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Arklove;3624801 said:
You watch your BAD concert on this TV set:
And I'll watch it on this tv:
OT, but interesting:
[h=2]3D Holographic TV’s Very Possible And Will Happen By 2020[/h]Display technology is a very fast-growing area in the global economy, and Sony has been a huge player in it for a while. In the last twenty years we have seen amazing improvements with such technology. In the last few years however the predominant focus in television technology has been the outro of Plasma and the rise of LCD. A new challenger is being ushered in by Sony, which is OLED, but what are we expecting a decade or so from now? It’s Holographic TV’s, and major barriers that restricted the technology from becoming a consumer electronics item have been broken.
There are people working on the technology as I write this, and its maturing rapidly with each passing year. The Japanese Government is pushing huge financial and technical weight into the development of three-dimensional, virtual-reality television, and the country’s Communications Ministry is aiming at having such technology available by 2020. Sony would obviously be involved with this in some capacity as they have always been at the forefront of display technology. However, it is being reported that there aren’t any real big sponsors from the consumer electronics industry in this technology..yet.
CNN writes, “Dr Nasser Peyghambarian, chair of photonics and lasers at the university’s Optical Sciences department, told CNN that scientists have broken a barrier by making the first updatable three-dimensional displays with memory.
“This is a prerequisite for any type of moving holographic technology. The way it works presently is not suitable for 3-D images,” he said.
The researchers produced displays that can be erased and rewritten in a matter of minutes. To create television sets the images would need to be changing multiple times each second — but Peyghambarian is very optimistic this can happen. He said the University of Arizona team, which is now ten-strong, has been working on advancing hologram technology since 1990 — so this is a major step forward. He believes that much of the difficulty in creating a holographic set has now been overcome.”
Examples of how this technology would work is a display of a football game on a table, or movie characters able to appear and disappear between walls. The potential is unlimited, and could essentially turn households into a movie set. Imagine a war scene inserted into your living room from an wall-based 3D Holographic Projector, where your couch could be the bunker that movie characters use to hide from suppresive gunfire and grenades. There are also several applications beyond the home the technology could be used at, such as military and medical displays for optimal efficiency and accuracy.
I would hope that if the technology does become mainstream one day that they have a set up system for the room the holographic television is being installed in. If objects and items in your home could be mapped out and integrated into the action somehow. The world would have to update their broadcast and film equipment as well for this technology, since conventional camera work probably could suffice to be a true source for holographic 3D. So, while the thought process behind this is attractive, there are still many barriers and upgrades needed to make it work.
Image courtesy of PopSci.
Also:
[h=1]The Art and Science of Streaming Action Transmission Holography[/h]77
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By syzygyastro
[h=2]Streaming 3D holographic video can be done in a few ways[/h]
Digital is one way to go to create a full color streaming holographic video. Over the last year or two, 3D TV has been entering the market.Source: http://www.gearfuse.com/3d-holographic-video-comin...
Real projection holography can be made integral with a group of real people. The possibilities are limited only by the imagination.
In this instance, the illusion is created with two convex mirrors face to face. The real object is placed inside and a still, full color transmission hologram appears as if sitting on top.Source: http://www.brosscar.com/gadgets-2/3d-holograms-of-...
Security holograms that are incorporated in a vast array of commodities make them hard to counterfeit.Source: http://hologramtrademark.com/
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[h=2]There is more than one way to make holograms[/h]Holograms have been around almost since the time of the invention of the Laser. In fact, holography in its original form was invented in 1947 by a Hungarian physicist Dennis Gabor. The first practical holographic photo was taken using a laser in 1962. As with photography, holograms started in a monochrome format; that is; one color. That color was a very specific kind being of one wavelength and coherent, which means that But the similarity with photography departs from a two dimensional presentation to a three dimensional presentation. Out of several methods to construct a hologram, there are two basic kinds of holograms. In one case, one can view the three dimensional image in ordinary light as one looks at the film surface. In the transmission variety, a laser is shone through the film and the image is projected outside of the film in a three dimensional image. In the really good transmission holograms, something to project the image into is required like a light mist or smoke. Today' transmission holograms can also be done in full color and in live motion, hence the term “streaming action transmission hologram.
In all cases with laser holography, holograms are constructed with the use of coherent light, usually from a laser. This is split into two beams by a lightly silvered glass reflector that allows some laser light to pass through, while some is reflected. One beam is allowed to bounce off a target image that is being photographed. The other is used as a “reference beam” and does nothing more than to interact with the image bounced light on a film surface. Together, the light beams create an interference pattern that is what gives us the illusion of peering through the film to the three dimensional image behind it. Holograms have evolved to a huge number of types and applications. These range from security applications on script money, credit cards and photo identification to three dimensional live streaming transmission hologram that creates the illusion of actual events taking place, but have no substance in the material.
