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PR
2006
65views more  PR 2006»
15 years 4 months ago
Why direct LDA is not equivalent to LDA
In this paper, we present counterarguments against the direct LDA algorithm (D-LDA), which was previously claimed to be equivalent to Linear Discriminant Analysis (LDA). We show f...
Hui Gao, James W. Davis
SIAMJO
2008
104views more  SIAMJO 2008»
15 years 4 months ago
A Minimax Theorem with Applications to Machine Learning, Signal Processing, and Finance
This paper concerns a fractional function of the form xT a/ xT Bx, where B is positive definite. We consider the game of choosing x from a convex set, to maximize the function, an...
Seung-Jean Kim, Stephen P. Boyd
TSP
2008
57views more  TSP 2008»
15 years 4 months ago
Polarimetric Detection of Targets in Heavy Inhomogeneous Clutter
Polarization diversity has proved to be a useful tool for radar detection, especially when discrimination by Doppler effect is not possible. In this paper, we address the problem o...
Martin Hurtado, Arye Nehorai
TSP
2008
187views more  TSP 2008»
15 years 4 months ago
Invariant Description and Retrieval of Planar Shapes Using Radon Composite Features
This paper proposes a novel feature-based invariant descriptor termed Radon composite features (RCFs) for planar shapes. Instead of analyzing shapes directly in the spatial domain,...
Yun Wen Chen, Yan Qiu Chen
TWC
2008
133views more  TWC 2008»
15 years 4 months ago
Dual-polarized wireless communications: from propagation models to system performance evaluation
In this paper, we address the potential benefits of dual-polarized arrays in multi-antenna wireless systems. After an extensive literature overview of experimental data, we present...
Claude Oestges, Bruno Clerckx, Maxime Guillaud, M&...