I have noisy image matrix.I need to plot it on line plot.How do I do it?

I have both 2d and 3d noisy image matrix.I need to figure out how much have they been denoised.So,I need to plot them on a line plot.What should be appropriate code snippet?

Answer 1

[KSSV]

You can convert image into column using (:). But I don't think this is the way to check.

I = imread('cameraman.tif') ; 
plot(I(:))