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

机译:基于使用小波变换和纹理功能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。它适用于全局和本地图像级别,通过小波分析和统计纹理功能测量笔触灰度级变化。该方法始于提出的背景删除。然后小波分析允许估计和缓解墨型的全局影响,最后,共发生矩阵的性质用作代表局部等级特征的特征。真正的样品已被用于培训SVM模型,随机和熟练的伪造者已被用于测试它。在三个不同的数据库(MCYT75,GPDS100和GPDS750)上进行实验。结果是合理的,根据现有技术和使用相同的公共可用数据库的方法(MCYT75)并证明所提出的方法的可行性。

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