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  #1  
Old 01-04-2005, 09:10 PM
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fait_svx fait_svx is offline
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Invisibility cloak

According to The Guardian, Japanese scientists have turned fantasy into reality by creating an invisibility cloak that makes it possible to see straight through its wearer. He, or she, simply vanishes from view.

The garment - demonstrated last week at Nextfest, an exhibition of emerging technologies in San Francisco - is the work of Japanese inventor Susumu Tachi, a professor of computer science and physics at the University of Tokyo. 'It's a kind of augmented reality,' he said of his device.

In reality, the 'optical camouflage' cloak is anything but invisible. It is made up of 'retro-reflective material' coated with tiny light-reflective beads that cover its entire length. The cloak is also fitted with cameras that project what is at the back of the wearer on to the front, and vice versa. The effect, as the Japanese team demonstrated last week, is to make the wearer blend with his background.

The material was used to coat a ball, a brick and a cloak. In each case, it appeared as if the viewer could see through each item as it was moved about by a human operator to the back of the room.

The effect was not total, but it was sufficient to demonstrate that optical camouflage is technically possible, though one expert - writing in Wired magazine recently - pointed out that, for an invisibility cloak to work, it would have to have six stereoscopic cameras built into it, be covered with 11.6 million 'hyperpixels', each consisting of a very bright electronic display, and be controlled by a super-fast computer that would run on a power source that could be built into the cloak.

This is the coolest thing I've seen!!
Heres a link to some videos of it in action Invisibility cloak
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Last edited by fait_svx; 01-04-2005 at 09:14 PM.
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  #2  
Old 01-04-2005, 09:31 PM
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Now that is cool!

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  #3  
Old 01-04-2005, 09:41 PM
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that is craziness!
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  #4  
Old 01-05-2005, 07:18 AM
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Re: Invisibility cloak

Quote:
Originally posted by fait_svx
The cloak is also fitted with cameras that project what is at the back of the wearer on to the front, and vice versa.
Ok, so if the material reflects in this manner then why do both the ball and the brick not show the guys face when he moves it in front of himself, but instead show's whats on the bookcase behind him.
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  #5  
Old 01-05-2005, 09:18 AM
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I seem to remember seeing this a couple of years ago. It's not 'optical camouflage' in the least. It's just a camera trick.
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  #6  
Old 01-05-2005, 09:39 AM
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Quote:
Originally posted by Mr. Pockets
I seem to remember seeing this a couple of years ago. It's not 'optical camouflage' in the least. It's just a camera trick.
Thanks for destroying my hopes of becoming the next Predator, jerkoff.
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Old 01-05-2005, 10:42 AM
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I call Bull!!!!


The scene with the brick and the ball, the guys face should be seen when he passes it in front of him. All you see is the sign behind the guy. I think they simply did a crappy green screen trick and they screwed it up.
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Old 01-05-2005, 10:51 AM
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Quote:
Originally posted by mikecg
I call Bull!!!!


The scene with the brick and the ball, the guys face should be seen when he passes it in front of him. All you see is the sign behind the guy. I think they simply did a crappy green screen trick and they screwed it up.
unpossible. the reason you couldn't see the guy's face was because it was unvisible.
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Old 01-05-2005, 11:03 AM
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Quote:
Originally posted by mikecg
I call Bull!!!!


The scene with the brick and the ball, the guys face should be seen when he passes it in front of him. All you see is the sign behind the guy. I think they simply did a crappy green screen trick and they screwed it up.
I would imagine that the camera aimed at the bookcase is sitting behind the man playing with the ball and brick. That way it makes sense that the man's face and hands dissappear when the brick or ball is in the way.

Its a nifty camera trick; might be good for theme parks and such but I can't imagine any other practical application.
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  #10  
Old 01-05-2005, 03:28 PM
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Quote:
Originally posted by Noir


Thanks for destroying my hopes of becoming the next Predator, jerkoff.
yeah, i'm sure you wouldn't "camoflage" yourself in a women's shower stall, Mr. Horsenator.
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  #11  
Old 01-05-2005, 04:09 PM
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Quote:
Originally posted by Kurt_W


I would imagine that the camera...
Paying attention is a lost art.

No imagining necessary - the page has a diagram showing how the videos were made. No blue screen required and, in most of them, no camera to capture the background imagereal-time required either.
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Last edited by Mr. Pockets; 01-05-2005 at 04:13 PM.
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  #12  
Old 01-05-2005, 04:11 PM
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Quote:
Originally posted by Landshark


yeah, i'm sure you wouldn't "camoflage" yourself in a women's shower stall, Mr. Horsenator.
I maybe a horsenator, but you my friend are an



+



Last edited by Noir; 01-05-2005 at 04:16 PM.
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  #13  
Old 01-05-2005, 06:51 PM
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I can see this as a practical application, Hiding stationary objects. Given enough funds, one could make an entire building appear to disappear.
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  #14  
Old 01-05-2005, 06:53 PM
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Quote:
Originally posted by Noir


I maybe a horsenator, but you my friend are an



+


i'm a donkey cave?
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  #15  
Old 01-05-2005, 09:40 PM
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Quote:
Originally posted by THAWA
I can see this as a practical application, Hiding stationary objects. Given enough funds, one could make an entire building appear to disappear.
Sure, but only for one person standing very, very still.
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