New algorithm of on-line handwriting signature verification
Zhangcan Huang · Computer Engineering and Applications Journal · 2008
In this paper,a new algorithm of on-line handwriting signature verification is proposed.Our researches are mainly on the matching of special points of signature curves.The authors pick up the position coordinates of the special points in signature curves first,and then pick up the key characters vertices and rock bottom from the special points.The authors take the discrete Frechet distance as the distance measurement and introduce a new curves similarity definition.The authors present a new mathematical model for the signature curves similarity judgment,which implies carrying on the translation and the stretching to the curves.Because the model solution is one kind of NP difficult problem,the authors propose one kind of new multinomial solution algorithm,and finally take online handwriting signature verification as example to confirm the mathematical model.The experimental result confirms the validity of this method in the signature verification,and it is also used to the discrete curves similarity judgment.