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How do i reverse an applied effect please?


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IS it possible to reverse an effect applied to a picture previously?

I received a picture that had the "glowing edges" effect added to it (like the one below), is it possible to convert the picture back to it's original state?

Kinkaku-ji-glowing-edges.gif

I know this is possible if you have a picture that has had the "negative" effect applied, if you apply the "negative" effect to that it will make the picture look like it originally did.

Any advice?

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you can however get a pleasing picture from it.

take picture apply adjustments sepia it will give a black background and white image.

if you then apply adjustments invert color.

you get a nice image

Kinkaku-ji-glowing-edges.gif

from this point on you can change it to black and white. or use isolate line art and get just an outline you can recolor by hand.

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Mathematically speaking, what you're asking for just isn't possible*.

* afaik -- at best it's computationally infeasible, in other words it'd take 1000 years to run the "backwards" filter

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Mathematically speaking, what you're asking for just isn't possible*.

* afaik -- at best it's computationally infeasible, in other words it'd take 1000 years to run the "backwards" filter

That's what I was thinking. I think the only affect you can reverse is a color inversion.

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