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GLOBECOM
2010
IEEE
13 years 5 months ago
Know Your Enemy, Know Yourself: Block-Level Network Behavior Profiling and Tracking
Abstract. Gaining a better knowledge of one's own network is crucial to effectively manage and secure today's large, diverse campus and enterprise networks. Because of th...
Esam Sharafuddin, Nan Jiang, Yu Jin, Zhi-Li Zhang
ICASSP
2011
IEEE
12 years 11 months ago
Asymptotically MMSE-optimum pilot design for comb-type OFDM channel estimation in high-mobility scenarios
Under high mobility, the orthogonality between sub-carriers in an OFDM symbol is destroyed resulting in severe intercarrier interference (ICI). We present a novel algorithm to est...
K. M. Zahidul Islam, Tareq Y. Al-Naffouri, Naofal ...
CRV
2011
IEEE
278views Robotics» more  CRV 2011»
12 years 7 months ago
Online Visual Vocabularies
Abstract—The idea of an online visual vocabulary is proposed. In contrast to the accepted strategy of generating vocabularies offline, using the k-means clustering over all the ...
Yogesh A. Girdhar, Gregory Dudek
BC
1998
96views more  BC 1998»
13 years 7 months ago
Evidence of phase transitions in heart period dynamics
Complexity measures of non-linear dynamics are a useful tool for quantifying observed stretching, folding, scaling and mixing processes in the Takens-reconstructed state space of h...
Henrik Bettermann, Peter Van Leeuwen
GIS
2008
ACM
14 years 8 months ago
Parallel ODETLAP for terrain compression and reconstruction
We introduce a parallel approximation of an Over-determined Laplacian Partial Differential Equation solver (ODETLAP) applied to the compression and restoration of terrain data use...
Jared Stookey, Zhongyi Xie, Barbara Cutler, W. Ran...