Image denoising using kernel PCA.

 make_noisy_data    - Adds Gaussian noise to USPS database.   
 show_denois_tuning - Plots curves of tuning stage of Kernel PCA.
 show_denoising     - Image denosing of USPS hand-written numerals.
 train_kpca_denois  - Training of kernel PCA model for image denoising.  
 train_lin_denois   - Training of linear PCA model for image denoising.

 USPSModelGreedyKPCA.mat - Kernel PCA model of USPS numerals.
 USPSModelLinPCA.mat     - Linear PCA model of USPS numerals.
 noisy_circle.mat        - Toy data generated by 'gencircledata'.


 About: Statistical Pattern Recognition Toolbox
 (C) 1999-2004, Written by Vojtech Franc and Vaclav Hlavac
 Czech Technical University Prague
 Faculty of Electrical Engineering
 Center for Machine Perception

 Modifications:
 10-jun-2004, VF