Can anyone from university of Utah favour me by downloading the filesfrom the link http://www.cs.utah.edu/~ssingla/AdvIP/Image%20Denoising/Rof.html ?

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Vito Antonio Nardi

If you mean to download .m files it seems their security settings changed over time, now forbidding script downloads. You should then reach the author out, you can find her email at http://www.cs.utah.edu/~ssingla/

Michael Ryan MacIver

Gradient of an image can be calcuated using this function from MATLAB's mage processing toolbox

[Gx,Gy] = imgradientxy(I)

Hameed R. Farhan

Which files do you mean?

The paper can be downloaded from the following link

http://www.cs.utah.edu/~ssingla/AdvIP/Image%20Denoising/ROF/PhysicaRudinOsher.pdf