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首页> 外文期刊>Indian Journal of Science and Technology >The Analysis of Online and Offline Signature Verification Techniques to Counter Forgery
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The Analysis of Online and Offline Signature Verification Techniques to Counter Forgery

机译:反伪造的在线和离线签名验证技术分析

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摘要

Background: This paper reports precise examination of a few highlight extraction-based procedures for signature check. Dynamic features of Signature are captured for online verification procedure at the time of signing. Offline frameworks deal with the examined picture of a signature. A shot at the Offline Verification of signatures utilizing an arrangement of shape based geometric highlights has been taken. Pattern Slant Angle, Normalized Area, Height, Aspect Ratio, Width, area of signature pixels are the utilized features. Captured image should be Pre-processed to separate the signature part and remove the white noise, before extracting the features. Methods: The framework is at first prepared utilizing a database of signatures acquired from those people whose signatures must be confirmed by the framework. A mean signature is acquired coordinating the above features got from an authenticate test signatures. Findings: The claimed test signature is compared with the mean signature for the purpose of verification. Euclidian distance in the feature space between the claimed signature and the template serves as a measure of similarity between the two. On the off chance that this separation is not as much as a predefined edge (relating to least adequate level of likeness), the test signature is checked to be that of the guaranteed subject else distinguished as a phony.
机译:背景:本文报告了对几种基于突出显示的签名检查程序的精确检查。签名时会捕获签名的动态功能,以进行在线验证。脱机框架处理签名的检查图片。使用基于形状的几何高光的排列在签名的脱机验证中拍摄了一张照片。图案倾斜角,归一化面积,高度,纵横比,宽度,签名像素面积是所利用的特征。在提取特征之前,应对捕获的图像进行预处理以分离特征部分并消除白噪声。方法:首先使用从签名库中获得签名的人获得的签名数据库来准备框架。获取一个均值签名,以协调从经过身份验证的测试签名中获得的上述功能。结果:为了进行验证,将声明的测试签名与平均签名进行了比较。要求保护的签名和模板之间的特征空间中的欧几里得距离用作两者之间相似性的度量。如果这种分离不如预定的边缘那么多(涉及到至少足够的相似度),则检查测试签名是否是保证的对象的签名,否则将其区分为假冒的。

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