78 search results - page 12 / 16 » Spectral Methods for Thesaurus Construction |
MM
2004
ACM
14 years 3 months ago
2004
ACM
We consider the problem of clustering Web image search results. Generally, the image search results returned by an image search engine contain multiple topics. Organizing the resu...
COMPGEOM
2000
ACM
14 years 2 months ago
2000
ACM
Let A be the incidence matrix of a set system with m sets and n points, m ≤ n, and let t = tr M, where M = AT A. Finally, let σ = tr M2 be the sum of squares of the elements of ...
SODA
2010
ACM
14 years 7 months ago
2010
ACM
Spectral methods have been widely used in a broad range of application fields. One important object involved in such methods is the Laplace-Beltrami operator of a manifold. Indeed...
TASLP
2008
13 years 9 months ago
2008
All discrete Fourier transform (DFT) domain-based speech enhancement gain functions rely on knowledge of the noise power spectral density (PSD). Since the noise PSD is unknown in a...
TASLP
2010
13 years 4 months ago
2010
This paper presents a framework for efficient HMM-based estimation of unreliable spectrographic speech data. It discusses the role of Hidden Markov Models (HMMs) during minimum mea...