<?xml version="1.0" encoding="UTF-8" standalone="yes"?><oembed><version><![CDATA[1.0]]></version><provider_name><![CDATA[janbein]]></provider_name><provider_url><![CDATA[https://janbein.wordpress.com]]></provider_url><author_name><![CDATA[janbein]]></author_name><author_url><![CDATA[https://janbein.wordpress.com/author/janbein/]]></author_url><title><![CDATA[Optical illusions collection (part&nbsp;1)]]></title><type><![CDATA[link]]></type><html><![CDATA[<p align="center"><span style="font-family:'Times New Roman';"><img src="https://i1.wp.com/www.ritsumei.ac.jp/~akitaoka/gira9.gif" alt="" width="500" height="500" border="0" /></span></p>
<p align="center"><span style="font-family:'Times New Roman';font-size:xx-large;"><strong>&#8220;A pulser&#8221;</strong></span></p>
<p align="center"><span style="font-family:'Times New Roman';font-size:large;">The figure appears to scintillate. Moreover, rings of subjective color are observed.</span></p>
<p align="center"><span style="color:#ff80c0;font-family:'Times New Roman';font-size:xx-small;">Copyright A.Kitaoka 2003</span></p>
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<p align="center"><span style="font-family:'Times New Roman';"><img src="https://i0.wp.com/www.ritsumei.ac.jp/~akitaoka/girarot2.gif" alt="" width="500" height="500" border="0" /></span></p>
<p align="center"><span style="font-family:'Times New Roman';font-size:xx-large;"><strong>&#8220;Mesh spirals&#8221;</strong></span></p>
<p align="center"><span style="font-family:'Times New Roman';font-size:large;">The figure appears to scintillate. Moreover, the figure appears to rotate when you approach or move back from the figure with fixating at the center.</span></p>
<p align="center"><span style="color:#ff80c0;font-family:'Times New Roman';font-size:xx-small;">Copyright A.Kitaoka 2003</span></p>
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<p align="center"><span style="font-family:'Times New Roman';"><img src="https://i0.wp.com/www.ritsumei.ac.jp/~akitaoka/phanrot.gif" alt="" width="512" height="512" border="0" /></span></p>
<p align="center"><span style="font-family:'Times New Roman';font-size:xx-large;"><strong>&#8220;Flemming&#8217;s rules&#8221;</strong></span></p>
<p align="center"><span style="font-family:'Times New Roman';font-size:large;">Something appears to run in the circular clouds (visual phantoms).</span></p>
<p align="center"><span style="color:#ff80c0;font-family:'Times New Roman';font-size:xx-small;">Copyright A.Kitaoka 2003</span></p>
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<p align="center"><span style="font-family:'Times New Roman';"><img src="https://i2.wp.com/www.ritsumei.ac.jp/~akitaoka/flipflop.gif" alt="" width="447" height="445" border="0" /></span></p>
<p align="center"><span style="font-family:'Times New Roman';font-size:xx-large;"><strong>&#8220;Flip-flop&#8221;</strong></span></p>
<p align="center"><span style="font-family:'Times New Roman';font-size:large;">The figure appears to scintillate. In addition, the inset appears to move.</span></p>
<p align="center"><span style="color:#ff80c0;font-family:'Times New Roman';font-size:xx-small;">Copyright A.Kitaoka 2003</span></p>
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<p align="center"><span style="font-family:'Times New Roman';"><img src="https://i2.wp.com/www.ritsumei.ac.jp/~akitaoka/gira4.gif" alt="" width="500" height="500" border="0" /></span></p>
<p align="center"><span style="font-family:'Times New Roman';font-size:xx-large;"><strong>&#8220;Falling snow&#8221;</strong></span></p>
<p align="center"><span style="font-family:'Times New Roman';font-size:large;">The figure appears to scintillate.</span></p>
<p align="center"><span style="color:#ff80c0;font-family:'Times New Roman';font-size:xx-small;">Copyright A.Kitaoka 2003</span></p>
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<p align="center"><span style="font-family:'Times New Roman';"><img src="https://i1.wp.com/www.ritsumei.ac.jp/~akitaoka/gira7.gif" alt="" width="500" height="500" border="0" /></span></p>
<p align="center"><span style="font-family:'Times New Roman';font-size:xx-large;"><strong>&#8220;Op autumn&#8221;</strong></span></p>
<p align="center"><span style="font-family:'Times New Roman';font-size:large;">White patches appear to scintillate.</span></p>
<p align="center"><span style="color:#ff80c0;font-family:'Times New Roman';font-size:xx-small;">Copyright A.Kitaoka 2003</span></p>
