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A framework for medical image segmentation based on measuring diversity of pixel’s intensity utilizing interval approach

Elaraby A.E.
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Segmentation of medical image is one of the most challenging tasks in analysis of medical image. It classifies the organs pixels or lesions from medical images background like MRI or CT scans, that is to provide critical information about the human organ’s volumes and shapes. In scientific imaging field, medical imaging is considered one of the most important topics due to the rapid and continuing progress in computerized medical image visualization, advances in analysis approaches and computer-aided diagnosis. Digital image processing becomes more important in healthcare field due to the growing use of direct digital imaging systems for medical diagnostics. Due to medical imaging techniques, approaches of image processing are now applicable in medicine. Generally, various transformations will be needed to extract image data. Also, a digital image can be considered an approximation of a real situation includes some uncertainty derived from the constraints on the process of vision. Since information on the level of uncertainty will influence an expert’s attitude. To address this challenge, we propose novel framework involving interval concept that consider a good tool for dealing with the uncertainty, In the proposed approach, the medical images are transformed into interval valued representation approach and entropies are defined for an image object and background. Then we determine a threshold for lower-bound image and for upper-bound image, and then calculate the mean value for the final output results. To demonstrate the effectiveness of the proposed framework, we evaluate it by using synthetic image and its ground truth. Experimental results showed how performance of the segmentation-based entropy threshold can be enhanced using proposed approach to overcome ambiguity.

Ключевые слова: segmentation, interval arithmetic, entropy, thresholding, medical imaging
Цитата: Elaraby A.E. A framework for medical image segmentation based on measuring diversity of pixel’s intensity utilizing interval approach // Компьютерные исследования и моделирование, 2021, т. 13, № 5, с. 1059-1066
Citation in English: Elaraby A.E. A framework for medical image segmentation based on measuring diversity of pixel’s intensity utilizing interval approach // Computer Research and Modeling, 2021, vol. 13, no. 5, pp. 1059-1066
DOI: 10.20537/2076-7633-2021-13-5-1059-1066
URL: http://crm.ics.org.ru/journal/article/3128/
Creative Commons License Статья доступна по лицензии Creative Commons Attribution-NoDerivs 3.0 Unported License.

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