包含多个类和结构体，可进行图像锐化、图像中值滤波、图像平滑、直方图、图像频域变换、图像腐蚀、图像形态学、图像点变换等多种数字图像处理操作。-Contain multiple classes and structures can be for image sharpening, median filtering, image smoothing, histogram, image frequency domain transform, image corrosion, image morpholo