This is a variant of Gianni Sarcone's (@gsarcone) illusion, which is itself a variant of the original Müller-Lyer illusion.https://twitter.com/i/status/1213133729842880512 …
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I'm biased here, but this is one of the strongest visual illusions I have ever seen. None of the colored lines are moving.pic.twitter.com/QcW3u6WFB4
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Main differences from
@gsarcone's illusion are (a) higher frame rate (b) more lines (c) more acute angles (d) alternating phase for all rows except first one (e) a more sinusoidal function (the original looks more sawtooth, somehow?)Prikaži ovu nit
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How'd you make this? Have a github repo to share? Very cool!
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Matplotlib + ImageMagick. Here's the notebook.https://github.com/csaid/Illusion
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But isn't this how ~all~ movement in an animation works? Pixels don't actually move, they just show values similar to their neighbours on subsequent redraws. (I realise we're seeing the Müller-Lyer effect, but that seems independent of the gestalt movement illusion)
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I think your right that both Müller-Lyer and the gestalt thing are working, probably independently. But I don’t think the gestalt thing is just traditional animation. Only the gray segments get repositioned, and yet it looks like the colored lines are changing shape.
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Why is the phase of the top two rows in sync?
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Originally that was a bug in my code, but I kind of liked how it looked so I kept it in.
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Fantastic illustration - is there a version that I could embed in ppt (e.g., for classes teaching visual illusions) and how should I credit it?
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Thanks! Here's a link to the repo, which has the original gif file.https://github.com/csaid/Illusion
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