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SAMSUNG 3D LED TV Report Transcript
INTRODUCTION
Three-dimensional TV is expected to be the next revolution in the TV history. They implemented a 3D TV prototype system with real-time acquisition transmission, & 3D display of dynamic scenes. They developed a distributed scalable architecture to manage the high computation & bandwidth demands. 3D display shows high-resolution stereoscopic color images for multiple viewpoints without special glasses. This is first real time end-to-end 3D TV system with enough views & resolution to provide a truly immersive 3D experience.
1 What is a 3D TV?
Of course, in the most basic sense, a 3D TV is any television that is capable of delivering images and videos in three dimensions. These displays achieve this by using new technology so as to deliver different images to each eye of the viewer. When each eye sees the same scene, but at a slightly different angle (as we do in real life) then our brain puts these together and is able to interpret information in the third dimension.
While terms like LCD TV and Plasma TV refer to a very specific display technology, the term 3D TV does not refer to any specific type of 3D display technology. In fact, we will have Plasma, LCD and DLP 3D TVs released in 2010. This can be confusing in itself. Various manufacturers are betting on different 3D display technologies to deliver the best possible 3D experience. These involve active shutter glasses that are synced with the television display as well as passive 3D techniques involving a TV display that outputs polarized light. Some manufacturers are also working on glassless 3D TV displays although their performance at the moment leaves a lot to be desired. The hope is that over time they will be able to develop and improve the glassless 3D technology to the point that it will replace the current 3D technology that relies on passive or active glasses.
Why 3D TV
The evolution of visual media such as cinema and television is one of the major hallmarks of our modern civilization. In many ways, these visual media now define our modern life style. Many of us are curious: what is our life style going to be in a few years? What kind of films and television are we going to see? Although cinema and television both evolved over decades, there were stages, which, in fact, were once seen as revolutions:
1) at first, films were silent, then sound was added;
2) cinema and television were initially black-and-white, then color was introduced;
3) computer imaging and digital special effects have been the latest major novelty.
So the question is: what is the next revolution in cinema and television going to be?
If we look at these stages precisely, we can notice that all types of visual media have been evolving closer to the way we see things in real life. Sound, colors and computer graphics brought a good part of it, but in real life we constantly see objects around us at close range, we sense their location in space, we see them from different angles as we change position. This has not been possible in ordinary cinema. Movie images lack true dimensionality and limit our sense that what we are being seeing is real.
Nearly a century ago, in the 1920s, the great film director Sergei Eisenstein said that the future of cinematography was the 3d motion pictures. Many other cinema pioneers thought in the same way. Even the Lumière brothers experimented with three-dimensional (stereoscopic) images using two films painted in red and blue (or green) colors and projected simultaneously onto the screen. Viewers saw stereoscopic images through glasses, painted in the opposite colors. But the resulting image was black-and-white, like in the first feature stereoscopic film "Power of Love" (1922, USA, Dir. H. Fairhal).
Basics of 3D TV
Human gains three-dimensional information from variety of cues. Two of the most important ones are binocular parallax & motion parallax.
Binocular Parallax
It means for any point you fixate the images on the two eyes must be slightly different. But the two different image so allow us to perceive a stable visual world. Binocular parallax r defers to the ability of the eyes to see a solid object and a continuous surface behind that object even though the eyes see two different views.
Motion Parallax
It means information at the retina caused by relative movement of objects as the observer moves to the side (or his head moves sideways). Motion parallax varies depending on the distance of the observer from objects. The observer's movement also causes occlusion (covering of one object by another), and as movement changes so too does occlusion. This can give a powerful cue to the distance of objects from the observer. For example, you are sitting in the train & trees are going opposite side to you. Wheatstone was able to scientifically prove the link between parallax & depth perception using a stereoscope- the world's first three dimensional display device. So, there will be a question in your mind that what are this depth perception, stereoscopic images & stereoscope. Let's understand these words.
Depth perception
It is the visual ability to perceive the world in three dimensions. It is a trait common to many higher animals. Depth perception allows the beholder to accurately gauge the distance to an object.
The small distance between our eyes gives us stereoscopic depth perception. The brain combines the two slightly different images into one 3D image. It works most effectively for distances up to 18 feet. For objects at a greater distance, our brain uses relative size and motion to determine depth. The ability to distinguish objects in a visual field. Figure 1 shows the depth perception.
