说明：  崔屹版-数学形态学，电子书，详细讲解了各种数学形态学处理方法，包括二值形态学处理和灰度形态学处理，很有学习价值。
(崔屹Edition- mathematical morphology, e-books, detailed account of a variety of mathematical morphology processing methods, including binary morphological processing and gray morphological processing, it is worth learning.)