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Well, it kind of depends on what you need to do and what you're going to use it for in the end.
Rosettes are hard to get rid of and maintain image clarity, which is why you generally avoid scanning screened prints (magazines et al.)
You can try using some blurs on multiple copied layers and then blend them with blending modes to try to take the edge off. Smart blur or anisotropic diffusion might be another technique to use. The biggest problem you're going to have is with detail clarity due to the techniques you'll need to remove the rosettes.
If you only need this for web, it won't be too bad, but if you need this to print, it's going to be an uphill battle.
I got rid of quite a bit of the pattern by using Filter > Noise > Dust and Scratches set to 2 pixels radius and 0 threshold levels. Is that a little better?
1) I did some job with ---replacing tool ---
2) Littlebit of ---Hue/Saturation---
3) Little with ---Noise>Median (2-3)---
4) A few ---Smugles---
5) And some of ---Shadows--- and ---Lighting---
Basically this kind of job is done by blurring and sharpening the red, green and blue channels of the image and selectively using the blur and then (if needed) the median filter to get out imperfections, followed by an unsharp mask filter to bring out detail. Usually you want to blur/median/sharpen the blue channel the most, because it has the most imperfections, and then experiment with the other two. When you use all of these three filters, or two, you want to use the same values(use the same radius for the unsharp mask filter) for all them so that color halos are kept to a minimum. This is the best I could do....
Each image has ten channels essentially. If you can identify which channel has the most imperfections -- for instance if they are just colored dots, use lab to blur the ab channels, and if they are yellow dots, use the blue channel of RGB, and if they are all black, blur and sharpen the K channel of cmyk -- you can blur then sharpen those channels while retaining the detail in the other channels by only slightly blurring/sharpening them.
I think he was asking how to remove the sharpen stuff and clean
the face?, not only putting it through many filters.
Give it little of life and make some of hand painting [righton]
Its my own opinion