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• W3179669524 endingPage "16919" @default.
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• W3179669524 abstract "Coronavirus disease 2019 (COVID-19) is pervasive worldwide, posing a high risk to people's safety and health. Many algorithms were developed to identify COVID-19. One way of identifying COVID-19 is by computed tomography (CT) images. Some segmentation methods are proposed to extract regions of interest from COVID-19 CT images to improve the classification. In this paper, an efficient version of the recent manta ray foraging optimization (MRFO) algorithm is proposed based on the oppositionbased learning called the MRFO-OBL algorithm. The original MRFO algorithm can stagnate in local optima and requires further exploration with adequate exploitation. Thus, to improve the population variety in the search space, we applied Opposition-based learning (OBL) in the MRFO's initialization step. MRFO-OBL algorithm can solve the image segmentation problem using multilevel thresholding. The proposed MRFO-OBL is evaluated using Otsu's method over the COVID-19 CT images and compared with six meta-heuristic algorithms: sine-cosine algorithm, moth flame optimization, equilibrium optimization, whale optimization algorithm, slap swarm algorithm, and original MRFO algorithm. MRFO-OBL obtained useful and accurate results in quality, consistency, and evaluation matrices, such as peak signal-to-noise ratio and structural similarity index. Eventually, MRFO-OBL obtained more robustness for the segmentation than all other algorithms compared. The experimental results demonstrate that the proposed method outperforms the original MRFO and the other compared algorithms under Otsu's method for all the used metrics." @default.
• W3179669524 created "2021-07-19" @default.
• W3179669524 creator A5027679413 @default.
• W3179669524 creator A5056436780 @default.
• W3179669524 creator A5067926804 @default.
• W3179669524 date "2021-07-07" @default.
• W3179669524 modified "2023-09-29" @default.
• W3179669524 title "Improved manta ray foraging optimization for multi-level thresholding using COVID-19 CT images" @default.
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• W3179669524 doi "https://doi.org/10.1007/s00521-021-06273-3" @default.
• W3179669524 hasPubMedCentralId "https://www.ncbi.nlm.nih.gov/pmc/articles/8261821" @default.
• W3179669524 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/34248291" @default.
• W3179669524 hasPublicationYear "2021" @default.
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