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Improvement in palmprint recognition rate using fusion of multispectral palmprint images

机译:利用多光谱掌纹图像融合提高掌纹识别率

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Palmprint recognition using Biometrics is one of the emerging technologies, which recognizes a person based on the principle lines, wrinkles and ridges on the surface of the palm. These line structures are stable and remain unchanged throughout the life of an individual. More importantly, no two palm prints from different individuals are the same, and normally people do not feel uneasy to have their palmprint images taken for testing. Therefore palmprint recognition offers a promising future for medium-security access control systems. The main purpose of this project is to enhance the reliability and accuracy in person identification. Person identification is done by extracting the features of multispectral palmprint images in region of interest after preprocessing of multispectral palmprint images. There are many filters used for feature extraction such as stack filter, curvelet filer etc., Here 2D-gabor filter is used since it is an effective tool for texture analysis and more robust to brightness. The extracted feature is fused at score level and image level. Finally, the Euclidean distance is used for matching of palmprint features in the database. The simulated results provide high accuracy while using the fusion of multispectral palmprint images.
机译:使用生物识别技术的掌纹识别是新兴技术之一,该技术可以根据手掌表面的主要线条,皱纹和山脊来识别人。这些线路结构是稳定的,并且在个人整个生命周期中都保持不变。更重要的是,没有两个来自不同个人的掌纹是相同的,并且通常人们不会为拍摄掌纹图像感到不安。因此,掌纹识别为中等安全性访问控制系统提供了广阔的前景。该项目的主要目的是提高人员识别的可靠性和准确性。在对多光谱掌纹图像进行预处理之后,通过提取感兴趣区域中的多光谱掌纹图像的特征来完成人的识别。有许多用于特征提取的过滤器,例如堆栈过滤器,curvelet过滤器等。这里使用2D-gabor过滤器是因为它是一种有效的纹理分析工具,并且对亮度更稳定。提取的特征在得分级别和图像级别融合。最后,欧几里得距离用于数据库中掌纹特征的匹配。当使用多光谱掌纹图像融合时,模拟结果提供了高精度。

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