median filtering

例句：

1. 1.Median filtering is a technique used to remove noise from images.
   中值滤波是一种用于从图像中去除噪声的技术。
2. 2.In image processing, median filtering is often used to enhance edges in an image.
   在图像处理中，中值滤波通常用于增强图像的边缘。
3. 3. The median filtering algorithm is designed to preserve the edges of objects in an image.
   该中值滤波算法旨在保留图像中物体的边缘。