Fingerprint Recognition Performance in Rugged Outdoors and Cold Weather Conditions

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Executive Summary

This paper reports on tests of the performance of fingerprint recognition technology in rugged outdoor conditions, with an especial concentration on the performance in cold weather. The authors analyze: Chip versus optical fingerprint scanner technology, recognition performance and image quality, and user/device interaction. A outdoor fingerprint door access system was designed to capture fingerprint images and video data of user interactions. Using this device, data were captured over a period of two years, and a user survey performed. Data were analyzed in terms of biometric error rates and fingerprint quality (NFIQ) as a function of temperature and humidity.

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