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| Volumetric Imaging Technology | |
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| Tweet Topic Started: Apr 12 2009, 06:43 PM (2,187 Views) | |
| shure | Apr 12 2009, 06:43 PM Post #1 |
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{some good links thanks to alibongo} 3D Projection Without the Glasses Leander Kahney 11.17.00 http://www.wired.com/science/discoveries/news/2000/11/40264 LAS VEGAS -- Perhaps the most exciting technology at Comdex this year was a 3D display that projected volumetric images into thin air, prompting show goers to gasp, burst out laughing and run around the booth in excitement. At the back of one of the exhibit halls, Dimensional Media set up a booth full of 3D displays that projected images -- of objects such as cell phones or soda cans -- into space in front of the viewer. The effect was not unlike the famous special effect in Star Wars where R2D2 projects a holographic display. But unlike R2D2's grainy video, the images at Comdex were often as vivid and concrete as real objects. And unlike most other 3D displays, Dimensional Media's does not require special glasses or any kind of headgear. "It's magic," said Anna Zharkova, an event manager from Russia, who was running around the booth like a headless chicken. "I cannot believe it. It's just magic." Her colleague, Natasya Savina, said: "I think it is incredible. I never thought at this exhibition to see something so wondrous. Everything is quite common. But this is so new, so amazing. Next year, I would like to use it for myself so that my image can be at the booth, and I can be somewhere else." Dimensional Media, which is based in New York, originally developed the technology for the military with funding from Defense Advanced Research Projects Agency (DARPA). The military wanted a true, volumetric 3D display that didn't require special glasses or complex electronics. The simplest version of the technology is based on a system of mirrors and lenses. The object whose image is being projected sits inside a pedestal, which projects the object's light into space above the pedestal, where the image is reformed. The effect is as if the object itself is hovering above the pedestal's surface. The company also demonstrated video versions of the technology, which projected video images in 3D. The Russians played with a 3D teller-machine whose buttons floated in space in front off the viewer. To activate the system's virtual "buttons," the viewer simply pointed a finger at the image of the button. The system uses a grid of infrared lights -- similar to systems in stores that beep when a shopper enters -- to calculate the position of the viewer's finger. Dimensional Media said its images are already starting to turn up in advertising displays at shopping malls and airports around the world, and they should become quite common this year as more and more are installed. "We are really starting to sell these systems," said CEO Daniel Pfeffer. Dimensional Media said the company will start testing the first volumetric 3D computer monitor early next year, which it hopes to sell to medical providers, the military and CAD/CAM companies. Pfeffer said for the first time, the display will give viewers full "look around" of a projected image. "I could project the image of your face and have full look-around, like you were really in front of me," he said. As an example of its use, Pfeffer said the monitor could project X-Ray or NMR data in 3D, creating a precise image of the inside of a patient's skull and the location of, say, a tumor. The display could then overlay another image onto the patient's actual skull, showing the surgeon the exact place to cut. "It's the most unbelievable technology," he said. |
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| shure | Apr 12 2009, 06:51 PM Post #2 |
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Dimensional Media Associates joins forces with Central Research Labs to advance 3-D imaging technology; U.S. ARPA grant to help fund joint projects. http://www.thefreelibrary.com/Dimensional+Media+Associates+joins+forces+with+Central+Research+Labs...-a016692163 NEW YORK--(BUSINESS WIRE)--March 23, 1995-- Dimensional Media Associates (DMA), a New YorkNew York research and development company, has announced a partnership with Central Research Laboratories Ltd. (CRL) to participate in joint projects in the field of volumetric display and suspended imaging systems. DMA and CRL, a London-based wholly owned subsidiary of THORN EMI, will jointly develop optically based 3-D technology for use in a variety of applications. The two companies expect to market the technology for medical diagnostic imaging, point-of-purchase information systems, large-scale theater attractions, consumer advertising, marine and air traffic navigation, coin-op video gaming and product displays. The partnership will enable both companies to integrate resources for continued research and development while retaining individual proprietary interests in technology currently under development. As part of the agreement, CRL will assist DMA in the fulfillment of a recently received United States Advanced Research Project Agency (ARPA) finance grant to advance the application of its high-definition volumetric imaging in the field of surgical simulation. "Our partnership is a perfect fit as we share a common vision for the dynamic field of volumetric display and suspended imaging systems," said Susan Kasen Summer, chairman, DMA. "Together, DMA and CRL will forge the way to develop real-time, high-resolution, full-color motion images which can be projected into free space without the need for head gear, glasses or strategic seating." Dr. John White, managing director of CRL, commented: "CRL is extremely pleased to enter into this joint collaboration which should enable both companies, by