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3D TV
Stereoscopic TelevisionImagine immersing yourself in the world of 3D content like never before. Monsters, bullets, and landscapes jump out of your flat monitor and into your imagination, making you part of the Movie / Game. With Home 3D technology, home entertainment will never be the same. by definition Stereoscopic Display Systems provide a sense of depth due to different images reaching the left and right eye
Few organizations are working to establish the ground for home 3D:
SMPTE's 3-D Home Task Force
will produce a report on the issues, challenges and suggested minimum standards for a 3D content format that would serve tethered TV and PC screens in the home. The report will lay the foundation for a subsequent standards effort.The 3D@Home Consortium:
has been driven by a desire by many of the leading 3D organizations to ensure the best possible 3-dimensional viewing experience to the billions of consumers in today's home entertainment marketplace. Members of the consortium include companies participating in many different parts of the supply chain, including: 3D content developers, technology companies creating software to manipulated digital content, companies with hardware platforms upon which it is shown, standards bodies, and educational institutions.The Blu-Ray Disc Association:
Is developing its position on stereoscopic 3-D under growing pressure from Hollywood studios who want to create a home video market for their rising number of stereo 3-D movies.The Consumer Electronics Association:
Is trying to determine if it should try to set standards potentially covering, TVs, set-top box and disk players.3D Display solutions:
Active glasses-based 3D display:
DLP TV
In early 2007, Texas Instruments enabled 3-D video processing in its DLP TV product offerings to its customers. TV producers such as Samsung and Mitsubishi have since then introduced the first DLP 3-D Ready TVs. Texas Instruments has introduced the first 3-D-capable television solutions to its OEMs for 2007 consumer electronics televisions. These solutions utilize the inherent speed advantage of the Digital Micro-mirror Device (DMD) to generate the left and right views required for stereoscopic imaging. Combining this with high quality active glasses, similar to these used by XpanD in theatrical exhibiton, the user will be able to experience a high quality high definition 3-D image on their DLP television set.The foundation for DLP 3-D HDTV is found in the SmoothPicture algorithm. DLP 3-D Technology utilizes the SmoothPicture subframes to generate independent views for the left and right eyes. A signal is generated for each subframe and transmitted optically to the LCD shutter glasses that are worn by the viewer. The LCD shutter glasses will process the signal and will control the shutter for each eye to ensure that the correct left and right views are displayed to the correct eye.
There are many advantages inherent in using this approach to generating stereoscopic images:
1) One technical hurdle in achieving cost effective stereoscopic displays is that stereoscopic displays require two times the imaging bandwidth of the standard 2-D displays. For a 1080p television set, this means that two 1080p input streams are required. Current solutions to this hurdle are to either cut the horizontal resolution by 50% or cut the vertical resolution by 50%. Using these solutions allows for the transmission of two images using the currently available bandwidth but sacrifices either the horizontal or vertical resolution of the image. The solution created by Texas Instruments maintains both the vertical and the horizontal resolution. This solution thus produces the highest quality and highest resolution displays available for stereoscopic viewing.
2) Most TV display systems contain an On Screen Display (OSD) menu system. The OSD menu provides the user a feedback mechanism in situations where the user adjusts various parameters such as screen brightness and audio volume. It is desirable for this menu system to work when the system is in 3-D mode. The easiest way to achieve this is to display the menu at 0 depth (so it appears 2-D). With some of the other formats, this requires placing the menu into two separate video streams adding complexity to the TV electronics design. With the offset sampling scheme used by Texas Instruments, OSD menus can be added to the stereo image using the same method as is used for a standard 2-D image. As such, significant system redesign cost can be avoided.
3) By utilizing the SmoothPicture architecture, Texas Instruments is able to supply a 3-D-capable display with little additional electronic cost. The main cost to this solution is a modest cost in the eyewear. As such, consumers can purchase a 3-D Ready television for the same price as the traditional 2-D television. They can then choose to purchase the eyewear with the television or upgrade at a later time. DLP 3-D Image Format the DLP 3-D Image format makes use of how the DLP SmoothPicture algorithm displays an image onto the screen. The left and right images are sampled using the native offset diagonal sampling format of the DMD. The two views are then overlaid and appear as a left and right checkerboard pattern in a conventional orthogonal sampled image. This format preserves the horizontal and vertical resolution of the left and right views providing the viewer with the highest quality image possible with the available bandwidth.
