图像的形态学变换(腐蚀，膨胀，细化等)，图像的边缘与轮廓处理(Hough变换，边缘提取，轮廓跟踪等)-Morphological image transform (corrosion, expansion, thinning, etc.), image edge and contour treatment (Hough transform, edge detection, contour tracking, etc.)