Total Variation for an X-ray image. using rof model Is there any function to find total variation.

TV with respect to I by $$\sum\sqrt{i x^2+i y^2}+\lambda\|i-g\|$$

$I$ is the denoised Image $I x$ and $i y$ are gradient.

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    $\begingroup$ You want to make your xray images demonic? Or did autocorrect mangle what you were writing? $\endgroup$ – JRE Feb 11 at 10:20
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    $\begingroup$ what is "total variation", what is "rof model" , what is "$I$", you only use $i$ in your formula, what is "$g$"? please make sure you actually mathematically define all terms you use. $\endgroup$ – Marcus Müller Feb 11 at 14:36

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