This system can realize the detection of the non-rigid moving object and the estimation of the background velocity through the Level-Set method and piece-wise smooth motion field constraint.
该系统采用水平集方法，利用分段平滑运动场的约束条件，实现非刚体运动目标检测和背景的运动估算。
The curtain model is represented as an object composed of mass points connected by semi rigid rods whose behavior is governed by non rigid dynamics.
通过把描述非刚体运动的半刚性杆相互连接来得到窗帘的模型。
But the most essential reason is that face is a kind of non-rigid object that has highly similarity.
但是，更内在的原因是，人脸是具有高度相似性的非刚体。
Recently, as a difficult problem in video object tracking non-rigid object tracking has received much more attention.
近年来，非刚体目标跟踪技术作为视频目标跟踪中的一个难点受到了广泛关注。
Experiment results show that the proposed algorithm can efficiently track more than one non-rigid moving object simultaneously.
实验表明，该算法可以有效地跟踪多个刚体或非刚体目标。
The experimental results show that our algorithm is more robust than other methods when non-rigid object has shape deformation and occlusion happens.
在对金鱼与企鹅序列跟踪的实验结果表明，与现有算法相比，该算法在非刚体目标形状变化以及存在遮挡的情况下，具有更好的跟踪性能。
The experimental results show that our algorithm is more robust than other methods when non-rigid object has shape deformation and occlusion happens.
在对金鱼与企鹅序列跟踪的实验结果表明，与现有算法相比，该算法在非刚体目标形状变化以及存在遮挡的情况下，具有更好的跟踪性能。
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