551 search results - page 25 / 111 » Spectral Analysis |
101
Voted
ICPR
2004
IEEE
16 years 1 months ago
2004
IEEE
Statistical methods, such as independent component analysis, have been successful in learning local low-level features from natural image data. Here we extend these methods for le...
142
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IGARSS
2009
14 years 10 months ago
2009
We have explored in this paper a framework to test in a quantitative manner the stability of different endmember extraction and spectral unmixing algorithms based on the concept o...
119
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ICCV
2007
IEEE
16 years 2 months ago
2007
IEEE
Subspace learning based face recognition methods have attracted considerable interests in recent years, including Principal Component Analysis (PCA), Linear Discriminant Analysis ...
92
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CGI
2006
IEEE
15 years 4 months ago
2006
IEEE
In this paper, we apply Nystr
119
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FOCS
2000
IEEE
15 years 5 months ago
2000
IEEE
We motivate and develop a natural bicriteria measure for assessing the quality of a clustering that avoids the drawbacks of existing measures. A simple recursive heuristic is shown...