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Among the available screening tools, there is the Electro-Impedance Mammography (EIM), which is a novel and less invasive method that captures the potential difference stored in breast tissues under the assumption that electrical properties among normal and pathologically altered tissues are different. In this paper, we address breast cancer detection as a multi-class problem aiming to determine the corresponding label in terms of the Breast Imaging Electrical Impedance classification system, the standard used by physicians for interpreting an EIM mammogram. For experimental purposes, for the first time in the literature, we took advantage of a dataset comprising EIM of Mexican patients. Aiming to establish a baseline for this task, traditional supervised learning methods were used together with two different feature extraction techniques: raw pixel data and transfer learning. Besides, data augmentation was exploited for compensating data imbalance. Different experimental settings were evaluated reaching classification rates over 0.85 in F-score. KNN emerges as a very promising classifier for addressing this task. The obtained results allow us to validate the usefulness of traditional methods for classifying electro-impedance mammograms.<\/jats:p>","DOI":"10.3233\/jifs-219254","type":"journal-article","created":{"date-parts":[[2021,12,21]],"date-time":"2021-12-21T12:41:15Z","timestamp":1640090475000},"page":"4659-4671","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":2,"title":["Electro-impedance mammograms for automatic breast cancer screening: First insights on Mexican patients"],"prefix":"10.1177","volume":"42","author":[{"given":"Rosario Lissiet","family":"Romero-Coripuna","sequence":"first","affiliation":[{"name":"Divisi\u00f3n de Ciencias e Ingenier\u00edas Campus Le\u00f3n Universidad de Guanajuato, Le\u00f3n, Guanajuato, M\u00e9xico"},{"name":"Escuela profesional de F\u00edsica, Facultad deCiencias Naturales y Formales, Universidad Nacional de SanAgust\u00edn, Arequipa, Per\u00fa"}]},{"given":"Delia Iraz\u00fa","family":"Hern\u00e1ndez-Far\u00edas","sequence":"additional","affiliation":[{"name":"Divisi\u00f3n de Ciencias e Ingenier\u00edas Campus Le\u00f3n Universidad de Guanajuato, Le\u00f3n, Guanajuato, M\u00e9xico"}]},{"given":"Blanca","family":"Murillo-Ortiz","sequence":"additional","affiliation":[{"name":"Unidad de Investigaci\u00f3n en Epidemiolog\u00edaCl\u00ednica, Unidad M\u00e9dica de Alta Especialidad No. 1 Baj\u00edo, Instituto Mexicano del Seguro Social; Le\u00f3n, Guanajuato, M\u00e9xico"},{"name":"OOAD Guanajuato, Instituto Mexicano del SeguroSocial, Le\u00f3n, Guanajuato, M\u00e9xico"}]},{"given":"Teodoro","family":"C\u00f3rdova-Fraga","sequence":"additional","affiliation":[{"name":"Divisi\u00f3n de Ciencias e Ingenier\u00edas Campus Le\u00f3n Universidad de Guanajuato, Le\u00f3n, Guanajuato, M\u00e9xico"}]}],"member":"179","published-online":{"date-parts":[[2021,12,15]]},"reference":[{"key":"e_1_3_2_2_2","doi-asserted-by":"publisher","DOI":"10.1088\/0967-3334\/35\/6\/965"},{"key":"e_1_3_2_3_2","doi-asserted-by":"publisher","DOI":"10.1088\/0022-3735\/17\/9\/002"},{"key":"e_1_3_2_4_2","unstructured":"Boit.J. 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