3544 search results - page 385 / 709 » Information Security in Open Systems |
182
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SACMAT
2004
ACM
16 years 1 months ago
2004
ACM
We propose role-based cascaded delegation, a model for delegation of authority in decentralized trust management systems. We show that role-based cascaded delegation combines the ...
183
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ICASSP
2008
IEEE
16 years 2 months ago
2008
IEEE
A biometric template protection system for dynamic signature veri cation is presented. The approach uses auxiliary (helper) data that allows the matching with secure templates but...
245
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CVPR
2007
IEEE
16 years 9 months ago
2007
IEEE
In this paper, we propose a human action recognition system suitable for embedded computer vision applications in security systems, human-computer interaction and intelligent envi...
173
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PET
2009
Springer
16 years 2 months ago
2009
Springer
We present the Vida family of abstractions of anonymous communication systems, model them probabilistically and apply Bayesian inference to extract patterns of communications and u...
192
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CCS
2007
ACM
16 years 1 months ago
2007
ACM
We show that there is a direct relation between the maximum length of the keys extracted from biometric data and the error rates of the biometric system. The length of the bio-key...