Active Contours Driven by Multi-Feature Gaussian Distribution Fitting Energy with Application to Vessel Segmentation

Lei Wang, Huimao Zhang, Kan He, Yan Chang and Xiaodong Yang

PLOS ONE, 2015, vol. 10, issue 11, 1-18

Abstract: Active contour models are of great importance for image segmentation and can extract smooth and closed boundary contours of the desired objects with promising results. However, they cannot work well in the presence of intensity inhomogeneity. Hence, a novel region-based active contour model is proposed by taking image intensities and ‘vesselness values’ from local phase-based vesselness enhancement into account simultaneously to define a novel multi-feature Gaussian distribution fitting energy in this paper. This energy is then incorporated into a level set formulation with a regularization term for accurate segmentations. Experimental results based on publicly available STructured Analysis of the Retina (STARE) demonstrate our model is more accurate than some existing typical methods and can successfully segment most small vessels with varying width.

Date: 2015
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0143105

DOI: 10.1371/journal.pone.0143105

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