251 search results - page 27 / 51 » A Greedy EM Algorithm for Gaussian Mixture Learning |
122
click to vote
FGR
2000
IEEE
15 years 6 months ago
2000
IEEE
We present two methods using mixtures of linear subspaces for face detection in gray level images. One method uses a mixture of factor analyzers to concurrently perform clustering...
115
click to vote
NIPS
2003
15 years 3 months ago
2003
We propose a functional mixture model for simultaneous clustering and alignment of sets of curves measured on a discrete time grid. The model is specifically tailored to gene exp...
116
click to vote
ICDM
2007
IEEE
15 years 8 months ago
2007
IEEE
Probabilistic latent semantic indexing (PLSI) represents documents of a collection as mixture proportions of latent topics, which are learned from the collection by an expectation...
110
click to vote
ICML
2004
IEEE
16 years 2 months ago
2004
IEEE
Many clustering algorithms fail when dealing with high dimensional data. Principal component analysis (PCA) is a popular dimensionality reduction algorithm. However, it assumes a ...
134
click to vote
SDM
2007
SIAM
15 years 3 months ago
2007
SIAM
Many clustering algorithms have been proposed to partition a set of static data points into groups. In this paper, we consider an evolutionary clustering problem where the input d...