包含很完整基础的图像处理和人脸识别！有人脸识别的各种预处理，例如几何变换、灰度变换、图像空余增强（高斯噪声、锐化、平均等）图像频域增强（各种变换和滤波）、腐蚀、膨胀、图像分割与检测-Contains a very complete basic image processing and recognition! There are various pre-recognition, such as geometric transformation, gray transformation, imag