1·The ependymal cells in the subfornical organ and terminal plate had few cilia, while in the median eminence many cilia, microvilli and single dispersed ciliated epithelium could be found.
穹窿下器及终板处室管膜细胞纤毛少见，而正中隆起处可见大量纤毛及微绒毛，并可见单个散在的纤毛上皮细胞。
2·Treat with plate grain image got by video using methods of gray level transformation, median filter, erosion, expansion and so on, gain the image which only includes grain, then detect brim of grain.
对视频采集到的板材纹理图像进行灰度化、中值滤波去噪、二值化、腐蚀、膨胀等处理，得到仅包含目标纹理的图像后检测纹理边缘。