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In this article, a contactless multi-touch interactive system based on adaptive filtering algorithm has been presented, which uses advanced computer vision technology, combined with an interactive experience technology design. Also, the adaptive filtering method from a series of incomplete noise and the measurement data is utilized to solve the effects on the multimedia presentation system of interference noise generated by the motor running. Based on the horizontal filter and vertical filter combination method together, the accurate positioning coordinates with the positional relationship is established by scanning the data with the laser sensor. The contactless multi-touch interactive system can achieve human natural contactless interaction and make a variety of information dissemination element integrated into a complete contactless type of interactive system. It can pass a new interactive feeling and a new experience in an intuitive, three-dimensional, real-time multiplayer interactive way. Verified by experimental data, the interactive system proposed in this article has the properties of real time and accuracy, which has more precise positioning and smooth interaction and is able to achieve a good multiplayer real-time interaction effect. Therefore, the contactless multi-touch interactive system has a wide range of promotion and economic sense.

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