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In this study, structural magnetic resonance images (sMRIs) from SZ patients and NCs were used for discriminative analysis. This study proposed an ML framework based on coarse-to-fine feature selection. The proposed framework used two-sample <jats:italic>t<\/jats:italic>-tests to extract the differences between groups first, then further eliminated the nonrelevant and redundant features with recursive feature elimination (RFE), and finally utilized the support vector machine (SVM) to learn the decision models with selected gray matter (GM) and white matter (WM) features. Previous studies have tended to report differences at the group level instead of at the individual level and cannot be widely applied. The method proposed in this study extends the diagnosis to the individual level and has a higher recognition rate than previous methods. The experimental results of this study demonstrate that the proposed framework distinguishes SZ patients from NCs, with the highest classification accuracy reaching over 85%. The identified biomarkers are also consistent with previous literature findings. As a universal method, the proposed framework can be extended to diagnose other diseases.<\/jats:p>","DOI":"10.1155\/2020\/6405930","type":"journal-article","created":{"date-parts":[[2020,3,18]],"date-time":"2020-03-18T23:31:02Z","timestamp":1584574262000},"page":"1-13","source":"Crossref","is-referenced-by-count":30,"title":["Detecting Abnormal Brain Regions in Schizophrenia Using Structural MRI via Machine Learning"],"prefix":"10.1155","volume":"2020","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-2265-0085","authenticated-orcid":true,"given":"ZhiHong","family":"Chen","sequence":"first","affiliation":[{"name":"College of Information Technology and Engineering, Chengdu University, Chengdu, China"}]},{"given":"Tao","family":"Yan","sequence":"additional","affiliation":[{"name":"College of Information Technology and Engineering, Chengdu University, Chengdu, China"},{"name":"Key Laboratory of Pattern Recognition and Intelligent Information Processing in Sichuan, Chengdu, 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