Linux下网络编程。实现qq对话，bmp图像数据传输等。原创！-Linux Network Programming. QQ dialogue to achieve, bmp image data transmission. Original!

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.