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Contact: A'ndrea Elyse Messer
Penn State


Caption: The fingerprint on the left was prepared using an older development technique and does not show much ridge detail. The image on the right was prepared using new CTF technique and shows a lot of ridge detail. Both images are right and left halves of the same fingerprint.

Credit: Akhlesh Lakhtakia, Penn State

Usage Restrictions: Non commercial use only

Related news release: Computer programs improve fingerprint grading

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