I have a issue with ImageEffect/EdgeStylization. After importing a .jpg-file like

test = Import["C:\\........\\DSCN0018_v1.jpg"]

The result is:

enter image description here

Then I take a smaller part of the picture and do the ImageEffect

    test1 = ImageTake[test, {1200, 5000}, {1200, 3000}]; 
test2 = ImageEffect[test1, {"EdgeStylization", 30}]

Normaly I don't have any problems and everything works fine. But sometimes I get strange colorised stripes like this image:

enter image description here

What can be the reason and what is a solution for this issue?

  • $\begingroup$ Maybe it has something to do with the resolution. If I lower the resolution it works fine! $\endgroup$ – Michiel van Mens Oct 22 '18 at 13:30

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