试用软件

How to calculate percentage change in Noise

2 次查看（过去 30 天）

显示更早的评论

Tallha Akram 2012-12-11

0
链接

此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/56265-how-to-calculate-percentage-change-in-noise

Hi,

I have added salt & pepper noise (10%) to a certain image and then apply the filter.

The Filter has removed enough noise and output image has shown reduction in noise level.

Now i want to calculate the percentage change in Noise Level. How to find it?

0 个评论
显示 -2更早的评论隐藏 -2更早的评论

请先登录，再进行评论。

请先登录，再回答此问题。

回答（1 个）

Walter Roberson 2012-12-11

0
链接

此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/56265-how-to-calculate-percentage-change-in-noise#answer_68131

Calculate the PSNR; see http://en.wikipedia.org/wiki/Peak_signal-to-noise_ratio

0 个评论
显示 -2更早的评论隐藏 -2更早的评论

请先登录，再进行评论。

请先登录，再回答此问题。

类别

Image Processing and Computer Vision Computer Vision Toolbox Recognition, Object Detection, and Semantic Segmentation Image Category Classification

在 Help Center 和 File Exchange 中查找有关 Image Category Classification 的更多信息

标签

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Translated by

试用软件