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Depth-based hand gesture recognition
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DOI：10.1007/s11042-015-2632-3.png)
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Abstract
En 中文
In this article, a dynamic gesture recognition system with the depth information is proposed. The proposed system consists of three main components: preprocessing, static posture recognition and dynamic gesture recognition. In the first component, the background subtraction is used to exclude invalid gestures that is not generated by the main user, and then to detect and track the hand. Second, the region of hand is extracted using an adaptive square. Once the region of hand is obtained, the features of hand are extracted and the static hand posture are classified using the support vector machine (SVM). Finally, nine commonly used dynamic hand gestures can be detected using different methods. In the experiments, the static hand posture classification was evaluated in different postures and the performance of dynamic gesture recognition is verified by two different persons at 4 different position with 2 different depths. The experiment results show that the proposed system can accurately detect the dynamic hand gestures with an average recognition rate of 87.6 %, which is good for controlling the embedded systems, such as home appliances.
Keywords:
Depth cameras
Static hand posture recognition
Dynamic hand gesture recognition
Support vector machine
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