A biometric engine is the core program that controlls the different hardware and components of a biometric system. The biometric engine controls the enrollment, capture, extraction, comparison and matching of biometric data from a user.
It is based on a set of algorithms that facilitate the steps in the recognition process, as well as the intermediary processes like image enhancement, determining quality and the extraction of distinguishing features.
Different software or firmware might run the different hardware of the biometric system, but there is a core system connecting them all. When connected together, they form the biometric engine. It is the efficiency of this engine that dictates the quality of the system. Even with state of the art hardware, if the biometric engine is not functioning correctly, then the system will get many errors and false readings or identifications.
The biometric engine is the core program controlling the whole biometric system. This includes the extraction of biometric data during enrollment, the extraction of distinguishing features from the collected biometric data, and the matching and authentication stages. The biometric engine will also enhance the data taken, enhancing images and clearing out noise so that what is left is clear data. Thus, the data becomes easy to match whenever an enrollee needs to be authenticated.
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