Exact(2)
By adding the VVF into the region competition based active contour model, Shang et al. [ 25] proposed the VAC model for vessel extraction in medical images.
Analysis of a mathematical model for vessel occlusion, in the form of a system of reaction-diffusion equations, shows that increased occlusion may give rise to sustained oscillations in tumor cell density and in vessel density.
Similar(58)
The consequence modelling package Phast includes discharge models for vessel orifice releases.
Thirdly, an automatic initialization method for the evolution contour was developed by vessel shape enhancement, which overcame the problem of repeated trials for the initial contour of conventional local region active contour models for vessel segmentation and made the model converge rapidly.
While the numerical discretization of one-dimensional blood flow models for vessels with viscoelastic wall properties is widely established, there is still no clear approach on how to couple one-dimensional segments that compose a network of viscoelastic vessels.
A cost-effective model for open vessel ligation is currently lacking.
Finally, the benefits and the usability of hybrid BDI model for a vessel berthing application is discussed with experiential results.
Figure 2 displays the segmentation results of the RSF model for the vessel image with different initial contour sizes and shapes.
In Figure 2 k - o), we demonstrate the segmentation results of the LIF model for the vessel image with five initial contours of different sizes and shapes.
Figure 1 shows the segmentation results of the RSF model for the vessel image with five different initial contour locations (circles with the same size but different positions).
This paper proposes a novel mixed integer non-linear mathematical model for the vessel scheduling problem in a liner shipping route with perishable assets, which explicitly captures decay of perishable assets on board the vessels.
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