Authentication of individuals is rapidly becoming an important issue. On-line signature verification is one of the methods that use biometric features. This paper proposes a new HMM algorithm for on-line signature verification. After preprocessing, input signature is discretized in a polar coordinate system. This particular discretization leads to a simple procedure for assigning initial state and state transition probabilities. This paper utilizes only pen position trajectories, no other information is used which makes the algorithm simple and fast. A preliminary experiment shows that the proposed algorithm appears to be promising.
An HMM online signature verifier incorporating signature trajectories
2003-01-01
1754250 byte
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
An HMM On-line Signature Verifier Incorporating Signature Trajectories
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