The idea of the three dimensional live streaming transmission hologram is based on existing technology incorporating film, mirrors, lasers and projectors. Nor are lasers the only way to create live streaming holographic full color transmissions, but for the most part, lasers are involved, but this is changing rapidly. Holograms today can be done digitally without lasers at all. There is an increasing trend to use digital photography in the construction of holograms that are manipulated by software. These have real potential of evolving to full color live streaming holographic images, or said in another way, three dimensional film, such as is becoming the rage with 3D TV. Today's live streaming transmission holograms often rely on the use of polarized glasses and are thus only a mimic of the real thing where no polarized glasses are required.
During the World Exposition of 1986, a live streaming projected holographic transmission was displayed in front of astonished audiences in the Aboriginal Pavilion. The images were of First Nation themes, but the three dimensional, full color, animated images of Salish First Nations iconography and myth was fascinating to say the least. Smoke was used as the “screen” upon which the live streaming images were projected. This was First Nation art taken to the next level. This was then and now the art has been perfected to a high level and can be accomplished with or without lasers and projected on “screen” media such as clouds or a fog bank. A fine diffuse mist will also serve and the images can beprojected around a crowd of people where some are real people and others are images of whatever the artist imagines or desires.
Another way to transmit full color three dimensional live streaming images is via a network of crystal spheres linked by fiber optics. With these, there is no deterioration of image from source to viewing location. However, materials being what they are, a long distance transmission will require booster technology along the way. The one disadvantage of this kind of transmission is size limitation. This is not a problem with digital or laser based versions of holographic movies. For the most part, this technology is being used for entertainment and security purposes. However, there is a sinister application as well, in the theater of war and psychological operations to deceive and confuse combatants.
[h=2]How to of holography[/h]<embed class="videoYouTubeBig" type="application/x-shockwave-flash" src="http://www.youtube.com/v/kE26aph4EKo" scale="exactFit" wmode="transparent" style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; width: 520px; height: 428px; ">
[h=2]Consider this amazing holographic live streaming laser light show that has the crowd in loud excitement[/h]<embed class="videoYouTubeBig" type="application/x-shockwave-flash" src="http://www.youtube.com/v/s3fjjCq7S3Q" scale="exactFit" wmode="transparent" style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; width: 520px; height: 428px; ">
In all cases with laser holography, holograms are constructed with the use of coherent light, usually from a laser. This is split into two beams by a lightly silvered glass reflector that allows some laser light to pass through, while some is reflected. One beam is allowed to bounce off a target image that is being photographed. The other is used as a “reference beam” and does nothing more than to interact with the image bounced light on a film surface. Together, the light beams create an interference pattern that is what gives us the illusion of peering through the film to the three dimensional image behind it. Holograms have evolved to a huge number of types and applications. These range from security applications on script money, credit cards and photo identification to three dimensional live streaming transmission hologram that creates the illusion of actual events taking place, but have no substance in the material.
The idea of the three dimensional live streaming transmission hologram is based on existing technology incorporating film, mirrors, lasers and projectors. Nor are lasers the only way to create live streaming holographic full color transmissions, but for the most part, lasers are involved, but this is changing rapidly. Holograms today can be done digitally without lasers at all. There is an increasing trend to use digital photography in the construction of holograms that are manipulated by software. These have real potential of evolving to full color live streaming holographic images, or said in another way, three dimensional film, such as is becoming the rage with 3D TV. Today's live streaming transmission holograms often rely on the use of polarized glasses and are thus only a mimic of the real thing where no polarized glasses are required.
During the World Exposition of 1986, a live streaming projected holographic transmission was displayed in front of astonished audiences in the Aboriginal Pavilion. The images were of First Nation themes, but the three dimensional, full color, animated images of Salish First Nations iconography and myth was fascinating to say the least. Smoke was used as the “screen” upon which the live streaming images were projected. This was First Nation art taken to the next level. This was then and now the art has been perfected to a high level and can be accomplished with or without lasers and projected on “screen” media such as clouds or a fog bank. A fine diffuse mist will also serve and the images can beprojected around a crowd of people where some are real people and others are images of whatever the artist imagines or desires.
Another way to transmit full color three dimensional live streaming images is via a network of crystal spheres linked by fiber optics. With these, there is no deterioration of image from source to viewing location. However, materials being what they are, a long distance transmission will require booster technology along the way. The one disadvantage of this kind of transmission is size limitation. This is not a problem with digital or laser based versions of holographic movies. For the most part, this technology is being used for entertainment and security purposes. However, there is a sinister application as well, in the theater of war and psychological operations to deceive and confuse combatants.
[h=2]How to of holography[/h]<embed class="videoYouTubeBig" type="application/x-shockwave-flash" src="http://www.youtube.com/v/kE26aph4EKo" scale="exactFit" wmode="transparent" style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; width: 520px; height: 428px; ">
[h=2]Consider this amazing holographic live streaming laser light show that has the crowd in loud excitement[/h]<embed class="videoYouTubeBig" type="application/x-shockwave-flash" src="http://www.youtube.com/v/s3fjjCq7S3Q" scale="exactFit" wmode="transparent" style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; width: 520px; height: 428px; ">
