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Convert Image into a Grid of Circles
Step 3
Add a Mosaic filter (Filter> Pixelate> Mosaic) with a cell size of 8 square.
Step 4
Apply a Find Edges filter (Filter> Stylize> Find Edges)
Step 5
To warp the edges into circles, we'll use the Median filter. Apply a Median filter (Filter> Noise> Median) with radius of 2 pixels.
Step 6
Select the Magic Wand tool (W) and apply these settings:
Tolerance: 8
Anti-Alias: Checked
Contiguous: Checked
Step 7
Use the Magic Wand tool to click on a white area. Inverse the selection (Select> Inverse or Shift+Ctrl+I)
Step 8
Apply another Median filter (Filter> Noise> Median) but with a Radius of 3 pixels.
Step 9
Deselect (Select> Deselect or Ctrl+D) and apply an Auto Levels (Image> Adjustments> Auto Levels or Shift+Ctrl+L)
Step 10
Invert the current layer (Image> Adjustments> Invert or Ctrl+I)
Step 11
Duplicate the current layer (Layer> Duplicate Layer or Ctrl+J), change the blending mode of the new layer to Overlay, then Merge the layers (Layer> Merge Layers or Ctrl+E).
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