由Xu和Prince[8]提出的一种全新的思想即梯度矢量流模型(Gradient Vector Flow, GVF), GVF模型不需要预先知道初始轮廓向外扩张还是向内收缩, 因为它的初始轮廓既可以在我们感兴趣物体边...
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提出的梯度矢量流模型 Gradient Vector Flow ; GVF
通过梯度矢量流模型迭代求解，解决道路凹陷位置逼近问题，最终实现道路提取。
At the same time, how to get the approximate road hollow position is solved to realize the road contour extraction by gradient vector flow model with iterative solution.
本文提出了迭代梯度矢量流参数变形模型(IGVF)。
In this thesis, a new deformable model called Iterative Gradient Vector Flow (IGVF) is developed.
目的提出一种基于边缘流的梯度矢量流（gradientvectorflow，GVF）形变模型的图像分割方法，并用于淋巴结超声图像的分割。
Objective To put forward an improved gradient vector flow (GVF) snake model based on the edge flow for segmentation of medical ultrasonic images of the lymph node.
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