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Hand geometry

Geometry of a hand and some examples of measurements that can be taken by hand geometry reading devices.[1]
A hand geometry reading device with pegs to control the placement of the hand. Angled mirror on the left reflects the side view image of the hand to the camera. A CCD camera is beneath the keypad to take the top view image of the hand and the mirror image.[2]

Hand geometry is a biometric that identifies users from the shape of their hands. Hand geometry readers measure a user's palm and fingers along many dimensions including length, width, deviation, and angle and compare those measurements to measurements stored in a file.[3]

  1. ^ "Hand Geometry" (PDF). National Science and Technology Council (US). 7 August 2006. Retrieved 28 November 2013.
  2. ^ Bača, Miroslav; Grd, Petra; Fotak, Tomislav (2012). "Basic Principles and Trends in Hand Geometry and Hand Shape Biometrics". New Trends and Developments in Biometrics. doi:10.5772/51912. ISBN 978-953-51-0859-7. S2CID 35307022.
  3. ^ Sanchez-Reillo, R.; Sanchez-Avila, C.; Gonzalez-Marcos, A. (October 2000). "Biometric identification through hand geometry measurements". IEEE Transactions on Pattern Analysis and Machine Intelligence. 22 (10): 1168–1171. doi:10.1109/34.879796.

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