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10.1016/j.asoc.2020.107052

http://scihub22266oqcxt.onion/10.1016/j.asoc.2020.107052
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33519325!7837203!33519325
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suck abstract from ncbi


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pmid33519325      Appl+Soft+Comput 2021 ; 101 (ä): 107052
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  • COVID-19 X-ray images classification based on enhanced fractional-order cuckoo search optimizer using heavy-tailed distributions #MMPMID33519325
  • Yousri D; Abd Elaziz M; Abualigah L; Oliva D; Al-Qaness MAA; Ewees AA
  • Appl Soft Comput 2021[Mar]; 101 (ä): 107052 PMID33519325show ga
  • Classification of COVID-19 X-ray images to determine the patient's health condition is a critical issue these days since X-ray images provide more information about the patient's lung status. To determine the COVID-19 case from other normal and abnormal cases, this work proposes an alternative method that extracted the informative features from X-ray images, leveraging on a new feature selection method to determine the relevant features. As such, an enhanced cuckoo search optimization algorithm (CS) is proposed using fractional-order calculus (FO) and four different heavy-tailed distributions in place of the Levy flight to strengthen the algorithm performance during dealing with COVID-19 multi-class classification optimization task. The classification process includes three classes, called normal patients, COVID-19 infected patients, and pneumonia patients. The distributions used are Mittag-Leffler distribution, Cauchy distribution, Pareto distribution, and Weibull distribution. The proposed FO-CS variants have been validated with eighteen UCI data-sets as the first series of experiments. For the second series of experiments, two data-sets for COVID-19 X-ray images are considered. The proposed approach results have been compared with well-regarded optimization algorithms. The outcomes assess the superiority of the proposed approach for providing accurate results for UCI and COVID-19 data-sets with remarkable improvements in the convergence curves, especially with applying Weibull distribution instead of Levy flight.
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