用matlab学习图像处理的基础代码，主要是matlab丰富绘图的代码，有二维图形，三维绘图，特殊图形的绘图，以及图形的编辑等，是学习绘图的资料。-Matlab learning the basis of the image processing code, code of matlab rich graphics, 2D graphics, 3D graphics, special graphics drawing and graphics editing, learning drawing。

对输入图像进行判断是否为三维，若是则转化为二维，然后在用灰度图像进行水平和垂直投影-The input image is to determine whether the 3D into 2D, if it is, then the horizontal and vertical projection in gray image