但这种非线性扩散方程在进行图像去噪的过程中存在两个缺点：滤波过后依然存在孤立噪声点和边缘处的噪声难以去除。

There are two shortcomings when such filter is used for image denoising: single speckle is reserved after filtering and noise at edges cannot be eliminated successfully.

youdao

但这种非线性扩散方程在进行图像去噪的过程中存在两个缺点：滤波过后依然存在孤立噪声点和边缘处的噪声难以去除。

There are two shortcomings when such filter is used for image denoising: single speckle is reserved after filtering and noise at edges cannot be eliminated successfully.

youdao