投影程序，对图像进行二值化，然后对y轴进行投影得到图像的投影图像，以此来判断物体的边界等，本程序是检测图像左上角的一个正方体。-The projection procedure, the image is binarized, and then the y-axis projection image obtained by projecting the image, in order to determine the boundary of the object, the present pro