A Multi Biometric System Using Combined Vein and Fingerprint Identification
Hatim Aboalsamh · 2010
In this paper, a compact system that consists of a CMOS fingerprint sensor (FPC1011F1) is used with the FPC2020 power efficient fingerprint processor ; which acts as a biometric sub-system with a direct interface to the fingerprint sensor as well as to an external PC for storing finger print templates. Added to the fingerprint system is a vein image extraction system; it consists of a set of LEDs (light emitting diodes) that generates near infrared light that penetrates the body Tissue. An image of the veins pattern is revealed as the near infrared light is reflected in the haemoglobin in the blood. A CCD (charge coupled device) camera uses a small, rectangular piece of silicon to receive incoming light. The CCD captures the image of the vein pattern through this reflected light. The Image is processed through an algorithm to constructs a finger vein pattern from the camera image. This pattern is then digitized and saved as a template for biometric authentication. The integrated system will extract two biometrics identifiers; namely, vein and fingerprint. Multi- biometric fusion stages are pointed out; and future research issues are suggested.