对医院拍的CT图片加载到程序中进行处理，找出其需要的特征点，并计算出其特征点间的距离，并与人体的正常距离进行比较，判断人是否正常-Taken to hospital in CT image is loaded into the program, find out the need of feature points, and calculate the distance between the feature points, and comparing with the normal dista