通过读取usb摄像头获取图像，能实现背景更新，高斯滤波，二值化，形态学滤波 -Obtained by reading the usb camera images to achieve the background updates, Gaussian filtering, thresholding, morphological filtering

基于USB摄像头视频采集图像的形态学滤波与去噪，比较适合初学者入门-USB camera video capture image-based morphological filtering and denoising, more suitable for the beginner