3D PDP
Matsushita Electric( Panasonic) prototyped the "3D Full-HD Plasma Theater System, " which can provide three-dimensional viewing experience of HDTV video.The system is a combination of a 103-inch PDP TV, a Blu-ray Disc player and XpanD Active Glasses.The company set up a special studio to exhibit the prototype system at CEATEC JAPAN 2008. The company is reportedly planning to submit technical specifications for storing 3D images in Blu-ray Disc media to the Blu-ray Disc Association. The schedule for the commercialization has yet to be decided. The new system supplies 60 fields per second 1920 x 1080 interlace images for both right and left eyes. Panasonic stored the image data into a 50-Gbyte Blu-ray disc. The system employs the MPEG-4 AVC/H.264 image compression format.Samsung Electronics launched its 3D Ready PDP TV 'PAVV Cannes 450' in Korea market, which features 1, 000, 000:1 contrast ratio and 3D content support. Samsung boasts that it can support 1, 000, 000:1 mega-contrast ratio. Users can enjoy 3D games or movies with the Cannes 450, when they first connect the TV to high performance PC supporting 3D software and then wear 3D active glasses.
Passive glasses-based 3D display
Hyundai
Hyundai's 46-inch liquid-crystal display 3-D TV requires 3-D glasses. Hyundai is providing the product only in Japan, hoping to boost its image by gaining a niche audience in Japan, where the TV market is dominated by Sony and Sharp.iZ3D
iZ3D is based on polarized light to create images for left and right eye viewing. This is achieved on two precisely stacked TFT LCDs (Front + Back). Left eye and right eye images are addressed and controlled simultaneously. However, they are not assigned to separate panels, unlike the Pavonine LCD. the front TFT LCD controls the polarization angle of the transmitted light performing left and right eye image exlusion by dynamically changing the polarity of each pixel. The back TFT LCD displays the full color L+R video composite. This output mode is achieved by the iz3d software 3D Driver.X-Pol LCD
The Xpol Stereoscopic 3D is an optical device based on regularly arranged micro-polarizers. By bonding it to a flat-panel display, such an LCD display, the use can view flicker-free 3D stereoscopic content simply by wearing polarizer glasses. Additionally, Xpol is completely compatible with both projection and direct view displays.This is a new generation of stereoscopic screen, looking like a normal monitor, but incorporating Xpol micro-polarisers. When viewed through circular polarising glasses, each eye sees odd and even lines allowing horizontally interlaced stereoscopic 3D images to be viewed.Circular polarized material alternately polarizes horizontal rows of pixels on the display. The 3D image is created by placing the left eye image into odd numbered rows and the right eye image in even numbered rows. The lenses in the 3D glasses are also polarized with material ensuring only the left eye sees the left image and vice versa. The circular polarizers maintain 3D image integrity while accommodating a wider range of head movement by the end-user.Xpol, stereoscopic 3D is capable with only 1 project, thus making it a much more affordable and transportable solution. Second, Xpol can be applied to LCD direct view displays. And given the proliferation of LCD displays today, this means that with Xpol, stereoscopic 3D is possible with any LCD desktop or notebook display.
Pavonine
Pavonine Inc. 3D LCD monitor using retardation plate and polarized glasses, and it can be used as 2D or 3D. the monitor stereoscopic system is a spatial imaging system that creates dimension by allowing us to see separate images corresponding to the left eye and the right eye. This system uses the effect of binocular parallax, not the monocular cues of Light and shade, Perspective, Size, Brightness, Color, Contrast, Aerial perspective, and Motion parallax. Three-dimensional electro optic technology and imaging treatment technology of Pavonine Corp. allow users to experience realistic dimension as if they are actually in that space.Retardation plate is an electro optic panel that changes the polarized direction of light in a line unit. It simultaneously displays left eye images and right eye images by using the principle of passing odd line light as it is, but passing even line light after delaying its phase by 180 degrees. GL Series of Pavonine Corp., which uses retardation plate and polarized glasses, can be used as a 2D monitor. When wearing polarized glasses, it can be used as a 3D monitor.
Auto-stereoscopic Display:
Philips 3D
A line of 3-D televisions by Philips uses the familiar trick of sending slightly different images to the left and right eyes -- mimicking our stereoscopic view of the real world. But where old-fashioned 3-D movies rely on the special glasses to block images meant for the other eye, Philips' WOWvx technology places tiny lenses over each of the millions of red, green and blue sub pixels that make up an LCD or plasma screen. The lenses cause each sub pixel to project light at one of nine angles fanning out in front of the display. A processor in the TV generates nine slightly different views corresponding to the different angles. From almost any location, a viewer catches a different image in each eye. Providing so many views is key to the dramatic results.Sharp Electronics makes an LCD display that projects just two views, requiring an audience to sit perfectly still in front of the screen. With the Philips technology, viewers can move around without losing much of the effect -- one set of left/right views slips into another, with just a slight double-vision effect in the transitions. The TV can also display standard two-dimensional images, close to HD quality. The uncanny 3-D illusion stops people in their tracks, as it's meant to.
