methods in inverse problems","score":0.004999999888241291,"subfield":{"id":"https://openalex.org/subfields/2610","display_name":"Mathematical Physics"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10572","display_name":"Geophysical and Geoelectrical Methods","score":0.00019999999494757503,"subfield":{"id":"https://openalex.org/subfields/1908","display_name":"Geophysics"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"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":0.9990000128746033},{"id":"https://openalex.org/keywords/image-reconstruction","display_name":"image reconstruction","score":0.9259999990463257},{"id":"https://openalex.org/keywords/regularization","display_name":"regularization","score":0.8130000233650208},{"id":"https://openalex.org/keywords/newton-s-method","display_name":"Newton's method","score":0.9539999961853027},{"id":"https://openalex.org/keywords/ill-conditioned-problems","display_name":"ill-conditioned problems","score":0.9070000052452087},{"id":"https://openalex.org/keywords/measurement-error","display_name":"measurement error","score":0.9599999785423279}],"concepts":[{"id":"https://openalex.org/C155175808","wikidata":"https://www.wikidata.org/wiki/Q1326472","display_name":"Electrical impedance tomography","level":3,"score":0.7968020439147949},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5442020297050476},{"id":"https://openalex.org/C163716698","wikidata":"https://www.wikidata.org/wiki/Q841267","display_name":"Tomography","level":2,"score":0.5308459997177124},{"id":"https://openalex.org/C17829176","wikidata":"https://www.wikidata.org/wiki/Q179043","display_name":"Electrical impedance","level":2,"score":0.5277099013328552},{"id":"https://openalex.org/C2779898584","wikidata":"https://www.wikidata.org/wiki/Q7820109","display_name":"Reconstruction algorithm","level":3,"score":0.4987809658050537},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.444487065076828},{"id":"https://openalex.org/C141379421","wikidata":"https://www.wikidata.org/wiki/Q6094427","display_name":"Iterative reconstruction","level":2,"score":0.4008423686027527},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.34554189443588257},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.32446110248565674},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2724224925041199},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.21130266785621643},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.1299058198928833},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.12231215834617615},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.09698542952537537},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.06357946991920471},{"id":"https://openalex.org/C2775924081","wikidata":"https://www.wikidata.org/wiki/Q55608371","display_name":"Control (management)","level":2,"score":0.0}],"mesh":[{"descriptor_ui":"D000465","descriptor_name":"Algorithms","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D004553","descriptor_name":"Electric Conductivity","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":"D008962","descriptor_name":"Models, Theoretical","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D014054","descriptor_name":"Tomography","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":true}],"locations_count":2,"locations":[{"id":"doi:10.1088/0143-0815/9/4a/023","doi":"https://doi.org/10.1088/0143-0815/9/4a/023","is_oa":true,"landing_page_url":"https://doi.org/10.1088/0143-0815/9/4a/023","pdf_url":"https://iopscience.iop.org/article/10.1088/0143-0815/9/4A/023/pdf","source":{"id":"https://openalex.org/S159321577","display_name":"Clinical Physics and Physiological Measurement","issn_l":"0143-0815","issn":["0143-0815"],"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/P4310320083","host_organization_name":"IOP Publishing","host_organization_lineage":["https://openalex.org/P4310320083","https://openalex.org/P4310311669"],"host_organization_lineage_names":["IOP Publishing","Institute of Physics"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Clinical Physics and Physiological Measurement","raw_type":"journal-article"},{"id":"pmid:3240642","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/3240642","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":"Clinical physics and physiological measurement : an official journal of the Hospital Physicists' Association, Deutsche Gesellschaft fur Medizinische Physik and the European Federation of Organisations for Medical Physics","raw_type":"Journal Article"}],"best_oa_location":{"id":"doi:10.1088/0143-0815/9/4a/023","doi":"https://doi.org/10.1088/0143-0815/9/4a/023","is_oa":true,"landing_page_url":"https://doi.org/10.1088/0143-0815/9/4a/023","pdf_url":"https://iopscience.iop.org/article/10.1088/0143-0815/9/4A/023/pdf","source":{"id":"https://openalex.org/S159321577","display_name":"Clinical Physics and Physiological Measurement","issn_l":"0143-0815","issn":["0143-0815"],"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/P4310320083","host_organization_name":"IOP Publishing","host_organization_lineage":["https://openalex.org/P4310320083","https://openalex.org/P4310311669"],"host_organization_lineage_names":["IOP Publishing","Institute of Physics"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Clinical Physics and Physiological Measurement","raw_type":"journal-article"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2062811802.pdf","grobid_xml":"https://content.openalex.org/works/W2062811802.grobid-xml"},"referenced_works_count":8,"referenced_works":["https://openalex.org/W2012174061","https://openalex.org/W2028484327","https://openalex.org/W2033357556","https://openalex.org/W2040348328","https://openalex.org/W2043426891","https://openalex.org/W2080004962","https://openalex.org/W2087070363","https://openalex.org/W2142635246"],"related_works":["https://openalex.org/W2166981273","https://openalex.org/W2381534369","https://openalex.org/W7070851404","https://openalex.org/W2077756461","https://openalex.org/W2034612641","https://openalex.org/W193647528","https://openalex.org/W2366382248","https://openalex.org/W2077204104","https://openalex.org/W2320742201","https://openalex.org/W2034290480"],"abstract_inverted_index":{"The":[0],"Newton-Raphson":[1],"algorithm":[2],"is":[3],"an":[4],"effective":[5],"reconstruction":[6,37],"method.":[7,38],"However,":[8],"it":[9],"exhibits":[10],"degraded":[11],"performance":[12],"for":[13],"ill-conditioned":[14],"problems,":[15],"especially":[16],"in":[17],"the":[18,26,31,36,42,54],"presence":[19],"of":[20],"measurement":[21],"error.":[22],"This":[23],"paper":[24],"uses":[25],"regularisation":[27],"method":[28],"to":[29,53],"improve":[30],"system's":[32],"conditioning,":[33],"which":[34],"stabilises":[35],"It":[39],"shows":[40],"that":[41],"[[":[43,55],"p''":[44],"]]":[45,57],"penalty":[46,58],"form":[47],"yields":[48],"superior":[49],"images,":[50],"as":[51],"compared":[52],"p":[56],"form.":[59]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":1},{"year":2020,"cited_by_count":4},{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":3},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":6},{"year":2015,"cited_by_count":1},{"year":2014,"cited_by_count":1},{"year":2013,"cited_by_count":1},{"year":2012,"cited_by_count":4}],"updated_date":"2026-10-31T12:09:11.096373","created_date":"2016-06-24T00:00:00"}