羊奶粉代理加盟:不信词霸 信大家 请帮忙翻译一段汉译英

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本课题研究并设计了一个应用于TCP/IP协议网络环境下的指纹自动识别系统,重点研究了网络环境下的指纹快速匹配算法和指纹身份验证终端的设计及其实现。

指纹自动识别算法是一个算法集合,分别包括指纹图像的增强、二值化、细化、特征提取和特征匹配等算法。其中特征匹配算法有统计模式匹配、结构模式匹配和模糊匹配等三种类型。本课题在综合分析了前人提出的各种匹配算法后,针对网络环境下大容量指纹库的快速准确匹配要求,提出一种基于遗传算法的指纹特征动态结构匹配算法。该算法的基本思想是先利用特征点的特征信息构造特征匹配向量,然后对两幅指纹进行动态的结构匹配,排除差异性较大的特征点,得到一个特征匹配点对集合,再利用遗传算法在此点对集合空间中计算使两幅指纹达到最佳匹配程度的5个特征匹配点对,最后根据这5个特征匹配点对所确定的两幅指纹的最佳匹配程度是否达到匹配程度的阀值,从而判定两幅指纹是否匹配。这种算法既继承了结构模式匹配算法速度快的优点,同时又利用遗传算法的计算确保了匹配结果的准确性。
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This topic research designed also an apply to negotiate the network environment in the TCP/IP under of the fingerprint identifies system automatically, the point studied the network environment under of the fingerprint matches the design of the calculate way and the fingerprint identity verification terminal quickly and in fact now.

Fingerprint's identifying calculate way automatically is a calculate way to gather, including the to build up,two values of the fingerprint picture to turn respectively,thin turn,the characteristic withdraw to match with characteristic etc. calculate way.Among them, the characteristic match calculate way to have already statisticsed mode to match,the structure mode match to match with faintness etc. three.This topic at synthesized to analyze what people of the past put forward various match calculate way after, descend the big capacity fingerprint database to the network environment quickly accurate match a request, put forward a kind of according to the heredity calculate way of the fingerprint characteristic the dynamic state structure match calculate way.The basic thought of that calculate way is the characteristic information the structure characteristic that makes use of a characteristic first to order matches vector, then carries on the structure of the dynamic state to match to two fingerprints, expeling a bigger characteristic of difference to order, getting a characteristic to match to order to gather, make use of again the heredity calculate way at this to gather space to fall into trap to make two fingerprints attain on the whole the best match 5 characteristics of[with] degree to match to order to, the end is according to this 5 characteristics match to order to two fingerprints make sure of the best match whether degree attain a valve value of match the degree or not, judge whether two fingerprints match or not thus.This kind of calculate way since inheritted the structure mode to match a quick advantage of the calculate way speed, makes use of the accuracy that the calculation of inherit the calculate way insured to match a result again in the meantime.