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Digital processing of touch signal - error probability

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3 Author(s)
Milivojevic, Z.N. ; Ei Televizija, Nis, Yugoslavia ; Mirkovic, M. ; Stefanovic, M.

A new algorithm for digital processing of a touch signal is proposed. We consider the calculation of the error probability in the process of deciding on the existence of the optical infrared beam between the infrared transmitter and receiver. The error probability is calculated in the function of: (a) the ambient illumination simulated by the reflector placed a certain distance in front of the center of the touch interface; (b) window functions implemented in the algorithm for processing of the touch signal. The error probability is calculated for some classical, time-symmetrical as well as for some original, time-asymmetrical window functions.

Published in:

EUROCON'2001, Trends in Communications, International Conference on.  (Volume:2 )

Date of Conference:

4-7 July 2001