3d Tv Technology

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  • Topic: 3-D film, Television technology, 3D television
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  • Published : November 16, 2010
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3D TV Technology

Dr. Lakhwinder Kaur
Deptt. of CE, Univ. College of Engineering(UCoE), Punjabi University,Patiala mahal2k8@yahoo.com
Saruchi
M.Tech(CE) 1st Year , Roll No. 11091012, UCoE Deptt. Punjabi University ,Patiala saruchigarg@yahoo.co.in

Abstract

This paper describes the 3D technology and how it is becoming popular for use at home. How 3D TV technology works and its future impact.

Introduction

A 3D television (3D-TV) is a television set that employs techniques of 3D presentation, such as stereoscopic capture, multi-view capture, or 2D plus depth, and a 3D display—a special viewing device to project a television program into a realistic three-dimensional field. Three-dimensional TV is expected to be the next revolution in the TV history[6]. 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.

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[3].

How 3D TV technology works

3D television technology is becoming increasingly popular with each passing day. Due to the rise of popular 3D feature films,

major television manufacturers began developing three dimensional home television technology in 2009. [pic]
There are several methods that these manufacturers use to create 3D images on an LCD television; some are more expensive than others, and some are more feasible than others. This article will discuss the three primary methods of 3-D home theater technology that will be used in upcoming years[7]. Lenticular viewing: This technology has been pioneered by Philips, and is available as of today. TV sets that use this technology can be watched without those funny glasses that audiences used in theaters. These televisions use a lens that can send different images to each eye. That is, your left eye will see a completely different image from your right eye, which will emulate your two eyes' use of stereopsis.[5]The one weakness of lenticular viewing, however, is that a viewer must sit in a very specific spot in front of the TV. This means that only a couple people would be able to comfortably watch the TV at once due to its small viewing angle[2]. Passive glass systems: Hyundai is developing this type of LCD monitor which will allow both 2D and 3D images to be viewed. To watch the 3-D images, viewers will need to wear the traditional glasses in order to watch three dimensional media. This technology is nothing new: the TV has two overlapping images and the glasses have polarized lenses. Each lens is polarized so that it can see only one of the two overlapping images. This technology is very feasible and 40 to 50 inch LCD TVs with this technology are currently available for purchase. [pic]

[pic]
Active glass systems: This system is very similar to the passive glass system, except rather than the TV doing all work, the glasses do. The glasses synchronize with the refresh rate of the TV, then they alternate the polarization of each lens, making the wearers of the glasses see 3-D images. With this...
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