Abstract
This paper discusses a implementing scheme of infrared multi-touch system. In this scheme, we first employ a preprocessing which combined mean-median filter with weighted recursive filter. And then the algorithm of mass center is adopted to get the precise position where users touched. Afterwards, we discuss a gesture identification method for multi-touch which is suitable for infrared touch panels. At last, we set up a experiment platform based on C8051F340 to implement and test this algorithm. The result shows that, a infrared multi-touch system is achieved which has the advantage of simple, accurate coordinates, and smooth moving.
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Wu, J., Hu, Yh., Lv, Gq., Yin, J. (2011). A Design of Low Cost Infrared Multi-touch System. In: Ma, M. (eds) Communication Systems and Information Technology. Lecture Notes in Electrical Engineering, vol 100. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-21762-3_12
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DOI: https://doi.org/10.1007/978-3-642-21762-3_12
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-642-21761-6
Online ISBN: 978-3-642-21762-3
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