楼宇智能化

智能闸机系统

 

闸机从发展至今,使用的识别方式包括:刷卡(包括磁卡、ID卡、IC卡、各种异形卡等),证件扫描(身份证、护照、军官证等),条码/二维码,生物识别(指纹、虹膜、人脸)等。

        卡、证、条码/二维码的是识别方式的特点是只认卡、证、码,不认人。

         优点:识别速度快、成功率高,因此通行速度快

         缺点:如果忘带、丢失卡/证/码,就没有了通行权限,而且,这种方式没有对人本身进行鉴别,无法保证卡/证/码与人一致,另外卡/证/码也可能被盗用,这些都对管理有着极大的安全隐患。

 

         指纹、虹膜的生物识别方式特点是针对通行的人本身的生物特征进行鉴别,可靠性是比较高的。

         优点:相对卡/证/码识别,省去携带这些机外在介质的麻烦

         缺点:指纹、虹膜的采集较容易,被伪装的可能性较大,所以存在一定的使用漏洞。而且通行需要行人主动配合来验证。

 

         人脸识别方式是利用可见光获取人脸图像信息的,行人在移动过程中,摄像头可以主动抓取行人的面部信息,快速辨别行人的通行权限。

         优点:本人到场即可验证,没有强制性、不需要主动配合、不用接触、人脸也难伪装。

 

         不同场所闸机使用的识别方式不一样,有的单独使用某种识别方式,有的组合多种使用。

         如地铁闸机常用的是刷卡识别,海关通道闸机用的是人脸、证件、指纹三合一识别,高校闸机可考虑人脸、刷卡结合的识别方式。

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