Surveillance is monitoring people, places and movement of crowds for any suspicious activity by law enforcing agencies private organization and authorities of a particular place.
Surveillance techniques could be; physical or electronic .
Checking at check post or letting people in a building through swiping ID cards is labour intensive and can not be applied at all places .
A face recognition system has replace this task of manually checking each person or keeping records of people entering inside a building by msnsging registers.
Face recognition system replaces the task of manually entering people entering a building.
When a person passes face recognition camera her/his profile instantly be called to get checked against the recognized database record. He his/her profile does not match a companies database he/she could instantly be called to get their exclusive entry done or be evacuated or be at a monitoring state in camera or recorded in database system as an un-recognized or unknown being.