08-Biometrics-Lecture8-Day2-Part1-16-00-17-30

08-Biometrics-Lecture8-Day2-Part1-16-00-17-30 - Continuing...

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1 Biometric Identity Verification http://scgwww.epfl.ch/courses Continuing Education – COST 2101 Training School Dr. Andrzej Drygajlo Speech Processing and Biometrics Group Signal Processing Institute Ecole Polytechnique Fédérale de Lausanne (EPFL) Center for Interdisciplinary Studies in Information Security (ISIS)
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2 Face Speaker Recognition Dynamic Signature Fingerprints Iris Hand Others Leading Biometric Technology
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3 Identifiable biometric characteristics Biological traces DNA (DeoxyriboNucleic Acid), blood, saliva,etc. Biological (physiological) characteristics fingerprints , eye irises and retinas, hand palms and geometry, and facial geometry Behavioral characteristics dynamic signature , gait, keystroke dynamics, lip motion Com bined voice
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4 Popular biometric characteristics (modalities) Fingerprint Voice Signature Face Iris Hand
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5 Comparison of biometric techniques ACCURACY COST Fingerprint Vo ice / Speech Signature Fa ce Hand Iris
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6 Iris Recognition Generalities Iridology Properties of the iris Applications Iris sensing Iris features Iris matching Performance evaluation Identification
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7 References J. Daugman, “ How Iris Recognition Works ”, IEEE Transactions on Circuits and Systems for Video Technology (CSVT), vol. 14, no. 1, 2004, pp. 21 - 30 J. Daugman, “ High confidence visual recognition of persons by a test of statistical independence ”, IEEE Trans. on Pattern Analysis and Machine Intelligence, vol. 15, no. 11, 1993, pp. 1148-1161.
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8 Eye « … sometimes from her eyes I did receive fair speechless messages… » The Merchant of Venice, Act I, Scene 1,
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9 Iris
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10 Iris The iris begins to form in the third month of gestation and the structures creating its pattern are largely complete by the eighth month. Pigment accretion can continue into the the first postnatal years. Iris colour is determined mainly by the density of melanin pigment. Blue irises result from an absence of pigment. Distinctive features: arching ligaments, furrows, ridges, crypts, rings, corona, freckles, etc.
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11
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12 Iris Recognition Generalities Iridology Properties of the iris Applications Iris sensing Iris features Iris matching Performance evaluation Identification
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13 Iridology There is a popular belief in systematic changes in the iris pattern, reflecting the state of health of each of the organs in the body, one's mood or personality, and revealing one's future Iridology resembles palm-reading and is popular in parts of Europe and in California All scientific tests dismiss iridology as a medical fraud Berggren, L. (1985), “Iridology: A critical review”, Acta Ophthalmologica, 63(1): 1-8
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14 Iridology “Throughout the ages, the eyes have been known as the windows to the soul, and modern behavioral research is proving this adage to be true. If you look closely at the iris of the eye, you will notice small, dark dots, light streaks or rounded openings in the fibers. These characteristics provide the key to unlocking the mysteries of the personality” (Rayid International).
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This note was uploaded on 06/25/2009 for the course MATH MAT 400 taught by Professor Jamespotvein during the Fall '08 term at University of Toronto.

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08-Biometrics-Lecture8-Day2-Part1-16-00-17-30 - Continuing...

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