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CT Liver Segmentation Using Artificial Bee Colony Optimisation

Mostafa, Abdalla, Fouad, Ahmed, Elfattah, Mohamed Abd, Hassanien, Aboul Ella, Hefny, Hesham, Zhu, Shao Ying and Schaefer, Gerald (2015) CT Liver Segmentation Using Artificial Bee Colony Optimisation. Procedia Computer Science, 60. pp. 1622-1630.

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The automated segmentation of the liver area is an essential phase in liver diagnosis from medical images. In this paper, we propose an artificial bee colony (ABC) optimisation algorithm that is used as a clustering technique to segment the liver in CT images. In our algorithm, ABC calculates the centroids of clusters in the image together with the region corresponding to each cluster. Using mathematical morphological operations, we then remove small and thin regions, which may represents flesh regions around the liver area, sharp edges of organs or small lesions inside the liver. The extracted regions are integrated to give an initial estimate of the liver area. In a final step, this is further enhanced using a region growing approach. In our experiments, we employed a set of 38 images, taken in pre-contrast phase, and the similarity index calculated to judge the performance of our proposed approach. This experimental evaluation confirmed our approach to afford a very good segmentation accuracy of 93.73% on the test dataset.

Item Type: Article
Status: Published
DOI: https://doi.org/10.1016/j.procs.2015.08.272
School/Department: School of Science, Technology and Health
URI: https://ray.yorksj.ac.uk/id/eprint/9924

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