想提取一副幅图的背景函数,刚从网上查到用surf,上机试试:
x=imread('cf1.bmp');
>> y=surf(x);
Warning: Unrecognized OpenGL version, defaulting to 1.0.
Warning: CData must be double or float unless it is used only as a texture data.
Warning: CData must be double or float unless it is used only as a texture data.
上面三行不断重复
出来个图像窗口,是三维的网格坐标,什么都没有?