I am currently working on segmentation problem of latent fingerprints using Convolutional neural networks for which I need fingerprint dataset.
If you go to any Land registration office, they will have the fingerprints for every document registered. But they may not give you the datasets !
Best thing is that you can actually take some finger prints from your relatives, friends, and some know crowd etc, and work on it !
there are a few hundred here
http://homepages.inf.ed.ac.uk/rbf/CVonline/Imagedbase.htm#fingerprints
https://www.nist.gov/itl/iad/image-group/resources/biometric-special-databases-and-software
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