1814 search results - page 237 / 363 » Watermarking relational data: framework, algorithms and anal... |
152
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CMPB
2010
15 years 6 months ago
2010
Recent advances in 4D imaging and real-time imaging provide image data with clinically important cardiac dynamic information at high spatial or temporal resolution. However, the en...
166
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NIPS
2008
15 years 7 months ago
2008
We analyse matching pursuit for kernel principal components analysis (KPCA) by proving that the sparse subspace it produces is a sample compression scheme. We show that this bound...
171
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NIPS
2003
15 years 7 months ago
2003
In this paper, sparse representation (factorization) of a data matrix is first discussed. An overcomplete basis matrix is estimated by using the K−means method. We have proved ...
140
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ICDM
2006
IEEE
15 years 12 months ago
2006
IEEE
Hierarchies are an intuitive and effective organization paradigm for data. Of late there has been considerable research on automatically learning hierarchical organizations of dat...
162
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ICISC
2004
15 years 7 months ago
2004
Abstract. Anomaly detection, detection of deviations from what is considered normal, is an important complement to misuse detection based on attack signatures. Anomaly detection in...