22-06-2012, 03:32 PM
3D TV TECHNOLOGY
3D TV TECHNOLOGY.ppt (Size: 2.1 MB / Downloads: 57)
INTRODUCTION
At first, films were silent, then sound was added;
Cinema and television were initially black-and-white, then colour TV was introduced.
Computer imaging and digital special effects have been the latest major novelty.
Nowadays markets are flooded with HDTV,LCD & Plasma TVs.
Three dimensional TV(3D TV) is expected to be next revolution in the TV history.
BASICS OF 3D TV
Binocular parallax-Binocular parallax refers 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).
Depth perception-It allows the beholder to accurately gauge the distance to an object. It is the visual ability to perceive the world in three dimensions.
Alternate-frame Sequencing:
The movie is filmed with two cameras. Then the images are placed into a single strip of film in alternating order.
The film is then run at 48 frames-per-second.
Each eye's glass contains a liquid crystal layer which has the property of becoming dark when voltage is applied, being otherwise transparent.
APPLICATION OF 3D TV TECHNOLOGY
In the field of medicine, education.
Commerce, Museum.
In Engineering field for Simulation and Visualization.
Entertainment and Gaming.
Military and Communication field.
Richer ,Lifelike and entertaining experience than 2D TV for home users.
CONCLUSION
Thus we have seen various technologies used for 3D imaging and viewing.
We also explained technology of 3D TV, discussed various aspects and features of 3D TV.
Another area of future research is precise colour reproduction of natural scenes on multiview displays.
In future we will be able to touch and smell the objects being projected from a screen to the viewers.