Biometric securityfujitsupalmveintechnology
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Transcript of Biometric securityfujitsupalmveintechnology
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Presented by:K.N.Lakshmi divya
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WHAT IS PALM VEIN AUTHENTICATION?
Palm vein authentication is one of the vascular pattern authentication technologies.
Vascular pattern authentication includes vein pattern authentication using the vein patterns of the palm,back of the hand or fingers as personal identification data
The palm vein authentication uses the vascular patternsof the palm as personal identification data
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REASONS FOR CONSIDERING THE PALM AREA FOR IDENTIFICATION :
A palm has wide area and more complicated vascular pattern and contains some differentiating features for personal identification when compared with the patterns present in the back of the hand and the ventral side or dorsal side of the fingers.
The palm normally has no hair and thus eliminates an obstacle to capturing the vein pattern and it is less susceptible to a change in skin color.
For this purpose the contactless palm vein authentication device was launched by Fujitsu in japan.This is also known as palmsecure.
In palm vein authentication we use sensing and matching technology.
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SENSING TECHNOLOGY : The sensing technology used for vein patterns is
based on near-infrared ray spectroscopy (NIRS) and imaging
Deoxygenated hemoglobin in vein vessels absorbs light having a wavelength of about 760 nm within near-infrared area (Fig. 1).
When capturing a body using near-infrared rays only the blood vessel pattern containing the deoxidized hemoglobin is visible as a series of dark lines (Fig.2).
The vein authentication device translates the black lines of the infrared ray image as the blood vessel pattern of the palm (Fig. 3), and then matches it with the previously registered blood vessel pattern of the individual.
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Fig1: visible ray image
Fig2:infrared ray image
Fig 3 :Extracted vein pattern
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IMAGING METHODS:
There are two imaging methods used for veins 1.Reflection 2.Transmission.
Reflection Method: The reflection method illuminates the target part from the
front. In this method, an illumination device and a capturing device can be combined because the direction of illumination and capturing is the same.
Transmission method: The transmission method illuminates the target part from the
back, the side or the surface around the target. but in this method, those devices must be used separately because the direction of illumination and capturing differs
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Therefore the configuration of the sensor used in the Reflection and Transmission method also differs.
Capture by this sensor is executed in a contactless manner.Users need not touch the sensor; they only have to hold their palm above it.
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Matching:
The palm vein pattern is extracted from infrared-ray images as dark lines.
This Matching involves1. Capture 2. Extraction of palm vein pattern
features3. Storing of palm vein pattern features
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1. Capture: Decide whether or not the user will hold
his/her palm over the palm vein authentication sensor. If the palm is held, capture the infrared-ray image
2. Extraction of palm vein pattern features: Extract the palm vein pattern from the
captured infrared-ray image by image processing. Convert the palm vein pattern to palm vein feature data following the algorithm to determine the correspondence between the two palm vein patterns.
3. Storing of palm vein pattern features: Store the palm vein feature data to
storage, smart card or hard disk, depending on the application.
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•Takes snapshot of palm veins•Generation of infrared ray image.•Extract the vein patterns from the infrared image and convert into vein pattern data.•Now Compares it with database 10
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Technology + -
Fingerprint •Popular•Cheapest
•Less Accurate
Voice •Non invasive •Least Accurate
Iris & Retinal •Very accurate •Invasive•Expensive•Sensitive
Palm Vein •Non-invasive•Relatively Cheap•Accurate
•Unfamiliar
11source
sourcesource
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Vein patterns Distinctive and unique to individuals, even left and
right hands. Difficult to steal or forge
False acceptance rate A rate at which someone other than the actual
person is falsely recognized. False rejection rate
A rate at which the actual person is not recognized accurately.
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*note – Chart created using average of data provided by the Table
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• Contactless
• Non-invasive
• 2.18 seconds recognition speed
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ADVANTAGES:
Contactless, hygienic and non-invasive . It is difficult to forge for intruders because
blood vessels are hidden within the body. This technology is non-intrusive;It does not
involve any physical contact between the user and the system .
Vein patterns are unique to each individual; even identical twins have different vein patterns .
Palm vein technology has an FRR of 0.01% and FAR of less than 0.00008%.this is based on the experiments conducted on 70,000 individuals in japan. It is Highly accurate
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DISADVANTAGES:
There are numerous factors that can effect the quality of the captured image.They are body temperature,
ambient temperature,humidity,unevenly distribution of heat,heat radiation,nearness of vein to surface,camera calibration and focus.
palm vein recognition is invasive because it creates fear among the users that it can be a painful process
It is relatively expensive and not available for mass production yet.
It is not applicable to people who lost their palms.
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APPLICATIONS:
Palm vein authentication is utilized in various Fields such as
Security systems - Door lock and integrated building security systems
Log-in control – login into pc’s or servers, network data access, etc.
Healthcare - ID verification for medical equipment, electronic record management, etc.
Financial services - ATM,Banks, vault access, etc.
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ATM MACHINES WITH PALM VEIN SENSOR UNIT
ATM: palm vein pattern is
captured by using the palm vein sensor on the ATM. The palm vein pattern is converted to palm vein features and transferred to the user’s smart card a
The matching between the palm vein features stored on the smart card and those transferred from the sensor is executed on the smart card.
The result is the output from the card.
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Login authentication:
Palm vein authentication can be integrated into laptop PCs by USB .
It is used to control access to electronically stored information.
Because login authentication using palm vein authentication can also be used for authentication using conventional IDs and passwords
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Door security system:
The palm vein authentication access control unit can be used to control entry and exit into and out of rooms and buildings.
This unit consists of operation and control sections. The operation section has a key pad,indicators , contactless smart card reader and palm vein sensor
The control section has a processing unit for the authentication and stores palm vein features of enrollees
This unit executes verification when a user input his or her ID
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In comparison with other leading bio-tech, PalmSecure is More Reliable, More Accurate Fast Small Relatively cheap to implemented and
operate It can be use for
PC log-in Building entrance ATM machine, etc…
Protect sensitive financial information Reduce loss due to identity theft
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Protect Our Clients. Protect Ourselves.
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