{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,9,24]],"date-time":"2025-09-24T09:57:46Z","timestamp":1758707866011,"version":"3.41.2"},"reference-count":33,"publisher":"World Scientific Pub Co Pte Ltd","issue":"06","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Int. J. Patt. Recogn. Artif. Intell."],"published-print":{"date-parts":[[2023,5]]},"abstract":"<jats:p> COVID-19 is known in recent times as a severe syndrome of respiratory organ (Lungs) and has gradually produced pneumonia, a lung disorder all around the world. As coronavirus is continually spreading rapidly globally, the computed tomography (CT) technique has been made important and essential for quick diagnosis of this dangerous syndrome. Hence, it is necessitated to develop a precise computer-based technique for assisting medical clinicians in identifying the COVID-19 influenced patients with the help of CT scan images. Therefore, the multilayer perceptron neural networks optimized with Garra Rufa Fish optimization using images of CT scan is proposed in this paper for the classification of COVID-19 patients (COV-19-MPNN-GRF-CTI). The input images are taken from SARS-COV-2 CT-scan dataset. Initially, the input images are pre-processed utilizing convolutional auto-encoder (CAE) to enhance the quality of the input images by eliminating noises. The pre-processed images are fed to Residual Network (ResNet-50) for extracting the global and statistical features. The extraction over the features of CT scan images is made through ResNet-50 and subsequently input to multilayer perceptron neural networks (MPNN) for CT images classification as COVID-19 and Non-COVID-19 patients. Here, the layer of Batch Normalization of the MPNN is separated and added with ResNet-50 layer. Generally, MPNN classifier does not divulge any adoption of optimization approach for calculating the optimal parameters and accurately classifying the extracted features of CT images. The Garra Rufa Fish (GRF) optimization algorithm performs to optimize the weight parameters of MPNN classifiers. The proposed approach is executed in MATLAB. The performance metrics, such as sensitivity, precision, specificity, [Formula: see text]-measure, accuracy and error rate, are examined. Then the performance of the proposed COV-19-MPNN-GRF-CTI method provides 22.08%, 24.03%, 34.76% higher accuracy, 23.34%, 26.45%, 34.44% higher precision, 33.98%, 21.95%, 34.78% lower error rate compared with the existing methods, like multi-task deep learning using CT image analysis for COVID-19 pneumonia classification and segmentation (COV-19-MDP-CTI), COVID-19 classification utilizing CT scan depending on meta-classifier approach (COV-19-SEMC-CTI) and deep learning-based COVID-19 prediction utilizing CT scan images (COV-19-CNN-CTI), respectively. <\/jats:p>","DOI":"10.1142\/s0218001423570033","type":"journal-article","created":{"date-parts":[[2023,2,24]],"date-time":"2023-02-24T13:23:08Z","timestamp":1677244988000},"source":"Crossref","is-referenced-by-count":8,"title":["Classification of COVID-19 Patient Based on Multilayer Perceptron Neural Networks Optimized with Garra Rufa Fish Optimization Using CT Scan Images"],"prefix":"10.1142","volume":"37","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-6080-1876","authenticated-orcid":false,"given":"Vairaprakash","family":"Selvaraj","sequence":"first","affiliation":[{"name":"Department of Electronics and Communication Engineering, Ramco Institute of Technology, Rajapalayam 626117, Tamil Nadu, India"}]},{"given":"Manjunathan","family":"Alagarsamy","sequence":"additional","affiliation":[{"name":"Department of Electronics and Communication Engineering, K. Ramakrishnan College of Technology, Trichy 621112, Tamil Nadu, India"}]},{"given":"Dineshkumar","family":"Thangaraju","sequence":"additional","affiliation":[{"name":"Department of Electronics and Communication Engineering, Kongunadu College of Engineering and Technology, Trichy 621215, Tamil Nadu, India"}]},{"given":"Dinesh Paramathi","family":"Mani","sequence":"additional","affiliation":[{"name":"Department of Electronics and Communication Engineering, Sona College of Technology, Salem 636005, Tamil Nadu, India"}]}],"member":"219","published-online":{"date-parts":[[2023,5,6]]},"reference":[{"issue":"2","key":"S0218001423570033BIB001","doi-asserted-by":"crossref","first-page":"455","DOI":"10.3390\/s21020455","volume":"21","author":"Alshazly H.","year":"2021","journal-title":"Sensors"},{"issue":"5","key":"S0218001423570033BIB002","doi-asserted-by":"crossref","first-page":"1677","DOI":"10.1007\/s12559-021-09926-6","volume":"14","author":"Amin J.","year":"2021","journal-title":"Cogn. 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