The Basic Architecture
The basic architecture of BioAPI 2.0 is illustrated in the figure at the top of this page. There are multiple possible (independent) biometric applications that interact with a BioAPI Framework, which in turn routes their messages to Biometric Service Providers (BSPs) that support the various biometric capture devices, image enhancement modules, feature extraction, matching, searching, etc.
A later extension of the architecture introduces the concept of a Biometric Function Provider (BFP) and defines further lower-level interfaces between a BFP and a controlling BSP. This minimises the amount of software that a biometric device vendor needs to develop, allowing (other) software vendors to do most of the work of producing the BSP with an interface to the framework.
Read more about this topic: Bio API
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