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seminar report and ppts

Postby geethanjalitn » Thu Feb 09, 2012 2:28 pm

hi,
this is sameera, please send me the ppts and seminor report for the topic "Palm Vein Technology" ...................
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Re: seminar report and ppts

Postby Prasanth » Thu Feb 09, 2012 3:45 pm

An individual first rests his wrist, and on some devices, the middle of his fingers, on the sensor's supports such that the palm is held centimeters above the device's scanner, which flashes a near-infrared ray on the palm. Unlike the skin, through which near-infrared light passes, deoxygenated hemoglobin in the blood flowing through the veins in palm veins absorbs near-infrared rays, illuminating the hemoglobin, causing it to be visible to the scanner. Arteries and capillaries, whose blood contains oxygenated hemoglobin, which does not absorb near-infrared light, are invisible to the sensor. The still image captured by the camera, which photographs in the near-infrared range, appears as a black network, reflecting the palm's vein pattern against the lighter background of the palm.

An individual's palm vein image is converted by algorithms into data points, which is then compressed, encrypted, and stored by the software and registered along with the other details in his profile as a reference for future comparison. Then, each time a person logs in attempting to gain access by a palm scan to a particular bank account or secured entryway, etc., the newly captured image is likewise processed and compared to the registered one or to the bank of stored files for verification, all in a period of seconds. Numbers and positions of veins and their crossing points are all compared and, depending on verification, the person is either granted or denied access.

Palm vein authentication technology consists of a Small Palm vein scanner that's easy and natural to use, fast Fast and highly accurate. Simply hold your palm a few
Centimeters over the scanner and within a second it reads Your unique vein pattern. A vein picture is taken and Palm pattern is registered.


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Re: seminar report and ppts

Postby Pankhuri » Tue Feb 28, 2012 4:48 pm

pls upload the seminar report on dual sim technology
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Re: seminar report and ppts

Postby sangeetha padesur » Wed Feb 29, 2012 6:23 am

pls upload seminar report and ppt on APPLAUS(a privacy preserved location proof updating system on location based services)
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