给出一种新的基于活动轮廓与光流约束的椭圆跟踪算法。
A new ellipse-tracking algorithm based on the active contour and the optical flow technique was proposed.
文中给出两种活动轮廓模型，其中一种基于边缘停止函数，而另一种是一个能量最小化算法。
Two active contour models, one based on an edge-stopping function, while the other is an energy minimization algorithm, are demonstrated.
跟踪算法分为两步进行，首先应用均值漂移算法实现手部区域的定位，然后基于自适应活动轮廓模型提取手部轮廓。
The proposed method consists of two steps: hand location using mean shift and hand extraction based on adaptive active contour model.
其次，研究了基于传统水平集活动轮廓模型的图像分割算法。
Secondly, this paper has studied the segmentation algorithms based on traditional level set active contours.
较详细地介绍了一种图像轮廓的半自动提取算法：活动轮廓模型的原理与实现。
A semiautomatic method for medical image segmentation based on active shape model was introduced.
较详细地介绍了一种图像轮廓的半自动提取算法：活动轮廓模型的原理与实现。
A semiautomatic method for medical image segmentation based on active shape model was introduced.
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