能有效提取图像的特征，包括：不变矩特征、形态特征、周长像素点、面积，矩形度，圆形度，拉伸度特征等。详情见 后的内容。-Can effectively extract image features, including: moment invariants, morphology, pixel perimeter, area, squareness, roundness, tensile elongation characteristics.

包括锐化,平滑,LOG滤波器提取边缘 数学形态学的腐蚀,膨胀,骨架化-Including sharpening, smooth, the LOG filter of mathematical morphology to extract the edge corrosion, expansion, skeletonization