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However, the large number of data available to be analyzed in different contexts, such as in an image time series acquired by satellites, still pose challenges for the detection of anomalies, even when using computers. This study describes a machine learning strategy based on Kittler\u2019s taxonomy to detect anomalies related to water pollution in an image time series. We propose this strategy to monitor environments, detecting unexpected conditions that may occur (i.e., detecting outliers), and identifying those outliers in accordance with Kittler\u2019s taxonomy (i.e., detecting anomalies). According to our strategy, contextual and non-contextual image classifications were semi-automatically compared to find any divergence that indicates the presence of one type of anomaly defined by the taxonomy. In our strategy, models built to classify a single image were used to classify an image time series due to domain adaptation. The results 99.07%, 99.99%, 99.07%, and 99.53% were achieved by our strategy, respectively, for accuracy, precision, recall, and F-measure. These results suggest that our strategy allows computers to recognize contexts and enhances their capabilities to solve contextualized problems. Therefore, our strategy can be used to guide computational systems to make different decisions to solve a problem in response to each context. The proposed strategy is relevant for improving machine learning, as its use allows computers to have a more organized learning process. Our strategy is presented with respect to its applicability to help monitor environmental disasters. A minor limitation was found in the results caused by the use of domain adaptation. This type of limitation is fairly common when using domain adaptation, and therefore has no significance. Even so, future work should investigate other techniques for transfer learning.<\/jats:p>","DOI":"10.3390\/rs14092222","type":"journal-article","created":{"date-parts":[[2022,5,8]],"date-time":"2022-05-08T23:27:25Z","timestamp":1652052445000},"page":"2222","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["A Machine Learning Strategy Based on Kittler\u2019s Taxonomy to Detect Anomalies and Recognize Contexts Applied to Monitor Water Bodies in Environments"],"prefix":"10.3390","volume":"14","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-1361-6184","authenticated-orcid":false,"given":"Maur\u00edcio Ara\u00fajo","family":"Dias","sequence":"first","affiliation":[{"name":"Department of Mathematics and Computer Science, Faculty of Sciences and Technology, Campus Presidente Prudente, S\u00e3o Paulo State University (UNESP), Sao Paulo 19060-900, Brazil"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4074-2733","authenticated-orcid":false,"given":"Giovanna Carreira","family":"Marinho","sequence":"additional","affiliation":[{"name":"Department of Mathematics and Computer Science, Faculty of Sciences and Technology, Campus Presidente Prudente, S\u00e3o Paulo State University (UNESP), Sao Paulo 19060-900, Brazil"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4808-2362","authenticated-orcid":false,"given":"Rog\u00e9rio Galante","family":"Negri","sequence":"additional","affiliation":[{"name":"Department of Environmental Engineering, Sciences and Technology Institute, Campus S\u00e3o Jos\u00e9 dos Campos, S\u00e3o Paulo State University (UNESP), Sao Paulo 12247-004, Brazil"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1073-9939","authenticated-orcid":false,"given":"Wallace","family":"Casaca","sequence":"additional","affiliation":[{"name":"Department of Energy Engineering, Campus Rosana, S\u00e3o Paulo State University (UNESP), Sao Paulo 19274-000, Brazil"}]},{"given":"Ign\u00e1cio Bravo","family":"Mu\u00f1oz","sequence":"additional","affiliation":[{"name":"Polytechnic School, University of Alcal\u00e1 (UAH), 28805 Alcal\u00e1 de Henares, Spain"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9493-145X","authenticated-orcid":false,"given":"Danilo Medeiros","family":"Eler","sequence":"additional","affiliation":[{"name":"Department of Mathematics and Computer Science, Faculty of Sciences and Technology, Campus Presidente Prudente, S\u00e3o Paulo State University (UNESP), Sao Paulo 19060-900, Brazil"}]}],"member":"1968","published-online":{"date-parts":[[2022,5,6]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"1898","DOI":"10.1109\/LGRS.2015.2436899","article-title":"Combining Landsat TM\/ETM+ and HJ-1 A\/B CCD sensors for monitoring coastal water quality in Hong Kong","volume":"12","author":"Nazeer","year":"2015","journal-title":"IEEE Geosci. 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