GVF-Snake model 基于梯度矢量流的活动轮廓模型
Designing external force in the form of GVF can expand the scope of mapping to make Snake model towards to expected image features.
将外力设计成GVF场的形式，可扩大图像的映射范围，使模型更好地向所期望的目标特征拟合。
Besides, our model can be also extended to Snake model based on GVF.
该模型也可推广到基于GVF的快速算法模型。
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.
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。
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