Color Illusion Variations
OK, just like I promised, here's a list of variations on the spanish castle illusion that people have sent in.
Akiyoshi Kitoaka
Wohba
Mighty Illusions
Illusions Etc
gavinjoyce
Nothing Project
Sean Bell
Brandon Lawson
Chris Roberts
Vili Maunula
Logic High
Cinnamon Thoughts
Sandra Denio
bsm.sk
Florian Sander
Indrek Haav
Soep Kip
Hiroshi Yuki
Dave Kaplan
1,2,3,4, by Farmer Chris
If you create your own, post a link in the comments section of this post so everyone can go see it.
Don't forget that there's a photoshop tutorial!
posted by John Sadowski at Sunday, June 25, 2006
20 Comments:
Nice collection and thanks for all the traffic ;-)
Here's one I made of the Red Tower in northern Malta
http://uk.geocities.com/willow.thewhisp/illusion1.html
Here's one I made from a scene I rendered myself in Bryce:
http://home.comcast.net/~gorcorps/
Could someone find out why this works?
This isn't actually an Optical Illusion (http://en.wikipedia.org/wiki/Optical_illusion) at all; there's nothing deceptive or misleading going on. This is actually color adaptation (http://en.wikipedia.org/wiki/Adaptation_%28eye%29) - your eyes try to balance the colors you see. The same thing happens if you've ever had orange ski goggles on for any length of time. Eventually, you see normal colors, and when you take them off, everything's blue! It's because your eyes have adapted to orange, so your brain compensates - when the orange goes away, your brain is still compensating for it. Same thing is happening here: you're forcing your brain to compensate for the color negative by adapting in the other direction, which also happens to be the correct colors of the castle when you take the colors away.
Okay I did the tutorial, I just dunno how to make a roll over of summit on a website
Okay I did the tutorial, I just dunno how to make a roll over of summit on a website
Here's one I made from a pigeon house of my town, in Segovia, Spain.
http://www.sebulcor.com/efecto_2.htm
heres one that i made http://www.liquidgeneration.com/sabotage/optical_sabotage.asp
I made it "Kinkaku-ji temple"
http://arata.tv/blog/Illusion.htm
I would just like to say that 30 seconds is unnecessary, 15 works just fine, and does anyone know the minimum amount of time before it takes effect, or does it differ from person to person?
I also made one from France at the address: http://www.zenzi.org/blog.php?dateBlog=2007-05-15
I made a version here with a sunflower field.
http://thingsyoumightlike.wordpress.com/2007/06/21/the-spanish-castle-one-of-the-best-optical-illusions-ive-seen-in-a-long-time/
Alternatively just click on my name to go straight there.
Aquí, una versión del tutorial en castellano.
http://cosasdelperroverde.blogspot.com/
Here is my image, on a spanish blog.
Great tutorial, thank you!
Saw this the first time, sounds very interesting! Will give it a try.
I think that all of this is just bugged out! Its hot, but a little abnormal!
Here's the principal behind this - so far I don't think anyone has got it entirely right.
The retina of the eye is covered with rods and cones. Of the two types of ocular sensors, the cones are far outnumbered by the rods - yet they detect the color. There are three different types of cones, which detect the three different colors of light - green, blue and red. When these cones are stimulated for a relatively long period of time because the observer's brain directs them to the same color every time, they get "tired" in a sense. Once the image is changed, but the focal point does not move, these "tired" cones do not detect the color we have been seeing in the negative image. Thus for a very short period of time, our eyes trick us into seeing a photo in "real" colors.
Hey, John!
Please don't get mad at me, but I used your pictures because I'm not a graphics guy (don't even have Photoshop). I wanted to try to see what the effects are if you switch rapidly between those pictures instead of staring at them for a long time.
You can see it here: http://joi.skyrr.is/manzana/
Hi, here you can find mine. I've made it with Gimp not PhotoShop. I hope you will enjoy it.
http://enhy.fotolibre.net/fotografia/ilusion-optica/
I made a couple with some shots of playmate Irina Voronina (don't worry they're clean). Easy on the eyes! Check em out:
http://amostexcellentuseoftime.com/1.html
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