their complementary skills, to address a growing worldwide market for 3-D displays. The CRL and DMA systems are the only realistic practical solutions currently commercially available." Dr. Jonathan Prince, president of DMA, added: "It's an advantageous situation for both companies. CRL's work in Liquid Crystal Display and various medical imaging technologies will substantially accelerate our response to the ARPA contracts. We are looking forward to working with its impressive team of scientists." "This is an exciting partnership," explained Dr. John Holden, innovations manager at CRL. "Between us, DMA and CRL have the ability, vision and creativity to produce and deliver advanced suspended and high-definition volumetric imaging systems." In addition to CRL's Suspended Images System (SIS), much of the research and development will focus on DMA's High Definition Volumetric Display (HDVD), which is capable of displaying full-motion, 24-bit, high-resolution images that float in free space. HDVD technology projects an aerial image generated from a variety of light-emitting output devices, such as CRTs, LCDs or lasers. Real-time data acquisition from CCD, CPU or digital storage and retrieval can supply data for the system. The device then collects, reassembles and projects the aggregate light rays and focuses them into free space, duplicating the images in minute detail, causing them to appear as solid objects suspended in space. The images project in both stationary and full-motion formats and can be viewed in high-ambient light as well as in darkness or under controlled lighting conditions. Formed in 1993, DMA is a privately held company that designs, manufactures and distributes volumetric 3-D displays for commercial and scientific use. The company is the exclusive patent holder and developer of HDVD and maintains exclusivity to develop, produce and publish software and video material for its proprietary display technology. DMA's operating management team includes Summer, founder and chairman, and Prince, who originally earned his doctorate in dentistry. CRL is a British company with an established track record in research and development and technological innovation. Wide-ranging concepts, services and products embodying the latest in technology are developed for businesses worldwide. Operating from purpose-built and extensively equipped facilities near London's Heathrow Airport, CRL is commercially driven to offer a cost-effective service to meet modern business needs in a world where technology advances at an ever-increasing rate. CONTACT: Central Research Laboratories, United Kingdom Muriel Guilbert, Jenny Smith, 0181-848-6444/6661 0181-848-6600/6565 (fax) or The Bohle Company, United States Karin Olsen, Genevieve Haldeman, 310/785-0515 310/286-9551 (fax) |
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| shure | Apr 12 2009, 07:02 PM Post #3 |
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Thin-Air Display is Promising, but Thin on Details, Too http://www.temple.edu/ispr/examples/ex03_12_22.html From The New York Times (http://www.nytimes.com/2003/12/18/technology/circuits/18disp.html) Thin-Air Display Is Promising, but Thin on Details, Too December 18, 2003 By DAVID BERNSTEIN LAKE FOREST, Ill. Imagine a touch screen on which the elements of the image displayed can be moved around with a fingertip. Now imagine the same scene without the screen: the image can still be moved with a fingertip, but it floats unsupported above a quietly whirring gray box that is connected to a laptop computer. That describes what took place here when the prototype of a new device called the Heliodisplay was shown publicly for the first time. The Heliodisplay is an interactive technology that projects into the air above the machine still or moving images that can be manipulated with a fingertip. The images are two- dimensional, and they are not holograms. The Heliodisplay's inventor, Chad Dyner, says the technology could one day replace conventional cathode-ray tubes, liquid crystal displays and plasma screens. IO2 Technology, a company he founded, has completed a working prototype of the device, named after Helios, the Greek god of the sun. Mr. Dyner said he was seeking patents for the technology behind it and would not say much about how it works. A prototype shown to a reporter (and later to an audience attracted by a notice on IO2's Web site) looked like a bulky breadbox. It displayed images over a field measuring 15 inches diagonally, including streaming video scenes of brightly colored tropical fish and soaring jet planes. Other images, including illustrations of a strand of DNA and a human skeleton, could be moved from one part of the display to another using one's finger, while four colored circles expanded or contracted at a touch. Mr. Dyner, a 29-year-old graduate student at the Massachusetts Institute of Technology, did not attend the demonstration in Lake Forest on Dec. 5 and said he could reveal little about the device. "All I can say is that it's a very simple system, using conventional air," he said by telephone from Cambridge, Mass. "Essentially, the device converts the imaging properties of the air so that the air is taken in, converted instantaneously, and then re-ejected out. Then we're projecting onto that converted air." Pressed for more detail on the nature of the conversion, Mr. Dyner referred to it electronic and as thermodynamic. After air is drawn into the machine, he said, it "moves through a dozen metal plates and then comes out again." No moving parts are involved, he added. He said the device works by creating a cloud of microscopic particles that make the air "image-friendly." The machine, he asserted, uses no harmful gases or liquids, but he would not say whether it uses water. "The ambient air is bottom- projected and illuminated, generating the free-space image that floats in midair," he