Kadian, Siti Atikah
(2016)
Palmprint identification protocol.
Project Report.
Universiti Sains Malaysia.
(Submitted)
Abstract
Palmprints, like fingerprints have unique features on it which can be utilised for
identification process to verify or establish the identity of a person. They have features
such as minutiae, pores, singular points, creases and wrinkles which remain immutable
throughout lifetime. This project was conducted to find a reliable method for palmprint
identification. In this project, the polygon method and the Gunn method were tested to
see whether they are reliable method for palmprint identification. For the polygon
method, 50 polygons were drawn on 50 palmprint images and polygons with similar
shape were compared to see if the positions of the delta points and the length of each
edges of the polygons are the same or not between the selected palmprint images. From
these comparisons, it was found that most of the palmprints have different polygons shape
and sizes due to different positions of the delta points on the palmprints. However, when
using superimposition method, it was found that there were some palmprints that have
similar shape and sizes of the polygons indicating that the positions of the delta points on
the palmprints were similar. Hence, the polygon method may be useful in narrowing down
possible palmprint for an unknown palmprint instead of using it for identification
purpose. For the Gunn Method, it was applied to 50 palmprint images and the angles
between the base line to each of the line of Gunn (Line A, B, C, D and E) and the length
of each lines were compared between the palmprint images. It was found that all the
readings are different between each palmprints. However, this method relies on features
that are of class level as they are common for all human beings. Thus, it can be useful for
classifying palmprints.
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