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- W2088896782 abstract "The segmentation of liver using computed tomography (CT) data has gained a lot of importance in the medical image processing field. In this paper, we present a survey on liver segmentation methods and techniques using CT images for liver segmentation. An adaptive initialization method was developed to produce fully automatic processing frameworks based on graph-cut and gradient flow active contour algorithms. This method was applied to abdominal Computed Tomography (CT) images for segmentation of liver tissue and hepatic tumors. Twenty-five anonymized datasets were randomly collected from several radiology centres without specific request on acquisition parameter settings nor patient clinical situation as inclusion criteria. Resulting automatic segmentations of liver tissue and tumors were compared to their reference standard delineations manually performed by a specialist. Segmentation accuracy has been assessed through the following evaluation framework: dice similarity coefficient, false negative ratio, false positive ratio and processing time. The implemented initialization method allows fully automatic segmentation leading to superior overall performances of graph-cut algorithm in terms of accuracy and processing time. The initialization method here presented resulted suitable and reliable for two different segmentation techniques and could be further extended." @default.
- W2088896782 created "2016-06-24" @default.
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- W2088896782 date "2014-02-01" @default.
- W2088896782 modified "2023-09-27" @default.
- W2088896782 title "Segmentations of Liver and Hepatic Tumors from 3D Computed Tomography Abdominal Images" @default.
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- W2088896782 doi "https://doi.org/10.4028/www.scientific.net/amr.898.684" @default.
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