中文说明：资源描述可以实现图像的膨胀与腐蚀操作，去除图像中的细小颗粒噪声，并且可以在图像修复中用到将掩膜图像经过膨胀之后，修复效果会更好，例如tv模型修复。
English Description：
Application backgroundYou can achieve the image expansion and erosion operation, removal of fine particles in the image noise, and can be used to mask the image after expansion in image restoration, repair effect will be better, such as TV model repair.