结合PCA的尺度不变特征变换(SIFT)算法，Gabor小波变换与PCA的人脸识别代码，实现了图像的灰度化并进一步用于视频监视控。- Combined with PCA scale invariant feature transform (SIFT) algorithm, Gabor wavelet transform and PCA face recognition code, Achieve a grayscale image and further control for video su