We all have heard about Finger Print Scanning Technology. In recent post i have already told you that Apple is using this technology in there latest iPhone 5S. Well now it's time to check what this technology is all about. How does Finger Print Scanner Works. It's time to Look Inside Surf.
There are two major technologies used for fingerprint authentication—electro-optical and capacitance. EO scanners work a lot like a traditional scanner does: they use bright lights to illuminate the peaks and valleys of the print and a CCD device to capture a black and white image—white areas are peaks, dark areas are valleys. A computer algorithm then compares the pattern of light-dark intersections, known as minutiae (ie where two ridges meet or a ridge splits), in this image to one already on file for the individual. If enough intersections match, the identity is considered verified and access is granted.
There are two major technologies used for fingerprint authentication—electro-optical and capacitance. EO scanners work a lot like a traditional scanner does: they use bright lights to illuminate the peaks and valleys of the print and a CCD device to capture a black and white image—white areas are peaks, dark areas are valleys. A computer algorithm then compares the pattern of light-dark intersections, known as minutiae (ie where two ridges meet or a ridge splits), in this image to one already on file for the individual. If enough intersections match, the identity is considered verified and access is granted.
