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Analyzing photoacoustic signals, however, is challenging to provide qualitative results in an automated way. In this work, we introduce a dynamic modeling scheme of photoacoustic sensor data to classify blood samples according to their physiological status. Thirty-five whole human blood samples were studied with a state-space model estimated by a subspace method. Furthermore, the samples are classified using the model parameters and the linear discriminant analysis algorithm. The classification performance is compared with time- and frequency-domain features and an autoregressive-moving-average model. As a result, the proposed analysis can predict five blood classes: healthy women and men, microcytic and macrocytic anemia, and leukemia. Our findings indicate that the proposed method outperforms conventional signal processing techniques to analyze photoacoustic data for medical diagnosis. Hence, the method is a promising tool in point-of-care devices to detect hematological diseases in clinical scenarios.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Graphical abstract<\/jats:title>\n                \n              <\/jats:sec>","DOI":"10.1007\/s11517-023-02939-3","type":"journal-article","created":{"date-parts":[[2023,10,25]],"date-time":"2023-10-25T23:02:57Z","timestamp":1698274977000},"page":"389-403","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Dynamic modeling of photoacoustic sensor data to classify human blood samples"],"prefix":"10.1007","volume":"62","author":[{"given":"Argelia","family":"P\u00e9rez-Pacheco","sequence":"first","affiliation":[]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1825-4917","authenticated-orcid":false,"given":"Roberto G.","family":"Ram\u00edrez-Chavarr\u00eda","sequence":"additional","affiliation":[]},{"given":"Rosa M.","family":"Quispe-Siccha","sequence":"additional","affiliation":[]},{"given":"Marco P.","family":"Col\u00edn-Garc\u00eda","sequence":"additional","affiliation":[]}],"member":"297","published-online":{"date-parts":[[2023,10,25]]},"reference":[{"issue":"4","key":"2939_CR1","doi-asserted-by":"publisher","first-page":"602","DOI":"10.1098\/rsfs.2011.0028","volume":"1","author":"P Beard","year":"2011","unstructured":"Beard P (2011) Biomedical photoacoustic imaging. 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