BMP图像的车牌定位，包括图像基本的预处理，灰度化，二值化，中值滤波，去噪以及sobel边缘检测的源码。-lisence plate location based on BMP

自己写的基于传统的Sobel算子的二维图像滤波器，返回滤波后的梯度图像及边缘检测图像。-Write your own based on the traditional Sobel operator dimensional image filter, images and gradient edge detection image return filtered.

图像增强实例，包括对比度扩散、直方图均匀化、阈值滤波、均值滤波、中值滤波、低通模板滤波、高通模板滤波、BUTTERWORTH低通滤波、BUTTERWORTH高通滤波、指数高通滤波、KIRSCH锐化、LAPLACE锐化、PREWITT锐化、ROBERTS锐化、SOBEL锐化等。-Examples include image enhancement, contrast diffusion, histogram equalization, threshold filtering, mean filte