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In recent years, sparse representation and dictionary learning methods have produced state-of-the-art results in many biometric recognition problems such as face, gait and iris recognition. However, when sparse representation-based classification methods are confronted with situations where the training data has different distribution than the test data, their performance degrades significantly. In...
Screen touch gesture has been shown to be a promising modality for touch-based active authentication of users of mobile devices. In this paper, we present an approach for active user authentication using screen touch gestures by building linear and kernelized dictionaries based on sparse representations and associated classifiers. Experiments using a new dataset collected by us as well as two other...
Because the traditional modes of identity authentication have security flaws and can not meet the practical requirements of network safety. Based on the traditional modes of identity authentication, this paper presents a new design of bidirectional identity authentication solution which combines PKI with fingerprint features, provides the concrete structure of it and certification process, this solution...
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