...踪、基于区域(Region-based)的 跟踪、基于变形模板(Deformable-template-based)的跟踪或称为基于活动轮廓 (Active contour-based)的跟踪和基于特征(Feature-based)的跟踪。对人体进 行跟踪时，通常有三种形式的模型，即3D 模型、2D 模型和线图模型。
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Active contour-based tracking has been widely used for tracking contours of objects with moving cameras.
基于主动轮廓的跟踪方法被广泛应用于移动摄像机下运动物体轮廓的跟踪。
A new ellipse-tracking algorithm based on the active contour and the optical flow technique was proposed.
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 model of Geodesic Active Contour (GAC) based on region was presented, which was the improvement of traditional GAC model.
针对测地线主动轮廓(GAC)模型进行了改进，提出了一种基于区域的GAC模型。
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