How to find image quality using cnr?

39 次查看（过去 30 天）
Selva Karna
Selva Karna 2017-7-31
回答： r r 2020-7-4
How to find image quality using cnr?

请先登录，再回答此问题。

回答（2 个）

Walter Roberson
Walter Roberson 2017-7-31
  3 个评论
显示 1更早的评论
Walter Roberson
Walter Roberson 2017-7-31
SNR and CNR are always defined as a measure of the difference between a noisy signal and a reference less-noisy signal. If you only have one image, then the only way you can calculate SNR or CNR is if you have distinct regions where part is noisy and part is less so, and you measure within the respective ROIs and calculate based on those.

请先登录，再进行评论。

r r
r r 2020-7-4
I have an image that contains a tumor and I want to calculate the rate of contrast for this tumor within the image , please help me

类别

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

标签

产品

Community Treasure Hunt

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

Start Hunting!

Translated by