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Calibration and Zeta Functions for the Wacom DTU1141b
Nikolaos Kalantzis1, George Pappas2, Sarah Fieldhouse3
1University of Staffordshire, Leek Road, Stoke on Trent ST4 2DF, United Kingdom; Chartoularios Institute, 92-94 Kolokotroni Street, Piraeus 18535, Greece.
Abstract:
To accurately examine and compare Digitally Captured Signature data, the provided data channels (X, Y, F and T) need to be expressed in comparable units. The Force channel data is routinely expressed in unnormalized Pressure Levels hindering the accurate comparison between data collected from different devices. The normalization method using the Zeta Function is used to calibrate and calculate the Zeta Functions of the Wacom DTU1141b.
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