[v4rp1ng]

So simple — why hasn't anyone thought of that already?

[signa11]

typically you don’t know that you are looking for steel-balls in sand, you might be looking for gold coins etc. in such cases the space of all interesting fingerprints is just too large.

[efm]

The interesting fingerprints are the ones which are different than the surrounding material.

[yorwba]

And that is too large a space to test them all with this method.

[tanderson92]

They have.