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<p align="center"><span style="font-family:'Times New Roman';"><img src="https://i1.wp.com/www.ritsumei.ac.jp/~akitaoka/rokuyo.gif" alt="" width="822" height="747" border="0" /></span></p>
<p align="center"><span style="font-family:'Times New Roman';font-size:xx-large;"><strong>&#8220;Rokuyo stars&#8221;*</strong></span></p>
<p align="center">*Rokuyo is kind of week made up of 6 days: Sensho, Tomobiki, Sembu, Butsumetsu, Taian and Shakko. Lucky or unlucky days are fixed for each ceremony. For example, a Taian day is preferred for weddings in Japan.</p>
<p align="center"><span style="font-family:'Times New Roman';font-size:large;">Six white circles appear to scintillate. Moreover, red circles appear to rotate clockwise while blue ones counterclockwise.</span></p>
<p align="center">Related reference: <a href="http://www.perceptionweb.com/cgi-bin/pion/perdisp.pl?query=/perception//perabs//p31//p3281.htmlpinna">scintillating lustre by Pinna, Ehrenstein and Spillmann (2002)</a></p>
<p align="center"><span style="color:#ff80c0;font-family:'Times New Roman';font-size:xx-small;">Copyright A.Kitaoka 2003</span></p>
<p align="center"><a href="http://www.psy.ritsumei.ac.jp/~akitaoka/rokuyo.cdr">rokuyo.cdr</a> (CorelDRAW)</p>
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<p align="center"><span style="font-family:'Times New Roman';"><img src="https://i0.wp.com/www.ritsumei.ac.jp/~akitaoka/gira3.gif" alt="" width="500" height="500" border="0" /></span></p>
<p align="center"><span style="font-family:'Times New Roman';font-size:xx-large;"><strong>&#8220;A time tunnel&#8221;</strong></span></p>
<p align="center"><span style="font-family:'Times New Roman';font-size:large;">Color blobs appear to scintillate.</span></p>
<p align="center"><span style="color:#ff80c0;font-family:'Times New Roman';font-size:xx-small;">Copyright A.Kitaoka 2003</span></p>
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<p align="center"><span style="font-family:'Times New Roman';"><img src="https://i1.wp.com/www.ritsumei.ac.jp/~akitaoka/gira2.gif" alt="" width="500" height="500" border="0" /></span></p>
<p align="center"><span style="font-family:'Times New Roman';font-size:xx-large;"><strong>&#8220;Matataki&#8221;*</strong></span></p>
<p align="center">*scintillation</p>
<p align="center"><span style="font-family:'Times New Roman';font-size:large;">Color blobs appear to scintillate.</span></p>
<p align="center"><span style="color:#ff80c0;font-family:'Times New Roman';font-size:xx-small;">Copyright A.Kitaoka 2003</span></p>
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<p align="center"><span style="font-size:medium;">Caution!! The figure shown below might make you feel sick.</span></p>
<p>&nbsp;</p>
<p align="center"><span style="font-family:'Times New Roman';"><img src="https://i0.wp.com/www.ritsumei.ac.jp/~akitaoka/curtain1.gif" alt="" width="500" height="500" border="0" /></span></p>
<p align="center"><span style="font-family:'Times New Roman';font-size:xx-large;"><strong>&#8220;A color curtain&#8221;</strong></span></p>
<p align="left"><span style="font-family:'Times New Roman';font-size:large;">Color lines appear to scintillate. Don&#8217;t watch this figure for a long time because this figure includes anomalous motion illusion between chromatic lines and achromatic gratings.</span></p>
<p align="center"><span style="color:#ff80c0;font-family:'Times New Roman';font-size:xx-small;">Copyright A.Kitaoka 2003</span></p>
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<p align="center"><span style="font-family:'Times New Roman';"><img src="https://i2.wp.com/www.ritsumei.ac.jp/~akitaoka/takara01.gif" alt="" width="596" height="596" border="0" /></span></p>
<p align="center"><span style="font-family:'Times New Roman';font-size:xx-large;"><strong>&#8220;Treasure box&#8221;</strong></span></p>
<p align="center"><span style="font-family:'Times New Roman';font-size:large;">Color squares appear to scintillate. The figure appears to bulge out slightly though this consists of only squares.</span></p>
<p align="center"><span style="color:#ff80c0;font-family:'Times New Roman';font-size:xx-small;">Copyright A.Kitaoka 2003</span></p>
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<p align="center"><span style="font-family:'Times New Roman';"><img src="https://i1.wp.com/www.ritsumei.ac.jp/~akitaoka/jiggle.gif" alt="" width="500" height="500" border="0" /></span></p>