said. At the demonstration, there was no odor in the air, and the area onto which the images were projected seemed dry to the touch. Not everyone is convinced that the Heliodisplay will do justice to its mythical namesake. "Does it violate any principles of science? Absolutely not," said Selim Shahriar, a computer science professor at Northwestern University, after reading about the Heliodisplay at the IO2 Web site. "But extraordinary claims require extraordinary proof." Mr. Shahriar conceded that he had not seen a live demonstration of the device and thus could not offer a conclusive judgment. Mr. Dyner, an architect by training who spent a year working for Frank O. Gehry & Associates, has no formal education in electrical engineering or computer science. He is a first- year master's candidate in the M.I.T. Media Laboratory's Tangible Media Group, whose students pursue multimedia projects. Mr. Dyner said his work on the display technology and at the university were separate. Mr. Dyner built the first prototype, which had a five-inch diagonal display, in an apartment in Hermosa Beach, Calif. He founded IO2 in July 2002, and enlisted the help of two Chicago-area business consultants, Michael Morton and Bob Ely, in commercializing the technology. "I've always been intrigued by electronics and fascinated about how things work," said Mr. Dyner, who was born in Venezuela and lived there through high school. He recalled learning about consumer electronics at his grandfather's electronics shop in Caracas. "I've basically taken apart everything that I've ever owned, trying to learn how it works." The Heliodisplay is not the first device to project images into the air, but its interactive capability, which Mr. Dyner described as a "virtual touch screen," sets it apart from a similar machine made by a Finnish company, FogScreen. Viewers can use a finger or a hand-held object - rather than a keyboard or mouse - to manipulate images in the display. Mr. Dyner said the Heliodisplay uses an optical laser- tracking system to follow the user's movements. "It can be a surgical knife, a pen, a pencil, a hand, a finger," he said. At the demonstration in Lake Forest, Michael Fox, a Los Angeles architectural and design consultant who built the prototype on display, showed how the interface technology worked. Linked to an I.B.M. Think Pad, the Heliodisplay projected images of four colored circles onto a virtual screen in the air. Using his finger, Mr. Fox, 36, moved a floating cursor across the screen. When the cursor landed on a colored circle, it shrank. When he moved the cursor away, the circle returned to its original size. In another demonstration, Mr. Fox used his hand to move images of a skeleton and a strand of DNA around the screen. The cursor appeared to be quite sensitive to both light and touch. When there was too much light or when Mr. Fox moved his finger too forcefully, the cursor froze, and the image could not be manipulated until Mr. Fox tinkered with some knobs on the machine. Mr. Dyner envisions many uses for the Heliodisplay. He said it could be used for museum or trade-show displays or for advertisements, and would be ideal for collaborative work. "I envision this in a conference-room setting, in the center of a large table," he said. "Everybody can rotate it, move it around and update it in real time." Chuck McLaughlin, an independent consultant in Menlo Park, Calif., who specializes in display technologies, said the Heliodisplay sounded promising, but he questioned its commercial prospects. "It's so far out of the ordinary," Mr. McLaughlin said. "I don't see what the market for this is." He said very few new display technologies turn out to be feasible. "I've seen a lot of these things come and go over the years, and a few of them have practical applications, but most of them don't," he said. Mr. Ely, the consultant who is working for IO2 Technology, admitted that he was initially skeptical, too. He said he had heard about the Heliodisplay last year when a friend of Mr. Dyner's used the concept as the basis of an entry in an entrepreneurship competition sponsored by the University of Chicago. Mr. Ely was a contest jury member. "The plan talked about this projector that projected into the air," Mr. Ely recalled. "I said to myself, 'I don't know much about physics, but I know that's impossible.' " Then Mr. Dyner demonstrated the five-inch prototype. "It was a real showstopper," Mr. Ely recalled. "There wasn't a sound in the room." Mr. Dyner is confident that naysayers will be impressed when they see the Heliodisplay. After issuing a news release about it in August, the company received dozens of inquiries, Mr. Ely and Mr. Morton said. The device has been shown to would- be partners and investors who have signed nondisclosure agreements, and Mr. Dyner said the United States military had expressed interest. IO2 does not yet have a manufacturer for the Heliodisplay, but Mr. Dyner says he hopes production will begin in 2005. The company's Web site, www.io2technology.com, offers advance orders at a price of $22,500; but although several have been received, Mr. Ely said, none has been accepted. In addition to finding a manufacturer, IO2 Technology faces another difficulty: competition from FogScreen (www.fogscreen.com), whose similar device projects images onto a cloud of water vapor. FogScreen says it has been monitoring developments related to IO2. "They haven't published anything, so I cannot really tell anything," Ismo Rakkolainen, the company's research director, said by telephone from Finland. Mr. Rakkolainen said that FogScreen uses a laminar airflow process to project images onto a thin screen made of water and ultrasonic waves. Current FogScreen prototypes lack the interactive capabilities of the Heliodisplay, although Mr. Rakkolainen said the next generation of the device would behave like a touch screen. Mr. Dyner and his advisers acknowledge that the Heliodisplay technology is not yet ready for the marketplace. But they argue that the technology could one day revolutionize the way we look at air. As Mr. Ely put it: "People looked at the first flight of the Wright brothers and said: 'Only 120 feet? I can walk 120 feet. What do we need this thing for?' Add 10 years and it's a totally different world." |
