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在对特征面进行归一化后的 pca 技术中,特征面的乘积不是正交的。 因此,图像的重量不正确。
我无法将原始图像证明为特征面的线性组合。
什么是适当的技术?
If you are trying to reconstruct your face than you need that, but if you just want to recognize the face you dont need a linear combination of eigen faces.