Webfingerprint matching, spoof mitigation and liveness detection are the trendiest biometric techniques, mostly because of their stability through life, uniqueness. Ai discovers that not every fingerprint is unique. Only a few matching algorithms. Webresearchers create a metric to determine the difficulty of matching latent and known fingerprints, then link that difficulty to error rates. Weba fingerprint matching algorithm compares two given fingerprint images and returns either a degree of similarity (without loss of generality, a score between 0 and 1. Webthere has been a longstanding belief in the scientific validity of fingerprint evidence, based on the apparent permanence and uniqueness of individual. Webit is clear that experts can match prints accurately when there is reduced visual information, reduced opportunity for direct comparison, and reduced time to.