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| shure | Apr 12 2009, 07:06 PM Post #4 |
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IO2 Technology http://www.io2technology.com/ The Heliodisplay includes patented and proprietary technology to create an almost invisible tri-layered out of phase field to generate the surface required to accept projection of video or images into free-space. The Heliodisplay requires a power outlet, and a video/image source such as a computer, TV, DVD or alternate media player--typically a low-end PC, DVD player or media player. The current version of the Heliodisplay projects 30" through 100" diagonal images in 4:3 and 16:9 aspect ratio. Heliodisplays also are high energy efficiency, so they consume very little power, and are controlled by a single on/off button. While you can easily set up the system on a desktop the results are best when all the hardware is concealed so that only floating images/videos are visible. All systems are backward compatible and accepts most 2D video sources (PC, TV, DVD, HDTV, Video game consoles). For connection to a computer, the Heliodisplay uses a standard monitor VGA connection; for TV or DVD viewing, it connects using a standard RGB video cable. The heliodisplay, smallest sized m30, is about the size of a large computer tower turned on its size, while the M100 is seven feet wide (the width of the image0 and only 16" diameter tube. All these models, are best suited when they are hidden away into furniture. Examples on the website demonstrate the heliodisplay enclosed within a coffee table or pedestal. A slot cut into the top is required, and is where the image is displayed. It is a good idea to leave openings in the rear of the table allow for power cords, video cables and ventilation. Heliodisplay images are easily viewed in an office environment. Like any computer monitor or TV, images appear brighter the lower the ambient light. Also, just like viewing any computer monitor or TV, viewing a Heliodisplay image in direct sunlight is almost impossible. The image is display into two-dimensional space (i.e. planar). Heliodisplay images appear 3D, even though in fact, the images are planar. This allows for easy display of visual presentation material with a three-dimensional appearance since there is no physical depth reference. Images appear more three-dimensional that 3D displays Images can be seen up to 75 degrees off aspect for a total viewing area of over 150 degrees- similar to an LCD screen. Viewing requires no special glasses or background/foreground screening. Of course, with any type of display, the darker the background and lighting, the higher the contrast of the images, like an display on the market. All of the models allow for grabbing a floating image in thin air, while the interactive models, the M30i/M50i allow a finger or hand to move images around in the air as if one were grabbing a virtual object. No special glove or pointing device is required. Just as you use a mouse to move the cursor on a traditional computer monitor, you can use your finger to move the cursor around the Heliodisplay image (see: Images & Videos). The Heliodisplay connects to a computer (at least: Pentium III 1GhzHZ;5MB free disk space;Win2000/XP/Vista) through a USB port. The software that runs on your computer runs in the background like a mouse driver on a PC. ------------------------------------------------------ some picture and video examples; http://www.io2technology.com/technology/images |
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| Matt | Apr 12 2009, 07:07 PM Post #5 |
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- Thin-Air Display is Promising, but Thin on Details, Too http://www.temple.edu/ispr/examples/ex03_12_22.html From The New York Times (http://www.nytimes.com/2003/12/18/technology/circuits/18disp.html) Thin-Air Display Is Promising, but Thin on Details, Too December 18, 2003 By DAVID BERNSTEIN |
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| Deleted User | Apr 14 2009, 05:14 PM Post #6 |
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www.physorg.com/pdf139140836.pdf Is this the best they can do? that teapot is pretty pathetic. |
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| Deleted User | May 2 2009, 09:28 AM Post #7 |
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A few more interesting links. ![]() http://felix.cixforce.de/hof/hof.php5# http://www.raven1.net/v2s-god.htm http://www.advancedphysics.org/forum/archive/index.php/t-47.html |
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| beatprophet | May 4 2009, 03:37 PM Post #8 |
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Future 6D holograms interact with light http://www.abc.net.au/science/articles/2008/09/09/2359903.htm |
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| James | Mar 5 2011, 10:53 PM Post #9 |
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i know this Volumetric imaging tech in 2002. When i hitching Shanghai subway Line 1 in People's square. I saw an advertisement by Simens for their new mobile phone. It's normal that you can see the phones in the show case, What magic is you can see the phones seems more clearer, more exquisite int the air. You can not resist to touch it. But when you stretch to get it , you found that nothing being their. It's a very deep, magic impression, and the image, today, so many years later, become even more clearer in mind. |
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