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Hand Tracking by Extending Distance Transform and Hand Model in Real-Time

机译:通过扩展距离变换和手模型实时进行手跟踪

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摘要

Tracking a human's hand is not a trivial task. This paper contributes a new approach for hand tracking based on distance transform (DT) and edge points in real-time. In the beginning, we create a hand model geometrically in three dimensions. It is done by utilizing shortened quadrics. After that, the degrees of freedom, shortly called as DOF, for every joint angle correspond to each DOF to use in the later process. The edge likelihood is used for the feature extraction. A Bayesian classifier is utilized adaptively and accurately for the silhouette likelihood. For this reason, it is to cope greatly with any environmental changes visibly. By using these techniques, this method can be performed in real-time. Experimental results are provided.
机译:跟踪人的手不是一件容易的事。本文为基于距离变换(DT)和边缘点的实时手部跟踪提供了一种新方法。首先,我们在三维上创建一个手形模型。这是通过利用缩短的二次曲面来完成的。此后,每个关节角度的自由度(简称为自由度)对应于在以后的过程中使用的每个自由度。边缘似然用于特征提取。贝叶斯分类器被自适应且准确地用于轮廓似然。因此,应明显应对任何环境变化。通过使用这些技术,可以实时执行此方法。提供实验结果。

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