中文说明：使用MATLAB语言对人眼进行定位，其中包括灰度变化，椒盐变化，通过对图像进行两次滤波，并的到两个图像的查分图像，最后对眼睛进行定位。
English Description：
To locate the human eye using MATLAB language, including variations of gray, salt and pepper, by twice the image filter, and check points of the two images to the image, and finally position the eyes.