In order to categorize brain tumors, this study uses a deep convolutional neural network (DCNN) based on Henry gas bird swarm optimization (HGBSO). The Henry gas solubility optimization (HGSO) and bird swarm algorithm techniques were merged to form the HGBSO algorithm, which was used to train the DCNN classifier. Following the first preprocessing of the images using the Gaussian filter, the Region of Interest extraction approach is utilized to reduce noise from the input MR images. After that, the regions of brain tumors are divided using a deep fuzzy clustering technique. Meanwhile, key characteristics are taken from the segmented image in order to perform an efficient classification procedure. Moreover, for improving the classification accuracy rate, data augmentation is performed. Finally, the augmented data along with total features are considered as input for developed HGBSO trained DCNN classifier, where the classification of brain tumor is performed. In terms of various metrics, the developed strategy performs better than other existing methods, obtaining values of 0.9221 for accuracy, 0.9324 for sensitivity, and 0.9295 for specificity.
Respiratory sounds disclose significant information regarding the lungs of patients. Numerous methods are developed for analyzing the lung sounds. However, clinical approaches require qualified pulmonologists to diagnose such kind of signals appropriately and are also time consuming. Hence, an efficient Fractional Water Cycle Swarm Optimizer-based Deep Residual Network (FrWCSO-based DRN) is developed in this research for detecting the pulmonary abnormalities using respiratory sounds signals. The proposed FrWCSO is newly designed by the incorporation of Fractional Calculus (FC) and Water Cycle Swarm Optimizer WCSO. Meanwhile, WCSO is the combination of Water Cycle Algorithm (WCA) with Competitive Swarm Optimizer (CSO). The respiratory input sound signals are pre-processed and the important features needed for the further processing are effectively extracted. With the extracted features, data augmentation is carried out for minimizing the over fitting issues for improving the overall detection performance. Once data augmentation is done, feature selection is performed using proposed FrWCSO algorithm. Finally, pulmonary abnormality detection is performed using DRN where the training procedure of DRN is performed using the developed FrWCSO algorithm. The developed method achieved superior performance by considering the evaluation measures, namely True Positive Rate (TPR), True Negative Rate (TNR) and testing accuracy with the values of 0.963, 0.932, and 0.948, respectively.
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