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Biometric recognition: Sensor characteristics and image quality

机译:生物特征识别:传感器特性和图像质量

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摘要

Personal recognition of people is necessary to conduct many social and economic activities. Figs. 1a-c show examples of biometric systems. Besides visual recognition of acquaintances, checking a person's government issued photo ID is the most common procedure. In electronic access or transactions, passwords and security tokens are commonly used. These credentials are surrogates of a person's identity. Their major shortcoming is that they can be easily compromised by being lost, stolen, or given to someone else. For better security, it is necessary to link the digital identity of a person to his body's characteristics.
机译:进行许多社会和经济活动对人的个人认可是必要的。无花果图1a-1c示出了生物识别系统的示例。除了对熟人的视觉识别之外,检查人员的政府签发的带照片的身份证是最常见的过程。在电子访问或交易中,通常使用密码和安全令牌。这些凭证是个人身份的替代。它们的主要缺点是容易因丢失,被盗或交给他人而受到损害。为了获得更好的安全性,有必要将一个人的数字身份与其身体特征相关联。

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