How can I recreate this filter with photoshop

[Guest]

Hi,

I'm wondering how to recreate an filter like this for other pictures with Photoshop:

What would be a good way of doing this?

If I can't do it with Photoshop, with what program can I do it?

[c.pfaffenbichler · Accepted solution]

To truly assess what the Filter does one may need to see the unedited source image.

But is looks like some oversharpening, possibly with some desaturation.

What is the image you want to apply the effect on?

[D Fosse]

That's jpeg compression artifacts, plus extreme oversharpening, probably applied several times.

EDIT - and on a very low resolution image with visible pixels. It might survive upsampling to a higher pixel count using "nearest neighbor".