FAQ
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Frequently asked questions :
What is a 3D vision actually ?
Two Seeing Eyes = Two Views!Two Views Used and Fused in the Brain = Stereovision!
What does it take to see life in 3D...not to mention 3-D stereograms, stereoscopic photographs, or 3D TV or movies, such as Avatar 3-D? On this page, you will learn about an exciting part of normal human vision - stereovision (a.k.a., stereoscopic vision or stereopsis). For now, let's just keep things simple and call it stereovision.
Human Beings with Two Eyes that Work Together Have Stereovision
Human beings generally come equipped with two eyes and one head. If you have any doubts about your equipment or your ability to see 3D, check out Why Some People Have Trouble Seeing 3D before continuing.
Unlike horses, humans have two eyes located side-by-side in the front of their heads. Thanks to the close side-by-side positioning, each eye takes a view of the same area from a slightly different angle. The two eye views have plenty in common, but each eye picks up visual information the other doesn't. Have you ever compared the different views of your right and left eye? The Eye Hop Game lets you do just that.
Two Eyes = Three Dimensions (3D)!
Each eye captures its own view and the two separate images are sent on to the brain for processing. When the two images arrive simultaneously in the back of the brain, they are united into one picture. The mind combines the two images by matching up the similarities and adding in the small differences. The small differences between the two images add up to a big difference in the final picture! The combined image is more than the sum of its parts. It is a three-dimensional stereo picture.The word "stereo" comes from the Greek word "stereos" which means firm or solid. With stereo vision you see an object as solid in three spatial dimensions--width, height and depth--or x, y and z. It is the added perception of the depth dimension that makes stereo vision so rich and special.
Stereo Vision Has Many Advantages
Stereo vision--or stereoscopic vision --probably evolved as a means of survival. With stereo vision, we can see WHERE objects are in relation to our own bodies with much greater precision--especially when those objects are moving toward or away from us in the depth dimension. We can see a little bit around solid objects without moving our heads and we can even perceive and measure "empty" space with our eyes and brains.
How Do 3D Glasses Work?
3D Stereoscopic glasses are nothing new. In fact you had them when you were a kid and probably didn't even know it. Remember the ViewMaster™ that showed all the cool Disney characters in full 3d? The ViewMaster™ allowed you to look at two pictures of the same thing taken from a slightly different view point and tricked your brain into seeing one 3d image.In order to see things in 3D each eye must see a slightly different picture. This is done in the real world by your eyes being spaced apart so each eye has its own slightly different view. The brain then puts the two pictures together to form one 3D image that has depth to it.
Still want to know how do 3D glasses work? Keep reading!
Anaglyphic [ana·glyph·ic /"a-n&-'gli-fik/] adjective -- A stereoscopic motion or still picture in which the right component of a composite image usually red in color is superposed on the left component in a contrasting color to produce a three-dimensional effect when viewed through correspondingly colored filters in the form of spectacles.
The mode of 3D presentation you are most familiar with are the paper glasses with red and blue lenses. The technology behind 3D, or stereoscopic, movies is actually pretty simple. They simply recreate the way humans see normally.
Since your eyes are about two inches apart, they see the same picture from slightly different angles. Your brain then correlates these two images in order to gauge distance. This is called binocular vision - ViewMasters™ and binoculars mimic this process by presenting each eye with a slightly different image.
Now you're learning! Need to know more about how do 3D glasses work? Read on. The binocular vision system relies on the fact that our two eyes are spaced about 2 inches (5 centimeters) apart. Therefore, each eye sees the world from a slightly different perspective, and the binocular vision system in your brain uses the difference to calculate distance. Your brain has the ability to correlate the images it sees in its two eyes even though they are slightly different.
If you've ever used a ViewMaster™ or a stereoscopic viewer, you have seen your binocular vision system in action. In a View-Master, each eye is presented with an image. Two cameras photograph the same image from slightly different positions to create these images. Your eyes can correlate these images automatically because each eye sees only one of the images.
A 3D film viewed without glasses is a very strange sight and may appear to be out of focus, fuzzy or out of register. The same scene is projected simultaneously from two different angles in two different colors, red and cyan (or blue or green). Here's where those cool glasses come in -- the colored filters separate the two different images so each image only enters one eye. Your brain puts the two pictures back together and now you're dodging a flying meteor!
3D glasses make the movie or television show you're watching look like a 3-D scene that's happening right in front of you. With objects flying off the screen and careening in your direction, and creepy characters reaching out to grab you, wearing 3-D glasses makes you feel like you're a part of the action - not just someone sitting there watching a movie. Considering they have such high entertainment value, you'll be surprised at how amazingly simple 3-D glasses are.
The binocular vision system relies on the fact that our two eyes are spaced about 2 inches (5 centimeters) apart. Therefore, each eye sees the world from a slightly different perspective, and the binocular vision system in your brain uses the difference to calculate distance. Your brain has the ability to correlate the images it sees in its two eyes even though they are slightly different.
If you've ever used a View-Master or a stereoscopic viewer, you have seen your binocular vision system in action. In a View-Master, each eye is presented with an image. Two cameras photograph the same image from slightly different positions to create these images. Your eyes can correlate these images automatically because each eye sees only one of the images.
The reason why you wear 3-D glasses in a movie theater is to feed different images into your eyes just like a View-Master does. The screen actually displays two images, and the glasses cause one of the images to enter one eye and the other to enter the other eye. There are two common systems for doing this:
Although the red/green or red/blue system is now mainly used for television 3-D effects, and was used in many older 3-D movies. In this system, two images are displayed on the screen, one in red and the other in blue (or green). The filters on the glasses allow only one image to enter each eye, and your brain does the rest. You cannot really have a color movie when you are using color to provide the separation, so the image quality is not nearly as good as with the polarized system.
The red and blue lenses filter the two projected images
allowing only one image to enter each eye.
allowing only one image to enter each eye.
At Disney World, Universal Studios and other 3-D venues, the preferred method uses polarized lenses because they allow color viewing. Two synchronized projectors project two respective views onto the screen, each with a different polarization. The glasses allow only one of the images into each eye because they contain lenses with different polarization.
The polarized glasses allow only one of the images into
each eye because each lens has a different polarization.
each eye because each lens has a different polarization.
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Types of 3D glasses for Home?
Usually there are two types of 3D glass that we use for home.
1 > RED - CYAN
2 > GREEN - MAGENTA
So many other types of glasses are also available but these two are the most common & cheap 3D glass solution.Glasses can be Plastic or Paper according to the price you are paying for it.
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Which 3D glass to Choose?
You can't choose the type of the 3D glass to wear because it's only depends on the Movie you are going to watch. Now a days all 3D movie DVDs are either RED-CYAN or GREEN-MAGENTA.
Our recommendation to have both types of glasses at your home so that you can experience any 3D movies at your Home.
List of Movies to be seen with GREEN-MAGENTA 3d Glasses:
- Coraline
- My Bloody Valentine
- Journey to the center of the earth
List of Movies to be seen with RED-CYAN 3d Glasses:
- Shrek 3d
- Polar express
- Bugs
- Spy Kids 3D
- Shark Boy Lava Girl
- Fly me to the moon
- Barbie- The Magic of Pagaus
- Hannah Montana
- King Kong (2005)
- Batteries not Included
- House of wax
- Imax Transition
- Final Destination
RISER 3D