{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,14]],"date-time":"2026-03-14T11:21:32Z","timestamp":1773487292342,"version":"3.50.1"},"reference-count":28,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2007,9,2]],"date-time":"2007-09-02T00:00:00Z","timestamp":1188691200000},"content-version":"vor","delay-in-days":244,"URL":"http:\/\/creativecommons.org\/licenses\/by\/3.0\/"}],"funder":[{"DOI":"10.13039\/100000002","name":"National Institutes of Health","doi-asserted-by":"publisher","award":["NIH R01 RR018961"],"award-info":[{"award-number":["NIH R01 RR018961"]}],"id":[{"id":"10.13039\/100000002","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["International Journal of Biomedical Imaging"],"published-print":{"date-parts":[[2007,1]]},"abstract":"<jats:p>Electrical impedance tomography (EIT) produces an image of the electrical impedance distribution of \n    tissues in the body, using electrodes that are placed on the periphery of the imaged area. These \n    electrodes inject currents and measure voltages and from these data, the impedance can be \n    computed. Traditional EIT systems usually inject current patterns in a serial manner which means \n    that the impedance is computed from data collected at slightly different times. It is usually also a time\u2010consuming process. In this paper, we propose a method for collecting data concurrently from all of the current patterns in biomedical applications of EIT. This is achieved by injecting current through all of \n    the current injecting electrodes simultaneously, and measuring all of the resulting voltages at once. \n    The signals from various current injecting electrodes are separated by injecting different frequencies \n    through each electrode. This is called frequency\u2010division multiplexing (FDM). At the voltage \n    measurement electrodes, the voltage related to each current injecting electrode is isolated by using \n    Fourier decomposition. In biomedical applications, using different frequencies has important \n    implications due to dispersions as the tissue\u2032s electrical properties change with \n    frequency. Another significant issue arises when we are recording data in a dynamic environment \n    where the properties change very fast. This method allows simultaneous measurements of all the \n    current patterns, which may be important in applications where the tissue changes occur in the same \n    time scale as the measurement. We discuss the FDM EIT method from the biomedical point of view \n    and show results obtained with a simple experimental system.<\/jats:p>","DOI":"10.1155\/2007\/54798","type":"journal-article","created":{"date-parts":[[2007,9,12]],"date-time":"2007-09-12T09:19:42Z","timestamp":1189588782000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":23,"title":["Frequency\u2010Division Multiplexing for Electrical Impedance Tomography in Biomedical Applications"],"prefix":"10.1155","volume":"2007","author":[{"given":"Yair","family":"Granot","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Antoni","family":"Ivorra","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Boris","family":"Rubinsky","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2007,9,2]]},"reference":[{"key":"e_1_2_1_1_2","doi-asserted-by":"publisher","DOI":"10.3109\/03091909709070013"},{"key":"e_1_2_1_2_2","doi-asserted-by":"publisher","DOI":"10.1088\/0957-0233\/13\/12\/310"},{"key":"e_1_2_1_3_2","doi-asserted-by":"publisher","DOI":"10.1146\/annurev.bioeng.8.061505.095716"},{"key":"e_1_2_1_4_2","doi-asserted-by":"publisher","DOI":"10.1088\/0967-3334\/23\/1\/312"},{"key":"e_1_2_1_5_2","doi-asserted-by":"publisher","DOI":"10.1109\/10.664204"},{"key":"e_1_2_1_6_2","doi-asserted-by":"publisher","DOI":"10.1109\/TBME.2003.820389"},{"key":"e_1_2_1_7_2","doi-asserted-by":"publisher","DOI":"10.1088\/0967-3334\/26\/2\/021"},{"key":"e_1_2_1_8_2","doi-asserted-by":"publisher","DOI":"10.1117\/1.1377308"},{"key":"e_1_2_1_9_2","doi-asserted-by":"publisher","DOI":"10.1088\/0967-3334\/15\/2A\/005"},{"key":"e_1_2_1_10_2","unstructured":"TeagueG. Mass flow measurement of multi-phase mixtures by means of tomographic techniques Ph.D. thesis 2002 Electrical Engineering University of Cape Town Cape Town South Africa."},{"key":"e_1_2_1_11_2","doi-asserted-by":"publisher","DOI":"10.1006\/cryo.1998.2148"},{"key":"e_1_2_1_12_2","doi-asserted-by":"publisher","DOI":"10.1109\/10.991168"},{"key":"e_1_2_1_13_2","unstructured":"RubinskyB.andHuangY. Electrical impedance tomography to control electroporation 2002 MayUS patent no. #6 387 671."},{"key":"e_1_2_1_14_2","doi-asserted-by":"publisher","DOI":"10.1111\/j.1749-6632.1957.tb36701.x"},{"key":"e_1_2_1_15_2","first-page":"25","volume-title":"Handbook of Biological Effects of Electromagnetic Fields","author":"Foster K. R.","year":"1996"},{"key":"e_1_2_1_16_2","volume-title":"Bioimpedance and Bioelectricity Basics","author":"Grimnes S.","year":"2000"},{"key":"e_1_2_1_17_2","volume-title":"Physical Properties of Tissues: A Comprehensive Reference Book","author":"Duck F. 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