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Within the domain of biometrics, the pattern of dorsal hand vein has received increasing attentions during recent years due to its properties of being universal, unique, stable, and contactless, in particular the simplicity of liveness detection and difficulty of forging. This paper presents an effective and efficient approach to dorsal hand vein recognition. In contrast to the majority of existing...
This paper proposes a novel and efficient shape-based approach for hand dorsal vein recognition. A coarse-to-fine segmentation method is first introduced to precisely detect the boundaries of the vein areas. A generalized graph model, namely Width Skeleton Model (WSM), is built then, which takes both the topology of the vein network and the width of the vessel into account, thereby achieving more...
As malicious attacks greatly threaten the security and reliability of biometric systems, ensuring the authenticity of biometric data is becoming increasingly important. In this paper we propose a watermarking-based two-stage authentication framework to address this problem. During data collection, face features are embedded into a fingerprint image of the same individual as data credibility token...
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