Signature Verification
Signature Verification
Signature Verification
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Temporal Features• Absolute and relative speeds are defined asdistance per unit time– Tablet PC captures the position of the pen 100 timesper second– Distance is measured in pixels– Only distance between points is necessary to definethe speed• Speed is normalized by dividing the local speedat each sample point by the average writingspeed of the signature– Overall speed may vary but the relative speedsshould be more stable