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This work presents an innovative approach for off-line signature verification based on modified dynamic time warping (DTW) algorithm. Conventional DTW does not account for the relative importance regarding the phase difference between a reference point and a testing point, By using the projection profiles of signatures, the scheme employed Projection stability Point and Projection stability factor which acted as weighted DTW, in order to prevent minimum distance distortion caused by outliers. The databases of English signatures are applied to the experiments and the average error rates of 11.4% are obtained to verify the effectiveness of the proposed system.
Control Conference (CCC), 2012 31st Chinese
Date of Conference: 25-27 July 2012