Semisupervised Local Discriminant Analysis for Feature Extraction in Hyperspectral Images

  title={Semisupervised Local Discriminant Analysis for Feature Extraction in Hyperspectral Images},
  author={Wenzi Liao and Aleksandra Pizurica and Paul Scheunders and Wilfried Philips and Youguo Pi},
  journal={IEEE Transactions on Geoscience and Remote Sensing},
We propose a novel semisupervised local discriminant analysis method for feature extraction in hyperspectral remote sensing imagery, with improved performance in both ill-posed and poor-posed conditions. The proposed method combines unsupervised methods (local linear feature extraction methods and supervised method (linear discriminant analysis) in a novel framework without any free parameters. The underlying idea is to design an optimal projection matrix, which preserves the local neighborhood… CONTINUE READING
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