点运算、几何变换、正交变换、图像增强、形态学变换、边缘与轮廓、图像分析、图像复原、图像编码等等……一系列经典图形处理功能，对于新入门者有很大帮助！-Point computation, geometric transform, orthogonal transform, image enhancement, morphological transformation, edge and contour, image analysis, image restoration, image coding