图像在采集、转换和传输中,常常受到成像设备与外部环境噪声干扰等影响.一般来说,现实中的图 像都是带噪图像.为了后续更高层次的处理,很有必要对图像进行去噪-Images in the collection, conversion and transmission, often by the imaging device with the external environment, such as the impact of noise. Generally speaking, the real