SecuGen optical fingerprint biometric scanner, 500 dpi, is used to capture the fingerprint images. The software used is our own implementation in JAVA programming language that allow us to collect single and time series images. Fingerprints are collected without controlling the quality and the centering of the finger and without cleaning the glass plate of the scanner between acquisitions. Image size is 72 KB, 292×248. Images of the thumb and index finger from both hands are taken in the following order: L1, R1 , L2 and R2. The subject is instructed to lift and replace their finger between each capture. Five images of each are taken. No substance is used to clean the finger.
Examples of fingerprint images: