详细介绍了PCA算法的原理，以及它在人脸识别方面的应用!-PCA algorithm is described in detail the principle and its application in face recognition area!

本PPT介绍PCA人脸识别测试的步骤，比较详细，感兴趣的自己可以照着做一下-This PPT shows us steps about pca on face recognition in detail, someone who is interested in it can have a try!

PCA和2DPCA算法由于其在降维和特征提取方面的有效性，在人脸识别领域得到了广泛 的应用。该PPT详细介绍了PCA和2DPCA算法在人脸识别中具体步骤。-PCA and 2DPCA algorithm due to its dimensionality reduction and feature extraction in terms of effectiveness, in face recognition has been widely Applications. Th