Computer Science > Computer Vision and Pattern Recognition
[Submitted on 14 Jun 2020 (v1), last revised 4 May 2021 (this version, v3)]
Title:A Generalized Asymmetric Dual-front Model for Active Contours and Image Segmentation
View PDFAbstract:The Voronoi diagram-based dual-front active contour models are known as a powerful and efficient way for addressing the image segmentation and domain partitioning problems. In the basic formulation of the dual-front models, the evolving contours can be considered as the interfaces of adjacent Voronoi regions. Among these dual-front models, a crucial ingredient is regarded as the geodesic metrics by which the geodesic distances and the corresponding Voronoi diagram can be estimated. In this paper, we introduce a type of asymmetric quadratic metrics dual-front model. The metrics considered are built by the integration of the image features and a vector field derived from the evolving contours. The use of the asymmetry enhancement can reduce the risk of contour shortcut or leakage problems especially when the initial contours are far away from the target boundaries or the images have complicated intensity distributions. Moreover, the proposed dual-front model can be applied for image segmentation in conjunction with various region-based homogeneity terms. The numerical experiments on both synthetic and real images show that the proposed dual-front model indeed achieves encouraging results.
Submission history
From: Da Chen [view email][v1] Sun, 14 Jun 2020 08:24:01 UTC (8,523 KB)
[v2] Fri, 26 Feb 2021 13:25:28 UTC (13,123 KB)
[v3] Tue, 4 May 2021 09:19:18 UTC (8,302 KB)
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