中文说明： 实现典型相关分析，计算时间和二维直方图,通过反复训练模板能有较高的识别率，人脸识别中的光照处理方法，包括最后计算压缩图像的峰值信噪比和压缩效果的源码,包括调制，解调，信噪比计算。
English Description：
Canonical correlation analysis on realization, calculation time and two dimensional histogram, through practice templates can have a high recognition rate, light treatment method in face recognition, including the final calculation of peak signal to noise ratio of the compressed image and compression of the source, including modulation, demodulation, and signal to noise ratio calculations.