形态学图像处理，在人脸局部图像中定位嘴的中心，显微镜下图像的细菌记数，利用顶帽变换技术解决光照不均问题-Morphological image processing, positioning the center of the mouth in the face of local image, the bacterial count under the microscope images, the use of top-hat transformation technology to solve the problem of uneven illumination