Research Article

Optimizing Kernel PCA Using Sparse Representation-Based Classifier for MSTAR SAR Image Target Recognition

Figure 2

Improvement of class separability via kernel optimization algorithm. (a) 2-Dim projection in the empirical feature space for polynomial basic kernel . (b) 2-Dim projection in the empirical feature space for Gaussian basic kernel with .
847062.fig.002a
(a)
847062.fig.002b
(b)