基于改进DTW算法的手写签名鉴定
首发时间:2016-01-08
摘要:手写签名鉴定作为生物识别技术的重要分支,具有易采集、易鉴定等优点。采用DTW算法进行鉴定是手写签名鉴定的常用方式,但是基本DTW算法鉴定的效率和准确率有待提高。本文在基本DTW算法的基础上对DTW算法进行优化,改进DTW算法手写签名鉴定流程并改进J.Bruatl特征点检测方法。经验证分析,这种签名鉴定方法提高了效率和鉴定准确率。
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Handwritten Signature Verification Based on Improved DTW Algorithm
Abstract:As an important branch of biometric technology, handwriting signature verification has the advantages of easy acquisition, identification and so on. Using DTW algorithm to identify is a common way of handwriting signature verification, but the efficiency and accuracy of the basic DTW algorithm to be identified is to be improved. In this paper, based on the basic DTW algorithm, the DTW algorithm is optimized. The improved DTW algorithm is used to identify the handwritten signature process and improve the J.Bruatl feature points detection method. Through verification and analysis, this signature verification method improves the efficiency and accuracy of identification.
Keywords: signature verification dynamic time warping segment detection feature point detection
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