Efficient segmentation with the convex local-global fuzzy Gaussian distribution active contour for medical applications

A new active contour (LGFGD) was developed in our earlier conference paper. This contour uses local and global information along with Gaussian distribution. The present paper derives the main LGFGD equation and investigates its parameters σ, λ and m. Specific values are determined (for σ, λ, m) to ensure high accuracy of segmentation of medical images containing nonhomogeneous and noisy regions with week boundaries. To validate the model, a new set of experiments was performed with new images including 24 skin lesion images with ground truth. Thus, a statistic of the LGFGD performance was calculated regarding the model’s interval of confidence. Comparison with contemporary methods from the field is provided as well.

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