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x - Faculty of Computer Science - Technische Universität Dresden

x - Faculty of Computer Science - Technische Universität Dresden

Biometrics for

Biometrics for Authentication • Physiological or behavioural characteristics (of a human being) are measured and compared with reference values to – verify, that a given subject is the one it claimed to be • claimed “identity” is known to the system by other means – identify, a subject within a given set of (known) subjects • “identity” should be derived from biometrics • usually more difficult compared to verification 105

Biometrics: Physiological / Behavioural Characteristics 106 Iris / Retina Fingerprint Hand geometry Voice spectrogram [http://www.bromba.com/knowhow/IBS2005.pdf] (3D) Face geometry Handwriting: appearance, dynamics of writing DNA Gait [Pictures are mostly from Wikipedia] Thermography: facial thermograms Key strokes: dynamics of writing (speed, pressure etc.)

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