David Lucifer
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Enlighten me.
  
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Optical Illusion
« on: 2002-10-31 09:19:33 » |
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Spotted on the extropians list. I had to test the colours in an image processing program to make sure it wasn't a hoax.
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BillRoh
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Re:Optical Illusion
« Reply #2 on: 2002-10-31 18:35:56 » |
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I refused to believe it - but ya, Photoshop gives me an RGB of: 107, 105, 108 for both squares.
I assume that it is the contrast between the colors in the checkerboard pattern that keep the mind from seeing them as the same color. Cool.
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Tywick
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Re:Optical Illusion
« Reply #4 on: 2002-11-14 05:15:37 » |
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Quote from: Royen on 2002-10-31 16:55:52
Yeah, I saw this one on another board. It's tricky, but I believe part of the illusion comes from the letters 'A' and 'B' having different colors...
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Quote from: BillRoh on 2002-10-31 18:35:56
I refused to believe it - but ya, Photoshop gives me an RGB of: 107, 105, 108 for both squares.
I assume that it is the contrast between the colors in the checkerboard pattern that keep the mind from seeing them as the same color. Cool.
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I believe* it's due to both reasons mentioned.
Another more arguable explanation is a scotoma due to the gradient shading of the surrounding/contrasting squares.
Also any one who got too wrapped up in the movie "PI" might also attempt to develope a mathmatical pattern/formula to explain/measure the scotoma.
Definately an awesome optical illusion.
*Oh shit did I just use the word believe?
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Tywick
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Re:Optical Illusion
« Reply #5 on: 2002-11-16 14:32:24 » |
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Quote from: Royen on 2002-10-31 16:55:52
Yeah, I saw this one on another board. It's tricky, but I believe part of the illusion comes from the letters 'A' and 'B' having different colors...
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I'm not so sure the contrasting colors of the letters 'A' and 'B' contribute to the illusion.
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Flux
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http://VirianFlux.StumbleUpon.com
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Re:Optical Illusion
« Reply #6 on: 2003-02-11 19:12:20 » |
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that's right, I don’t think the letters are important to the subconscious and much as conscious in this case, we use them as conscious reference points, the A and B letters are both handled by a separate part of the brain normally, the left side deals with specifics like letters and the right hemisphere deals with visuals 
http://www.geocities.com/player2000gi/hemispheric_specialization.htm
I guess it compensates for shadows in our hardware / software blend, wonder if it’s in our DNA, or is only derived from it? I don't remember focusing around many shadows in my past...
An amazing illustration of the mind, and never underestimate the powers of denial 
Doesn’t matter though, I could be wrong still, complexities at every corner, maybe someone will edit out the letters one day?
Live long and prosper
Flux
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Live long and prosper,
VirianFlux / Flux
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Blunderov
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"We think in generalities, we live in details"
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Re:Optical Illusion
« Reply #10 on: 2003-09-20 07:59:34 » |
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The Rhinocerous is, as always, correct. The squares are different colours by definition. A knight will always land on a square of opposite colour to it's square of origin.
Best Regards
Blunderov
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rhinoceros
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My point is ...
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Re:Optical Illusion
« Reply #11 on: 2003-09-20 14:42:31 » |
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[Blunderov]
The Rhinocerous is, as always, correct. The squares are different colours by definition. A knight will always land on a square of opposite colour to it's square of origin.
[rhinoceros]
Hmm... maybe not always. I have noticed that sometimes he changes his mind along the way. But of course, he never takes back his moves 
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Pedro
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Re:Optical Illusion
« Reply #12 on: 2003-09-20 19:10:04 » |
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That's an awesome Illusion! Thanks for sharing that!
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