03-03-2017, 09:14 AM
I am Noel. I am a student. Doing engineering my branch is computers science. And I want report on touchless fingerprint recognition and hw to download it.I registered your links but did nt get any notification.
It's my first seminar and here there is no report to download on dis topic
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Touch-less Fingerprint Analysis — A Review and Comparison pdf
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27-02-2013, 10:40 AM
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Touch-less Fingerprint Analysis — A Review and Comparison
 Touch-less.pdf (Size: 1,019.66 KB / Downloads: 120)
Abstract
Touch-less fingerprint recognition system is a reliable alternative to conventional touch-based fingerprint recognition system. Touch-less system is different from conventional system in the sense that they make use of digital camera to acquire the fingerprint image where as conventional system uses live-acquisition techniques. The conventional fingerprint systems are simple but they suffer from various problems such as hygienic, maintenance and latent fingerprints. In this paper we present a review of touch-less fingerprint recognition systems that use digital camera. We present some challenging problems that occur while developing the touch-less system. These problems are low contrast between the ridge and the valley pattern on fingerprint image, non-uniform lighting, motion blurriness and defocus, due to less depth of field of digital camera. The touch-less fingerprint recognition system can be divided into three main modules: preprocessing, feature extraction and matching. Preprocessing is an important step prior to fingerprint feature extraction and matching.
Introduction
Fingerprint recognition system is a biometric system that uses fingerprint as biometric input to this system. A fingerprint consists of patterns of ridges and valleys on the surface of a fingertip. Each individual has fingerprint which is different from the other. Actually this biometric system is a computer vision system which performs following functions: Image acquisition, Pre-processing, Feature Extraction, High-level processing or verification or matching. Basically, Fingerprint recognition system is an identification system that can be an Automated Fingerprint Identification System (AFIS) or a Non-automated Fingerprint Recognition System. Earlier, we used to take fingerprints using “ink techniques” in which black ink is spread on fingertip and it is pressed against a paper card, it is also called as “off-line fingerprint acquisition technique”[1]. This technique is used in the law enforcement to acquire criminal’s fingerprints. Nowadays, live-scan acquisition technique is used in civil and criminal AFIS (Automated Fingerprint Identification system), that make use of sensors like optical, solid-state to acquire fingerprints.
Disadvantages of Touch Based Sensors
While using the touch-based sensor interface, the
fingertip needs to be placed over the interface so that a
proper fingerprint image can be taken. But the touchbased
sensors have several problems like the problem of
contamination which occurs because of placing the
fingertip over the same interface which is already used
by other. This produces a low quality fingerprint image.
Another problem is due to contact pressure, which
creates physical distortions which are usually non-linear
in arbitrary direction and strengt