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在人类生活的这样一个信息高度交互的社会里,判定人的身份是一个十分重要的问题。随着社会的不断发展,传统的身份鉴別方法(如钥匙、证件、口令等等)已经不能满足社会的需要,基于生物特征的身份鉴别技术,为我们提供了一种更加方便和可靠的方法,它已经引起了国内外学术界和企业界的极大关注。身份鉴别是指通过某种方法确定人的身份。从根本上说,身份鉴别的问题可以划分为两类:身份验证和身份识别。身份验证是指确认个人声称的身份是否与其真实身份一致,即回答“找是某人吗?”的问题。身份识别是指识別出个人的真实身份,即回答“我是谁?”的问题。身份鉴别的历史可以追溯到原始社会。当时的人类生活在小的部落中,互相认识对方,身份鉴别显得十分简单。而现代社会是一个高度复杂的、信息交互的社会,身份鉴别已经渗透到日常生活的每一个方面。同时,由于交通、
In such a highly interactive world of human life, determining a person’s identity is a very important issue. With the continuous development of society, the traditional methods of identity authentication (such as keys, documents, passwords, etc.) can no longer meet the needs of society. Biometrics-based identity authentication technology provides us with a more convenient and reliable method , It has aroused great concern of academics and enterprises at home and abroad. Identification refers to the identification of a person by some means. Fundamentally, the issue of identity authentication can be divided into two categories: authentication and identification. Identity verification refers to the question of confirming whether an individual claimed identity is consistent with his or her true identity, ie, answering the question of “looking for someone?” Identification refers to the identification of the true identity of the individual, that is, to answer the question, “Who am I?”. The history of identification can be traced back to primitive society. At that time, human beings lived in small tribes and knew each other, and the identification of their identities was very simple. The modern society is a highly complex society of information exchange. Identity verification has infiltrated every aspect of daily life. At the same time, due to traffic,