Experimental results demonstrate that KPCA is not only good at dimensional reduction, but available to get better performance than conventional PCA, of which the correct recognition rate is up to 92.5%.

• 实验结果表明，核主成分分析不仅实现了降维，而且能取得比传统主成分分析更好的识别性能，正确识别率为92.；5%25。