<p align="center"><span style="font-family:'Times New Roman';font-size:xx-large;"><strong>&#8220;Jiggle&#8221;</strong></span></p>
<p align="center"><span style="font-family:'Times New Roman';font-size:large;">The surround appears to jiggle and scintillate.</span></p>
<p align="center"><span style="color:#ff80c0;font-family:'Times New Roman';font-size:xx-small;">Copyright A.Kitaoka 2003</span></p>
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<p align="center"><span style="font-family:'Times New Roman';"><img src="https://i0.wp.com/www.ritsumei.ac.jp/~akitaoka/bluesun.gif" alt="" width="512" height="512" border="0" /></span></p>
<p align="center"><span style="font-family:'Times New Roman';font-size:xx-large;"><strong>&#8220;Blue sun&#8221;</strong></span></p>
<p align="center"><span style="font-family:'Times New Roman';font-size:large;">Circular scintillation appears.</span></p>
<p align="center"><span style="color:#ff80c0;font-family:'Times New Roman';font-size:xx-small;">Copyright A.Kitaoka 2003</span></p>
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<p align="center"><span style="font-family:'Times New Roman';"><img src="https://i1.wp.com/www.ritsumei.ac.jp/~akitaoka/shippo01.gif" alt="" width="407" height="400" border="0" /></span></p>
<p align="center"><span style="font-family:'Times New Roman';font-size:xx-large;"><strong>&#8220;Static gingin shippo&#8221;</strong></span></p>
<p align="center"><span style="font-family:'Times New Roman';font-size:large;">&#8220;Gingin&#8221; means scintillating and &#8220;shippo&#8221; means a Japanese traditional pattern.</span></p>
<p align="center"><span style="color:#ff80c0;font-family:'Times New Roman';font-size:xx-small;">Copyright A.Kitaoka 2003</span></p>
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<p align="center"><span style="font-family:'Times New Roman';"><img src="https://i2.wp.com/www.ritsumei.ac.jp/~akitaoka/opartten.gif" alt="" width="275" height="194" border="0" /></span></p>
<p align="center"><span style="font-family:'Times New Roman';font-size:xx-large;"><strong>&#8220;An exhibition of op art&#8221;</strong></span></p>
<p align="center"><span style="font-family:'Times New Roman';font-size:large;">Red frames apepar to glow.</span></p>
<p align="center"><span style="color:#ff80c0;font-family:'Times New Roman';font-size:xx-small;">Copyright A.Kitaoka 2003</span></p>
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<p align="center"><span style="font-family:'Times New Roman';"><img src="https://i1.wp.com/www.ritsumei.ac.jp/~akitaoka/warp.gif" alt="" width="500" height="500" border="0" /></span></p>
<p align="center"><span style="font-family:'Times New Roman';font-size:xx-large;"><strong>&#8220;Warp&#8221;</strong></span></p>
<p align="center"><span style="font-family:'Times New Roman';font-size:large;">Stars appear to twinkle when we fixate on the center.</span></p>
<p align="center"><span style="color:#ff80c0;font-family:'Times New Roman';font-size:xx-small;">Copyright A.Kitaoka 2003</span><br />
<span style="color:#cc0000;font-family:'Times New Roman';font-size:small;">(c)Akiyoshi Kitaoka &#8220;Trick eyes 2&#8221; Tokyo: KANZEN 2003</span><br />
<span style="font-family:'Times New Roman';">(The cover design of Trick Eyes 2)</span></p>
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<p align="center"><img src="https://i0.wp.com/www.ritsumei.ac.jp/~akitaoka/giragira.gif" alt="" width="461" height="463" /></p>
<p align="center"><span style="font-family:'Times New Roman';font-size:xx-large;"><strong>&#8220;Glare&#8221;</strong></span></p>
<p align="center"><span style="font-family:'Times New Roman';font-size:large;">The rings appear to glare.</span></p>
<p align="center"><span style="color:#ff80c0;font-family:'Times New Roman';font-size:xx-small;">Copyright A.Kitaoka 2001</span></p>
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<p align="center"><span style="font-family:'Times New Roman';"><img src="https://i0.wp.com/www.ritsumei.ac.jp/~akitaoka/plaidm.jpg" alt="" width="500" height="500" /></span></p>
<p align="center"><span style="font-family:'Times New Roman';font-size:xx-large;"><strong>&#8220;Earthquake&#8221;</strong></span></p>
<p align="center"><span style="font-family:'Times New Roman';font-size:large;">The surround appears to fluctuate.</span></p>
<p align="center"><span style="color:#ff80c0;font-family:'Times New Roman';font-size:xx-small;">Copyright A.Kitaoka 2001</span></p>
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