Three-dimensional TV is expected to be the next revolution in the TV history. They implemented a 3D TV prototype system with real-time acquisition transmission, & 3D display of dynamic scenes. They developed a distributed scalable architecture to manage the high computation & bandwidth demands. 3D display shows high-resolution stereoscopic color images for multiple viewpoints without special glasses. This is first real time end-to-end 3D TV system with enough views & resolution to provide a truly immersive 3D experience.
1 What is a 3D TV?
Of course, in the most basic sense, a 3D TV is any television that is capable of delivering images and videos in three dimensions. These displays achieve this by using new technology so as to deliver different images to each eye of the viewer. When each eye sees the same scene, but at a slightly different angle (as we do in real life) then our brain puts these together and is able to interpret information in the third dimension.
While terms like LCD TV and Plasma TV refer to a very specific display technology, the term 3D TV does not refer to any specific type of 3D display technology. In fact, we will have Plasma, LCD and DLP 3D TVs released in 2010. This can be confusing in itself. Various manufacturers are betting on different 3D display technologies to deliver the best possible 3D experience. These involve active shutter glasses that are synced with the television display as well as passive 3D techniques involving a TV display that outputs polarized light. Some manufacturers are also working on glassless 3D TV displays although their performance at the moment leaves a lot to be desired. The hope is that over time they will be able to develop and improve the glassless 3D technology to the point that it will replace the current 3D technology that relies on passive or active glasses.
Why 3D TV
The evolution of visual media such as cinema and television is one of the major hallmarks of our modern civilization. In many ways, these visual media now define our modern life style. Many of us are curious: what is our life style going to be in a few years? What kind of films and television are we going to see? Although cinema and television both evolved over decades, there were stages, which, in fact, were once seen as revolutions:
1) at first, films were silent, then sound was added;
2) cinema and television were initially black-and-white, then color was introduced;
3) computer imaging and digital special effects have been the latest major novelty.
So the question is: what is the next revolution in cinema and television going to be?
If we look at these stages precisely, we can notice that all types of visual media have been evolving closer to the way we see things in real life. Sound, colors and computer graphics brought a good part of it, but in real life we constantly see objects around us at close range, we sense their location in space, we see them from different angles as we change position. This has not been possible in ordinary cinema. Movie images lack true dimensionality and limit our sense that what we are being seeing is real.
Nearly a century ago, in the 1920s, the great film director Sergei Eisenstein said that the future of cinematography was the 3d motion pictures. Many other cinema pioneers thought in the same way. Even the Lumière brothers experimented with three-dimensional (stereoscopic) images using two films painted in red and blue (or green) colors and projected simultaneously onto the screen. Viewers saw stereoscopic images through glasses, painted in the opposite colors. But the resulting image was black-and-white, like in the first feature stereoscopic film "Power of Love" (1922, USA, Dir. H. Fairhal).
Basics of 3D TV
Human gains three-dimensional information from variety of cues. Two of the most important ones are binocular parallax & motion parallax.
Binocular Parallax
It means for any point you fixate the images on the two eyes must be slightly different. But the two different image so allow us to perceive a stable visual world. Binocular parallax r defers to the ability of the eyes to see a solid object and a continuous surface behind that object even though the eyes see two different views.
Motion Parallax
It means information at the retina caused by relative movement of objects as the observer moves to the side (or his head moves sideways). Motion parallax varies depending on the distance of the observer from objects. The observer's movement also causes occlusion (covering of one object by another), and as movement changes so too does occlusion. This can give a powerful cue to the distance of objects from the observer. For example, you are sitting in the train & trees are going opposite side to you. Wheatstone was able to scientifically prove the link between parallax & depth perception using a stereoscope- the world's first three dimensional display device. So, there will be a question in your mind that what are this depth perception, stereoscopic images & stereoscope. Let's understand these words.
Depth perception
It is the visual ability to perceive the world in three dimensions. It is a trait common to many higher animals. Depth perception allows the beholder to accurately gauge the distance to an object.
The small distance between our eyes gives us stereoscopic depth perception. The brain combines the two slightly different images into one 3D image. It works most effectively for distances up to 18 feet. For objects at a greater distance, our brain uses relative size and motion to determine depth. The ability to distinguish objects in a visual field. Figure 1 shows the depth perception.
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