成像系统的计算机模拟，根据成像原理，计算一个空间立体正方体在2D平面中心的成像，并考虑物体的遮挡问题。-Computer simulation of imaging systems, according to imaging technique to calculate three-dimensional cube of a space center in the 2D image plane, and consider the object occlusion.

计算图片中大米的个数，计算每个大米的周长和中心点-Here we are interested to find number of rices and their perimeters as well as their center of gravities. Using the image, segment rices in a binary image. Then you can use the help mfile (Q2.m) to see how we can lable, fin