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Hand geometry data is easier to collect; but unlike fingerprints, the human hand isn't quite as unique. One can use finger length, thickness, and curvature for the purposes of verification but not for identification. This technology is more suitable in situations where there are more users and are perhaps less disciplined in their approach to the system. With fingerprint acquisition, good frictional skin is required by imaging systems, and with retina-based recognition systems, special lighting is necessary. Hand geometry can be easily combined with other biometrics, namely the fingerprint, to enhance the identification authenticity. One can also devise a system where fingerprints are used for (infrequent) identification and hand geometry is used for (frequent) verification. A typical popular example of hand geometry readers used in organizations is a time and attendance recording device. The ease of integration coupled with the ease of use makes hand geometry a good first step for many biometric projects.
Advantages
Disadvantages
At BioVeriCom, Inc., we only provide hand geometry biometric technology for custom application development. [1] A.K. Jain, A. Ross, and S. Pankanti, "A Protoype Hand Geometry-based Verification System", 2nd International Conference on Audio- and Video-based Biometric Person Authentication, Mar, 1999. Pp. 166-171. |
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