A non-contact human-computer interaction system based on gesture recognition is presented in this paper. It tracks and collects the operator's gestures image via two digital high-definition video cameras at a specific location, uses Image Recognition Algorithms to detect gestures change information, and thus controls mouse movements on the computer screen. The experimental results show that this system can support the operator's fingers non-contact accurately to simulate actions of mouse clicks, synchronous positioning and trigger detection operations, etc. This system can be widely used in large screen media show, intelligent scheduling monitoring, interactive teaching entertainment and other many human-computer interaction occasions.
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