1.数字图像与连续图像相比具有哪些优点?连续图像f(x,y与数字图像I(c,r中各量的含义是什么?它们有何联系和区别? (To be compared with an analog image, what are the advantages of a digital image? Let f(x,y be an analog image, I(r, c be a digital image, please give explanation and comparison for defined variables: f/I, x/r, and y/c2.图像处理可分为哪三个阶段? 它们是如何划分的?各有什么特点? (We can divide imageprocessing into 3 stages, what are they? how they are divided? What are their features?答:低级处理-低层操作,强调图像之间的变换,是一个从图像到图像的过程;中级处理-中层操作,主要对图像中感兴趣的目标进行检测和测量,从
