1. A method for recognizing a plurality of employees in a physical space based on behavior analysis of the people in said physical space, comprising the following steps of: a) capturing a plurality of input images of a plurality of persons by a plurality of means for capturing images in said physical space, b) processing said plurality of input images in order to track each person in said plurality of persons, c) processing behavior analysis of each person in said plurality of persons based on the tracking, and d) recognizing said plurality of employees by applying employee recognition criteria to the output of the behavior analysis for said plurality of persons, whereby said output of the behavior analysis comprises a sequence of visits or a combination of visits to a predefined category in said physical space by said plurality of persons.