这是一个实现灰度图像双线性插值的小程序，程序中的参数m0和n0分别对应图像插值以后相对于原图像在行维和列维的放大倍数。-This is a grayscale image bilinear interpolation to achieve a small program, program parameters m0 and n0 respectively after the image interpolation with respect to the original image and th