Morphology Edge Attention Network and Optimal Geometric Matching Connection model for vascular segmentation

• URL: http://arxiv.org/abs/2306.01808v2
• Date: Wed, 13 Dec 2023 09:19:13 GMT
• Title: Morphology Edge Attention Network and Optimal Geometric Matching Connection model for vascular segmentation
• Authors: Yuntao Zhu, Yuxuan Qiao, Xiaoping Yang
• Abstract summary: We propose a novel Morphology Edge Attention Network (MEA-Net) for the segmentation of vessel-like structures. We also present an Optimal Geometric Matching Connection (OGMC) model to connect the broken vessel segments. Our method achieves superior or competitive results compared to state-of-the-art methods on four datasets of 3D vascular segmentation tasks.
• Score: 3.6368619769561668
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: There are many unsolved problems in vascular image segmentation, including vascular structural connectivity, scarce branches and missing small vessels. Obtaining vessels that preserve their correct topological structures is currently a crucial research issue, as it provides an overall view of one vascular system. In order to preserve the topology and accuracy of vessel segmentation, we proposed a novel Morphology Edge Attention Network (MEA-Net) for the segmentation of vessel-like structures, and an Optimal Geometric Matching Connection (OGMC) model to connect the broken vessel segments. The MEA-Net has an edge attention module that improves the segmentation of edges and small objects by morphology operation extracting boundary voxels on multi-scale. The OGMC model uses the concept of curve touching from differential geometry to filter out fragmented vessel endpoints, and then employs minimal surfaces to determine the optimal connection order between blood vessels. Finally, we calculate the geodesic to repair missing vessels under a given Riemannian metric. Our method achieves superior or competitive results compared to state-of-the-art methods on four datasets of 3D vascular segmentation tasks, both effectively reducing vessel broken and increasing vessel branch richness, yielding blood vessels with a more precise topological structure.

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