A kind of system, for in crowd using finding an AOP (paying attention to objective people) in facility, effectively it is arranged to prevent an extensive crime by AOP, by finding many PUF (utilizing the people of facility using a crowd) image libraries of AOP in face recognition. One AOP search servers (200) are connected to camera module (101), are installed to each place that crowd utilizes facility, store and manage an AOP template images, reflect the one side of AOPs, continuous format type. AOP search servers select corresponding with coded image AOP template images and a face image generation/offer by converting PUFs and the selected corresponding search information of AOP template images be captured as in camera module coded image and compared with coded image with AOP template images. The AOP search results and multiple manager clients (400) connection in a state for being connected to AOP search servers that server (300) are provided, storage/management all one's life AOP face images/data, one record of its reflecting surface and AOP extracts/provides the face image and related data of the life of scheduled AOP for the manager client based on the search information from AOP search servers.
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