中文说明：自己关于TVL1方法的改进 用来去除人脸上面的光照得到人脸的纹理图像，对于光照下人脸识别有相当大的作用。也可以用来定位
English Description：
The improvement of TVL1 method is used to remove the illumination above the face and get the texture image of the face, which has a great effect on face recognition under illumination. It can also be used for positioning