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I have a photo of a mural painted on a stucco wall that needs to be digitized. Is there an easy way to remove all of the stucco texture in Photoshop?

Here are some samples:

At 33.3%: enter image description here

At 100%: enter image description here enter image description here enter image description here

  • Could be. Hard to say without seeing a photo to know the colors and contrast. – Ryan Sep 7 '16 at 2:16
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    @Ryan I've added some samples. The full size is a 2GB .psb – ShemSeger Sep 7 '16 at 17:23
  • You can certainly do something but you'll lose details. Some of the actual image details are around the same size as the texture details so there's not much you can do about that. – Cai Sep 7 '16 at 18:55
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Decided to use this for a 60 second video tutorial you can grab here if you prefer to watch video: https://youtu.be/T3IBG6hb1jU

Similar to Film Grain the more Stucco texture you remove the less detail you'll be left with. So I'm not going to remove all of it but will flatten it a good bit using a very simple Curves Adjustment.

To start switch it to LAB mode. This is going to be hugely beneficial for something like this because of how it handles colors vs contrast. Now all you need to do is flatten the Lightness channel by literally opening the Curve and make the diagonal line ... flat. Now at this point you can see why we don't want to remove all of the stucco.

enter image description here

So play with the curve a bit until you get a happy place where the stucco is less pronounced but you still have a fair bit of detail. I ended up with a Curve like this:

enter image description here

If you want to take it further you could then apply some sort of blur to it, I would use Noise → Median set to 1 or 2 at most. Of course I'm also working off of the lower res copy you uploaded so play with it until you're satisfied. Be sure to duplicate the layer first or convert it to use Smart Filters.

enter image description here

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