2312 search results - page 92 / 463 » The complexity of estimating min-entropy |
PIMRC
2008
IEEE
14 years 5 months ago
2008
IEEE
Abstract—This paper proposes a new iterative channel estimation algorithm for known symbol padding (KSP) Orthogonal Frequency Division Multiplexing (OFDM) based on the Expectatio...
TWC
2008
13 years 11 months ago
2008
This letter addresses the problem of joint estimation of carrier frequency offset (CFO) and channel for OFDM systems in the presence of timing ambiguity. Based on two signal models...
ICCV
2003
IEEE
15 years 1 months ago
2003
IEEE
Example-based methods are effective for parameter estimation problems when the underlying system is simple or the dimensionality of the input is low. For complex and high-dimensio...
CVPR
2004
IEEE
15 years 1 months ago
2004
IEEE
In this paper, we propose a novel linear programming based method to estimate arbitrary motion from two images. The proposed method always finds the global optimal solution of the...
SIGMOD
2007
ACM
14 years 11 months ago
2007
ACM
Accurate cardinality estimation is critically important to high-quality query optimization. It is well known that conventional cardinality estimation based on histograms or simila...