3-D Optical Microscope Image of Part of a Fingerprint (IMAGE)
Caption
A 3D optical microscope image of the part of the same fingerprint in Fig 1.a. It shows the fingerprint ridges (as light areas) and the deposited polymer (as dark areas). The dark "dots" in the light areas are the gaps left by sweat pores that have been filled by polymer; this is so-called third level detail. The main point to note is a ridge that starts are the bottom right and runs diagonally up and to the left, terminating as a "ridge ending" (an example of second level detail, that might be used as part of an identification) in the center of the image.
Credit
University of Leicester
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