基于Linux下的opencv库，实现bmp图片的灰度和二值化，适用于对有杂质的二维码进行处理。-Based on OpenCV under the Linux library, to achieve BMP image gray and binarization, suitable for the treatment of impurities in the two-dimensional code.

用于图片的查找，二值化，灰度化，车牌的定位，字符的分割，字符的识别。(For image search, two values, gray, license plate positioning, character segmentation, character recognition.)

主要编写的图像预处理步骤的代码，包括灰度化，二值化，高斯模糊，图像增强(The main preparation of the image preprocessing steps of the code, including grayscale, binary, Gaussian blur, image enhancement.)