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BY
T.Sujendra nath &
Srinivas.H.S
RAO BAHADUR Y MAHABALESWARAPPA ENGINEERING COLLEGE
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Providing a secure authentication system has led to
rise in developing many biometric systems.
Biometrics can be defined as recognizing andidentifying a person based on physiological or
behavioral characteristics.
Biometrics is replacing passwords.
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In this technology ONES dorsal hand is used as the
PASSWORD for verification.
The veins present in the hand of the individual arescanned & verified thus providing the access.
Dorsal Hand vein authentication has a high level of
authentication accuracy due to the uniqueness and
complexity of vein patterns of the palm.
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Unlike the skin, through which near-infrared light
passes, deoxygenated hemoglobin in the blood flowing
through the veins absorbs near-infrared rays, causing it
to be visible as black regions to the scanner.
Arteries and capillaries, whose blood contains
oxygenated hemoglobin, which does not absorb near-
infrared light, are invisible to the sensor, hence wechoose VEINS.
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An individual's hand vein image is converted byalgorithms into data points, which is then compressed,
encrypted, and stored by the software. person when
ever access it, the data is compared with stored one,
thus verification is done.
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First the individual places his hand beneath the ir
camera, thus the camera takes the VEIN IMAGE and
compares it with the pre-registered one with the help of
INFRA RED RAYS.
If there is a match then access is allowed, if not accessis denied.
This system is not at all dangerous. A near infrared ray
is a component of sunlight, whose effect is much lessthan walking in sunlight.
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The lighting of the infrared ray is controlled depending
on the illumination around the camera.
The camera captures the vein image given that hand is
placed in the right area.
The software matches the translated vein pattern with
the registered pattern, while measuring the position and
orientation of the palm by a pattern matching method.
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Implementation of a contactless identification system
enables applications in public places or medicalfacilities.
The contactless feature of this device makes it suitable
for use where high levels of hygiene are required.
Eliminates any hesitation people might have about
coming into contact with something that other people
have already touched.
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This technology system had a false rejection rate of
0.01% (i.e., only one out of 10,000 scans were
incorrect denials for access)
False acceptance rate of less than 0.00008% i.e.,
incorrect approval for access in one in over a million
scans.
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No two people in the world share a dorsal hand vein
pattern - even those of identical twins will differ.
Even if you have registered your profile as a child, theimage will still be valid as veins are established in
utero (before birth).
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Two products are in great demand in the general
market. One is for a physical access control unit, otheris a logical access control unit.
Physical access control unit can be used to control
entry and exit for rooms and buildings.
Logical access control unit can be used to protect input
and output of electronic data.
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No more problems of forgotten passwords and id codes
- biometrics is the technology taking care of it.
Apart from other techniques like IRIS scan in whichCataract replacement, Finger scan during Injuries etc
can be an disadvantage, this technique has no problems.
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Very Economical
Highest factor of Security
One time registry and usage throughout life
More advantageous than other Biometric techniques
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Management in healthcare
Operator authentication
Owner authentication
Attendance authentication
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Biometric technology has been around for decades but
has mainly been for highly secretive environments with
extreme security measures.
The above article gives a snapshot of the dynamics in
the emerging biometric market, and stands apart from
other techniques available and also a bit more
advantageous.
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THANK YOU
RAO BAHADUR Y MAHABALESWARAPPA ENGINEERING COLLEGE