使用gabor函数对图像进行卷积操作，对学习图像滤波很有帮助-Gabor function image using the convolution operation, very helpful for learning image filter

gabor滤波，各个方向的纹理图像，可以作为文字识别的预处理步骤-Gabor filtering, the various directions of the texture image, can be used as a preprocessing step of text recognition