本代码是关于数字图像阈值分割的源代码，它包括：文件的重新打开与图像的灰度处理，其中灰度处理又包括：灰度二值化处理、r分量直方图、g分量值方图、b分量直方图等。-the code is on the threshold of digital image segmentation of the source code, including : File with the reopening of gray image processing, which also includes handling