Abstract.
This paper describes a fully operational online signature verification system. Its heart is the SmartPen™, a special input device enabling the perception of force and angle signals. The main key for the success of the approach is the decoupling of the time-alignment stage, based on the dynamic time warping algorithm, and the actual feature-extraction process, in which the wavelet transform plays a central role. This separation allows taking into account information about the relative stability of different phenomena present in a specific person's handwriting. The usefulness of the approach is illustrated by presenting the results of a full-scale field-test.
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Received November 2, 1997 / Revised April 21, 1998
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Martens, R., Claesen, L. Incorporating local consistency information into the online signature verification process. IJDAR 1, 110–115 (1998). https://doi.org/10.1007/s100320050011
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DOI: https://doi.org/10.1007/s100320050011