Wednesday, October 03, 2007

A Nice Visual Illusion

No, this one is not animated. All the motion is happening in your head. If you don't believe me, try covering most of the image with your hand or a piece of paper and only looking at a small part. You will see that no individual part of the image moves at all. It is only when you try to see the whole image that you notice motion.



So can any of you tell me how this works?

2 comments:

ramon1313 said...

How it works....
I believe you're playing with both the spatial frequency filter and the "change" in color frequency filters of the human eye (which would change depending on where the image is in your FOV).

How'd I do?
-raz

Optical Illusion said...

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