Contributions of principal components to discrimination of classes of land cover in multi-spectral imagery
- 1 March 1995
- journal article
- research article
- Published by Informa UK Limited in International Journal of Remote Sensing
- Vol. 16 (4), 779-787
- https://doi.org/10.1080/01431169508954441
Abstract
Discriminant analysis and canonical variates analysis on principal components of a number of extracts from multi-spectral images showed that low order components with large eigenvalues are not necessarily the most important for distinguishing classes of landcover and discarding components with small eigenvalues may reduce the accuracy of discrimination. It is therefore inadvisable to use principal components analysis for reducing the number of wavebands used for discriminant analysis.Keywords
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