NewSight
NewSight is the pioneer in MultiView 3D glasses-free displays. No other 3D display company has eliminated moir, reduced transition zones and suppressed glare like NewSight has. In addition to our broad line of displays, we have created 3D software for content production and playback. We have also created custom displays sized from 2" to 180". NewSight combines breakthroughs from its media and technology operations creating a world of digital display solutions for 3D digital signage and visualization.S3D Video Data Storage Options
Left/Right: Left eye and right eye images (stereo images)Multiview: More than two images of a scene
2D+Depth: Single image with depth data
2D+Depth+Occlusion+Transparency
Left/Right+Depth: Left/Right data along with depth data
Left/Right+2Z:Left/Right + depth maps measured from two separate camera.
Stereo 3D Challenges:
Convergence/vergence:
The inward and outward rotation of the eyes, in the horizontal direction, producing fusion. Accommodation is the ability of the eyes' lenses to change shape in order to focus and Accommodation/Vergence Relationship is the relationship between the focusing of the eyes and verging of the eyes when looking at a particular object point in the visual world. When accommodation and vergence match, the time required to fuse stereoscopic stimulus is reduced, distortions in perceived depth are reduced, and viewer fatigue and discomfort are reduced. 3D displays target the Percival's Zone of Comfort, which is the approximate range of vergence and accommodation responses for which the viewer can fuse left and right eye images without discomfort.Breaking the Frame:
When objects in front of the screen plane (negative parallax) are intersect the edge of frame. This can lead to contradictory depth cues for the viewer. This problem may be reduced by applying a partially transparent mask on the left of the left image and on the right of the right image, reducing the strength of the cues on whichever side the object is breaking frame Parallax:
Parallax is the distance between corresponding points in two stereoscopic images as displayed. Positive parallax appears to be within a screen or behind the surface of a screen. Zero parallax appears to be in the plane of the screen. Negative parallax appears to be in front of a screen (also known as audience space). The range of distances in audience space from the background point producing maximum acceptable positive parallax to the foreground point producing maximum acceptable negative parallax is known as the depth budget, and may be given as a ratio of screen width.3D TV and Computer Games
Imagine immersing yourself in the world of 3D content like never before. Monsters, bullets, and landscapes jump out of your flat monitor and into your imagination, making you part of the game. With 3D Stereo technology, gaming will never be the same.Some manufacturers for the new 3D TV Screens is really aiming first at the computer market. This means smaller TV screens and lower cost for customers. And if you were able to chose a 2D TV screen or a 3D TV screen to play your favorite computer game on, wouldn't you select the one with 3D. In fact the 3 Dimension TV screens could have their breakthrough on the computer gaming scene rather than at the movies. This is due to a number of reasons mostly reasons including manufacturing costs. Not only is computer adapted 3D TV screens cheaper but it is also cheaper to start to produce games that take advantage of the 3D TV screens than it is to start producing such movies. The best advantage for 3D TV games is that they already are compatible with Open-GL and DirectX systems for displaying graphics on-screen. This means that if you want to play Counter Strike or any other computer game in 3 Dimensions all you have to do is to buy a 3D TV set and the game is coming at you in 3 dimensions! 3D TV Games could therefore quickly be introduced to the current computer game market. Except for the new TV screen and XpanD Glasses, no other stuff would be needed.
3D TV History
Belive it or not, but 3D TV is not as far-fetched that many may have had you to believe! Since the birth of the photographic and movie technology 3D images has also been developed. In fact 3D images in photographs and films were quite popular until the Second World War. The decline for 3D after the WWII lasted untill... NOW!
Samsung 50" Plasma TV Review
1 Feb 2011 at 3:59pm
Samsung PN64D8000 3D 64" Flat Screen Panel 1080p HDTV TV Plasma Television NEW
9 Feb 2012 at 9:41pm
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LCD LED Plasma Flat Screen Samsung TV Wall Mount HDTV Ultra Slim 32 - 55" LED-01
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3D Bundle - New Samsung 51" Series 6 Flat Panel Plasma HDTV - PN51D6500
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