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Off-line Signature Verification Based on Gray Level Information Using Wavelet Transform and Texture Features

机译:基于小波变换和纹理特征的灰度信息的离线签名验证

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A method for Off-line Handwritten Signature Verification is described. It works at the global and local image level, measuring the stroke gray-level variations by means of wavelet analysys and statistical texture features. This method begins with a proposed background removal. Then Wavelet Analysis allows to estimate and alleviate the global influence of ink-type, and finally, properties of the Co-occurrence Matrix are used as features representing individual characteristics at local level. Genuine samples have been used for train an SVM model, random and skilled forgeries have been used for testing it. Experiments were conducted on three differente databases (MCYT75, GPDS100, and GPDS750). Results are reasonable according to the state of the art and approaches that use the same public available database (MCYT75) and prove the feasibility of the proposed methodology.
机译:描述了一种用于离线手写签名验证的方法。它可在全局和局部图像级别工作,并通过小波分析和统计纹理特征来测量笔触灰度级别的变化。该方法从建议的背景消除开始。然后,小波分析可以估计和减轻墨水类型的整体影响,最后,将共现矩阵的属性用作代表局部水平上各个特征的特征。真实样本已用于训练SVM模型,随机且熟练的伪造品已用于对其进行测试。在三个不同的数据库(MCYT75,GPDS100和GPDS750)上进行了实验。根据最新技术和使用相同公共数据库(MCYT75)的方法得出的结果是合理的,并证明了所提出方法的可行性。

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