Over the past few decades, we have witnessed a great revolution in the computer world. It has invaded all areas of daily life. As a result, computer systems are playing an increasingly important role in our society. Computers have been rapidly improved and democratized. Today, our society is more and more dependent on these computer systems. With the help of these systems and new technologies, many companies have been able to assert themselves through gains in competitiveness in increasingly demanding markets. Investment in these new technologies clearly appears to be one of the main drivers of development within companies of all sizes. A gain in productivity for these companies is synonymous with a gain in time. As a result, they have needed to manage the inputs and outputs of their agents in an easy and efficient way. They were therefore forced to look for a technology that would help them meet this challenge. Among the technologies that provide pointing are facial recognition, fingerprinting, RFID, etc.