DSP for smart biometric solutions

Sathappan, Ram
September 2004
Portable Design;Sep2004, Vol. 10 Issue 9, p10
The article highlights that digital signal processor (DSP) will bring revolution to the core of the biometric authentication process comprising of image processing and pattern matching. DSP have a distinct advantage in the biometrics market and play a pivotal role in the development and adoption of biometric systems. DSP-based systems provide inherent precision and enable image enhancement that lead to greater accuracy in terms of error rates. A DSP programmability provides the flexibility of reusing the design in multiple applications and adjusts error thresholds depending on the application's security needs. With the high-performance capabilities of DSP, the system's total recognition time can be reduced without an increase in power consumption generally associated with faster processors. This low power consumption is achieved with hardware enhancements and leading-edge process technology, providing customers with a powerful yet low overhead processor for multiple biometric applications, both battery and ac-powered.


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