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Experiene the world of third dimension

by:Tuowei     2019-08-07
Movies like Avatar convince you to buy a 3D TV
Shutter and polarized glasses can confuse you.
Here is an air trying to clarify the issue.
This year, the consumer electronics industry is ecstatic about 3D technology.
In the eyes of players like Panasonic, Sony, LG, Toshiba and Samsung, the introduction of 3D is announced almost every sight --
Related products they make, includingand-
Take a camera, a camcorder, a laptop and a screen.
However, manufacturers such as Panasonic and Sony are betting on 3D active-
Shutter technology.
They believe this gives consumers a \"full HD\" experience.
Other players such as LG and Vizio think passive (not electronic)
The polarization of 3D technology will bring a better return.
They think it\'s active.
Shutter technology can cause nausea
It sits heavier on the eyes;
And much more expensive (
More than $100 if purchased separately).
At the same time, in order to increase the confusion, players like Toshiba are launching a 3D technology that completely eliminates the need for 3D glasses.
It is important to understand how 3D and 3D imaging work to make informed purchase decisions.
First of all, we humans see 3D because our eyes have what we call eye vision.
It gives us depth of field or 3D.
Our left and right eyes see the same object from a slightly moving perspective.
Our brains know how to piece together these images and make them meaningful.
This phenomenon is called parallax, which helps us to perceive the depth.
Astronomers use the parallax principle to measure the distance to celestial bodies, including the distance to the moon, the sun, and stars outside the solar system.
3D imaging, also known as stereo vision, is any technology that can reproduce 3D or 3D
The 3D visual information or the depth illusion is generated in the image.
There are a lot of technologies to do this.
For example, most of us are familiar with the filter glasses we wear while watching the first 3D movie, Jota Chetan in India.
This \"anaglyph\" technology was developed in Leipzig in 1853 by German William Rolman.
Each eye has a different color film and you will wear the color filter glass.
The quality of 3D images is general and can cause nausea.
But the glasses are cheap and can be used with any digital HDTV or LCD.
If you go to NASA\'s website, you can even make your own 3D glassesro om/glasses. shtml.
In commercial 3D projectors used in 3D cinemas around the world, polarized glasses are the technology of choice.
Companies like IMAX 3D and RealD use them.
Polarization helps to selectively screen the light line using unique materials called polarized films.
Two types of glasses are allowed to pass through (
When light is treated as a wave, by blocking an axis of light oscillation).
Therefore, each eye can perceive different images, resulting in a 3D effect.
Glasses are passive (not electronic)and thus cheap.
Manufacturers such as Sony, Panasonic and Nvidia are promoting active shutter display technology.
Alternately display left and right images in sequence on a regular LCD TV.
However, since the effective frame rate is halved, these displays need to double the refresh rate of the standard LCD display and TV (60 Hz).
The minimum frame rate for all 3D ready TVs is 120Hz.
Nvidia sells active shutter kits for 3D games.
Experts say the new model with a 240Hz refresh rate should help with smoother 3D video and less flickering, which is very important for high quality viewing of fast moving and moving scenes.
But glasses are expensive, need batteries, and have a good life.
At the same time, watching 3D video without glasses is a different natural experience.
This technology is called automatic stereo vision, which uses special optical elements between the TV screen and the audience to create a depth illusion.
Toshiba plans to sell the world\'s first large 3D TV that does not require viewers to wear special glasses (
One of the main reasons why 3D TV sales are not picking up).
Similar to the Philips lens prototype of IFA in last September, Toshiba\'s flagship lens 3D TV is 65-
Inch model by 56-
Incher and 20 inch.
Lens printing is a technique in which lens lenses are used to produce images of an illusion of depth, or the ability to change or move as images are viewed from different angles.
The company also announced the release of a 3D laptop prototype without the need for glasses.
Similar to Lens Technology, Sharp\'s parallax barrier supports 3D TVs without heavy glasses.
For players and consumers, however, which technology will eventually win the game is still a question of millions of dollars.
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