This image was generated by me (Paul Nasca), using a software written by me.
<p>The "motion vectors " for this image are here:
</p>
<a href="https://en.wikipedia.org/wiki/Image:Anomalous_motion_illusion2.png" class="extiw" title="en:Image:Anomalous motion illusion2.png">en:Image:Anomalous_motion_illusion2.png</a>
<a href="https://en.wikipedia.org/wiki/User:Paulnasca" class="extiw" title="wikipedia:User:Paulnasca">Paulnasca</a> at <a href="https://en.wikipedia.org/wiki/" class="extiw" title="wikipedia:">English Wikipedia</a>
18 April 2007 (original upload date)
Transferred from <span class="plainlinks"><a class="external text" href="https://en.wikipedia.org">en.wikipedia</a></span> to Commons.