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Abdominal aortic aneurysm (AAA) rupture is believed to occur when the mechanical stress acting on the wall exceeds the strength of the wall tissue. In endovascular aneurysm repair, a stent-graft in a catheter is released at the aneurysm site to form a new blood vessel and protect the weakened AAA wall from the pulsatile pressure and, hence, possible rupture. In this paper, we propose a framework to...
On the base of the clear connotation of diathesis, the mathematical education plays a very important role in diathetic education was pointed out. In order to realize the diathetic education of mathematical education, the import of computer technique is imperative under the situation in the process of math teaching, so to develop CAI by network will be good for the old impart teaching and the modern...
Biological soft tissue modeling and simulation is an important part in virtual surgery simulation. Finite element methods are valuable because of their extreme speed and high accuracy for soft tissue modeling, but they are not suitable for surgery incision simulation. In this paper, we propose a new method for soft tissue deformation and cutting simulation using a new linear elastic tetrahedron finite...
The presented research addressed a novel visual attention model and watershed segmentation based approach of regions of interest (ROIs) extraction, which automatically extracts ROIs and copes with the watershed over-segmentation. This approach uses visual attention model to locate salient points, in which the winner point, the most salient point, is selected as the seed point of watershed segmentation...
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