任意读取一幅BMP图像，可以得到图像上任意一点的像素值，读取窗口可以移动，大小可变-Any reading a BMP image, the image can be any point on the pixel value, read the window can be moved, the size variable

图像处理方面，包括滑动窗口，线性滤波，中值滤波-Image processing, including sliding window, linear filtering, median filtering