编写基本的图像处理程序，包括功能：

图像的读取、存储、显示（bmp、jpg等常用格式）

图像剪切、缩放

图像色彩变换（彩色->灰度等）

基本直方图变换和直方图均衡化

图像平滑与锐化

边缘抽取

阈值化

离散傅立叶变换

二值形态学处理（腐蚀、膨胀、开运算、闭运算）

-Preparation of basic image processing procedures, including functions: image reading, storage and display (bmp, jpg and other popular format), image cropping, scaling the image color change (color->　gray, etc.) basic histogram transform and histogram equalization image smoothing and sharpening the edge of the threshold of taking the discrete Fourier transform processing binary morphology (erosion, dilation, opening operation and closing operation)