中文说明：这个是面部表情自动识别的源代码。它是基于Viola和Jones的面部检测算法和Gabor面部特征点的提取，然后使用训练过的神经网络来识别人脸表情。
English Description：
This is the source code of facial expression automatic recognition. It is based on the face detection algorithm of Viola and Jones and the extraction of Gabor facial feature points, and then uses the trained neural network to recognize facial expression.