Wireless communication supported by contactless fingerprints
Sam Mil'shtein, Carl Buzawa · 2016
The biometric authentication technology is booming in a variety of applications such as security of computers, cell phones, credit cards etc. The most widely used method of biometric identification is dactylography, as the large database already available and law enforcement agencies have long-term experience with this technology. Widely used methods of prerecording the fingerprint could be as simple as pressing a finger first against wet-ink-pad or dry-powder-pad and then against a white paper or as sophisticated as pressing a finger against optoelectronic reader. In all cases variation of pressure risks unrepeatable deformation of a fingerprint and in turn difficulties in identification of the same very finger. In current presentation we discuss design of the software which allows cell telephone in sequence to read, to binarise, to digitize and to recognize a fingerprint without modifying basic hardware of a telephone. Depending on the design of the telephone one or both cameras might be capable to pick up the detailed image of the fingerprint when the finger is at the very close distance, about 2-3 centimeters, to the camera. Moreover the developed software allows picking up the high resolution image of the fingerprint. The cell phone generates a sound click when the fingerprint image is taken. In about 20ms the fingerprint image and its binarization are erased leaving the digitized equivalent of the binarised fingerprint in the memory of a telephone and memory of a server located at private company or government site. The reconstruction of an image of real finger presents a very challenging task making ability of hacker's interference into such communication almost impossible.