形态学图像处理，包括图像膨胀，击中或击不中变换，边界提取，使用开运算和闭运算进行形态学平滑，顶帽变换和底帽变换等。-Morphological image processing, including image expansion, hit or miss transform, boundary extraction, using an open operation and closing operation smooth morphology, top hat transformation and bottom cap transformation.