对256色bmp图像进行处理的程序 包括点运算,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,图像还原,图像编码等内容-pair of 256-color bmp image processing procedures including point operations, geometry transformation, orthogonal transformation, image enhancement, morphological transformatio