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» Continuous Spatial Authentication
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123
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ICCV
2007
IEEE
16 years 4 months ago
Spatial Random Partition for Common Visual Pattern Discovery
Automatically discovering common visual patterns from a collection of images is an interesting but yet challenging task, in part because it is computationally prohibiting. Althoug...
Junsong Yuan, Ying Wu
141
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SACMAT
2010
ACM
15 years 17 days ago
Enforcing spatial constraints for mobile RBAC systems
Proposed models for spatially-aware extensions of role-based access control (RBAC) combine the administrative and security advantages of RBAC with the dynamic nature of mobile and...
Michael S. Kirkpatrick, Elisa Bertino
PPSN
2000
Springer
15 years 5 months ago
Spatial Games with Adaptive Tit-For-Tats
This paper presents an adaptive tit-for-tat strategy and a study of its behavior in spatial IPD games. The adaptive tit-for-tat strategy is shown elsewhere to demonstrate high perf...
Elpida Tzafestas
131
Voted
ICIP
2000
IEEE
16 years 3 months ago
Compression Tolerant Watermarking for Image Verification
Digital Watermarking is seen as a viable solution to authentication of multimedia data and hence its security, especially in a networked environment. In this paper we present a ne...
Harpal S. Bassali, Jatin Chhugani, Saurabh Agarwal...
120
Voted
ICASSP
2011
IEEE
14 years 6 months ago
Applications of short space-time fourier analysis in digital acoustics
This paper presents a signal processing tool for analyzing and manipulating digitized acoustic wave fields, based on a spatio-temporal extension of the time–frequency represent...
Francisco Pinto, Martin Vetterli