Synonyms
Hand contour
Definition
A hand shape biometric system uses a camera or scanner-based device to acquire the hand image of a person from which shape information is extracted and compared against the information stored in a database to establish identity. In the enrollment stage, hand shape data is acquired from the registered users, feature sets are extracted from the acquired data, and one or multiple templates per individual are computed and stored in a database. In the deployment stage, one snapshot of the user’s hand is captured; a feature set is computed and then compared to the user’s templates in the database. Based on the comparison result, the claimed identity is accepted or denied.
A hand shape biometric system comprises the following modules: the sensor module, the feature extraction module, the matching module, and the decision-making module. The long-term system performance can be improved by an optional template adaptation module which updates (by averaging for...
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Duta, N. (2015). Hand Shape. In: Li, S.Z., Jain, A.K. (eds) Encyclopedia of Biometrics. Springer, Boston, MA. https://doi.org/10.1007/978-1-4899-7488-4_259
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DOI: https://doi.org/10.1007/978-1-4899-7488-4_259
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