AUTOMATED FEATURE EXTRACTION AND CLASSIFICATION OF COVID-19 CHEST X-RAY IMAGES USING CONVOLUTIONAL NEURAL NETWORKS AND XGBOOST ALGORITHMS. jbse [Internet]. 2024 Jun. 25 [cited 2024 Sep. 19];21(1):1338-62. Available from: https://yigkx.org.cn/index.php/jbse/article/view/196