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

此文件可用于获得CT图像中肺实质的模板，及与原灰度图融合成的肺实质增强图像。-This mfile can get the lung parenchyma of an CT image.