The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences. Vol. XXXVII. Part B7. Beijing 2008
SFFS method, supervised PSBS yielded 0.04 percent and 0.72
percent improvement on OA and AA, respectively. In the
conventional BS methods, the feature size increases by adding a
new feature to the last feature set based on maximizing
discriminant criteria or accuracy measures. In contrast, in the
PSBS method the K-means is computed individually for the
new feature size. As a result, each new feature size is
independent from last feature set and has its own discrimination
potential.
Another merit of this method lies in the knowledge based
dimensionality reduction based on the spectral library. As a
result, this method allows users to employ limited sample size
and to treat hyperspectral data like multi-spectral data in
information extraction tasks.
REFERENCES
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Martinez-Uso,A., Pla, F., Sotoca, J. and Garcia-
Sevilla, P. “Comparison of Unsupervised Band Selection
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Verzakov, S., Paclik,P., Duin,R.P.W, “Feature Shaving for
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References from Books:
Guyon,I., Gunn, S. , Nikravesh, M. , Zadeh, A.,
Extraction : Foundations and Applications
3540354875,Springer; 1 edition ,2006.
Varshney,P.K., Arora,M.K. ’’Advanced Image Processing
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Pekalska,E./’dissimilarity representations
recognition” Phd thesis, Deleft University,2005.
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