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Full Version: CNN, those AREN'T holograms! Stop lying!
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Seriously, have you seen this nonsense? CNN's been going on and on since election day about their new "holographic interviews". The one problem? They aren't holograms! They've yet to figure out how to get two light beams to just sort of stop in midair like that. All they did was place a bluescreen image into the scene. They already do that. The only difference was that they were able to "synch" a huge number of the images to the in-studio images to give the illusion of the image "spinning" when the camera moved. Those interviewers are talking to empty space, not a hologram actually being projected in the studio.

Seriously though, they aren't making that distinction clear at all, going on and on about how it's a "television first" and how it's holograms "just like a holodeck or princess Leia". Though they don't distinctly claim it's an image directly projected in space in front of that guy, they might as well with all that fanfair. Sure anyone can claim they have holographic technology if they REDEFINE THE WORD! I have holographic technology in the form of my gameboy! Yay! Holographic technology for everyone! Sorry, but this is lying as far as I'm concerned. And, what's the point of their cheap trick? They could easily just show them on a screen behind them, no problem. Why bother? The only reason I can figure is so that they CAN lie and say it's a hologram.

http://www.cbc.ca/technology/story/2008/...ml?ref=rss
Picky much? :D

I saw it and thought its a tomogram (not sure on spelling), its used for film all the time when they want those models to look extra purdy. I dont know enough about it other than it's a pseudo half-ass way to make a hologram (as long as you can project it on to something, including a tube of glass or plastic, usually its greenscreened) but otherwise its just a buzz to generate viewers by trying something different.
well dur.

The CNN anchors were not really speaking to three-dimensional projected images, but rather empty space, Kreuzer said. The images were simply added to what viewers saw on their screens at home, in much the same way computer-generated special effects are added to movies.

Kreuzer said the images were tomograms, which are images that are captured from all sides, reconstructed by computers, then displayed on screen.

But this:

Kreuzer said technology is not far from being able to produce what CNN had tried to do, although capturing and projecting holograms of big objects like people is still a ways off.

Holographic images are generally captured and projected using coherent light such as lasers. A laser would need to be more than six feet in diameter to capture a person's image, which Kreuzer said is impossible because such a light would be blinding.

It may soon be possible to capture and project large objects using other sources of coherent light, such as light-emitting diodes. LEDs are considerably cheaper and safer than lasers, Kreuzer said.

"There will be some rapid development now because of the cheapness of these LEDs," he said. "You can use a thousand if you want."

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Virtual Boy 2. You cant un-think it!
lazyfatbum Wrote:Picky much? :D

Its DJ ,what else were you expecting?

I guess cable news can insult our intelligence just like regular tv does everyday.

The day holodecks come out, Sign me up! I'll practically live out my life in it.
I was wondering about that, after watching much of CNN's election night coverage... could the people on the set actually see the 'holograms', or was it just us? I suspected that it was just us... interesting to see that I was right. I agree, definitely not exactly a hologram. But that word is slightly better known than "tomogram" (a word I didn't know either), so it makes sense that they'd use it even if it's not completely accurate. And they did look kind of cool, even if they weren't actually there. :)
A Black Falcon Wrote:I was wondering about that, after watching much of CNN's election night coverage... could the people on the set actually see the 'holograms', or was it just us? I suspected that it was just us... interesting to see that I was right. I agree, definitely not exactly a hologram. But that word is slightly better known than "tomogram" (a word I didn't know either), so it makes sense that they'd use it even if it's not completely accurate. And they did look kind of cool, even if they weren't actually there. :)
do you think holography like in startrek could ever be possible?
Probably not since the ones in Star Trek could interact with solid matter. However, the ones in Star Wars are much more likely to come true within the next 20-30 years.
Actually, if i could find the clip it would be easier... but just take 5 projectors, each simulating a direction (you can do 6 for the floor, too) and have the simulation on each wall around you. The images are in 3-D (using glasses, LCD shutter to be exact) and then top it off with a physical movement sensor as seen in something more advanced than the Eyetoy to locate and measure your movements. The effect is a fully immersed 3-D virtual reality with augmented reality that allows you to manipulate the simulated images (like a pitcher of water) and move it from the 3-D table to the 3-D counter top using your own hands (that would effectively have a polygonal overlay of 'in-game' hands).

In advanced models, the floor is actually quite large while the 'room' you're in is much smaller, hanging over it and either on wheels or suspended. This way, you can physically walk or run in your simulation instead of walking in place to command the in-game character to move in that direction. The room simply moves with you while the larger floor moves underneath you.

Now, imagine a graphics engine that's on par with the best 360 graphics. It wont look real life, it wont be perfect, but from what i've read it's a fuckton of fun, naked anime chicks and dinosaurs, hilarity ensues.
lazyfatbum Wrote:Actually, if i could find the clip it would be easier... but just take 5 projectors, each simulating a direction (you can do 6 for the floor, too) and have the simulation on each wall around you. The images are in 3-D (using glasses, LCD shutter to be exact) and then top it off with a physical movement sensor as seen in something more advanced than the Eyetoy to locate and measure your movements. The effect is a fully immersed 3-D virtual reality with augmented reality that allows you to manipulate the simulated images (like a pitcher of water) and move it from the 3-D table to the 3-D counter top using your own hands (that would effectively have a polygonal overlay of 'in-game' hands).

In advanced models, the floor is actually quite large while the 'room' you're in is much smaller, hanging over it and either on wheels or suspended. This way, you can physically walk or run in your simulation instead of walking in place to command the in-game character to move in that direction. The room simply moves with you while the larger floor moves underneath you.

Now, imagine a graphics engine that's on par with the best 360 graphics. It wont look real life, it wont be perfect, but from what i've read it's a fuckton of fun, naked anime chicks and dinosaurs, hilarity ensues.

That would be sweet for practical jokes!