A facial recognition system is a computer application for automatically identifying or verifying a person from a digital image or a video frame from a video source. One of the ways to do this is by comparing selected facial features from the image and a facial
database.It is typically used in security systems and can be compared to other
biometrics such as
fingerprint or eye
iris recognition systems. Popular recognition algorithms include
eigenface, fisherface, the
Hidden Markov model, and the neuronal motivated
dynamic link matching. A newly emerging trend, claimed to achieve previously unseen accuracies, is
three-dimensional face recognition. Another emerging trend uses the visual details of the skin, as captured in standard digital or scanned images. Tests on the
FERET database, the widely used industry benchmark, showed that this approach is substantially more reliable than previous algorithms.
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