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What is 3D technology?

  1. #1
    Platinum Member Preeti_20's Avatar
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    Default What is 3D technology?

    3-D technology refers to three dimensional technology that is used in films and motion pictures that provides some kind of illusion of depth perception and viewers enjoy some different kind of experience to this technology! The latest release of such a technology has been in the picture called ‘Avatar.’ The movie was shot with special motion camera to record the images. The technology is derived from stereoscopic photography /technology. Special projection hardware and eyewear are required to enjoy 3-D technology of the movies.

    The 3-D films have been there since 1950s but they have found prominence during the end decade of the last century and first years of 21st century. But 3-D technology has now experienced a world-wide resurgence and is coinciding with the computer generated imagery and introduction of high definition video standards. Today the technology has also found space in Televisions. Now it seems that soon we are going to wear the specs or eyewear to enjoy television programs with the 3-D technology already input in the TVs. RealD Cinema is the world’s most patent and highly used technology for showing 3D movies in theatres and they are very cheap to install.

    But the TV industry is trying to portray the fact that one won’t need the typical specs for watching the 3-D TVs. They are trying to revive the technology and make the 3D watching specs free affair though it has not been possible yet. Brands like Sony, Panasonic, Philips are promising excellent 3-D technology input in TVs. It is going to create a kind of 3D revolution where you would be able to experience the depth without the eyewear.

    Normally to watch 3D movies we need circular polarized or active LCD shutter glasses. These are glasses that are used in theatres by public to enjoy the 3D images or pictures. The present day glasses or spectacles use circular polarized or active LCD shutter that ensure that each eye has different image and have different feelings that altogether create the impact on the brain.

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    Guardian Angel just4kix's Avatar
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    I hate the current fad - every movie is being made in 3D. It is a painful experience - at least to a person who wears glasses like me.

    I will wait for the day when I can watch real 3D without glasses. Alas, this seems to be a far off utopian dream today.
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    Junior Member sanjdar's Avatar
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    I saw 3D television at Coimbatore airport, you can get 3D experience without any glasses.

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    Guardian Angel just4kix's Avatar
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    Quote Originally Posted by sanjdar View Post
    I saw 3D television at Coimbatore airport, you can get 3D experience without any glasses.
    Which TV was that? And what was it showing? I am genuinely interested.
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    Junior Member sanjdar's Avatar
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    Around 2 years ago I went to coimbatore, that time i saw the 3d tv, i can't remember now the make of the tv, but some advertising were running on it. It was 3d but clarity wasn't that much good as is now. there were lines on the picture, like lenticular. Technology is changing every day, may be we can get better quality version of it today.

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    Guardian Angel just4kix's Avatar
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    I asked because I haven't seen a 3D TV which does not require glasses.

    The Nintendo 3DS has 3D tech that does not require glasses but there are several limitations:
    a) the size of LCD is very small and that kind of 3D LCD panel is very expensive
    b) the 3D effect is restricted to depth, i.e., the 3rd dimension shows depth inside the panel but not outside it - objects don't come protruding outside the panel
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    Probably the easiest way to make 3D images is to separate the right and left image using colors. The image has two color "layers", and you separate the layers using glasses that has blue/red lenses (or cellophane paper, in the cheapest glasses). This is called Anaglyph 3D, it's cheap and easy to do as you don't need a new TV and the glasses are very cheap. The problem is that you lose colors in the image. It simply looks bad.

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    I like 3D technology. Too bad it is still in its developing stage. So I have to wear these crazy glasses so that I can reduce the effects from it.
    I hope they make it less harmful.

  9. #9
    Silver Member Cashewfruit_wine's Avatar
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    Quote Originally Posted by just4kix View Post
    I hate the current fad - every movie is being made in 3D. It is a painful experience - at least to a person who wears glasses like me.

    I will wait for the day when I can watch real 3D without glasses. Alas, this seems to be a far off utopian dream today.
    There are now 3d television sets and Computer monitors that works well without the need of glasses. Its on the cinemas that uses them. You know what is more annoying than 3d? 360 videos! They were annoying to view without an occulust rift.

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    If you went to the movies during the weekend you may have noticed that some films billboard exposed in two versions: one in usual format and another in 3D. If you guessed the first, you'll be in doubt until the next time you go to the movies, but if you took a risk and chose the second, you've probably realized the benefits of this graphics technology. But that's nothing. It is almost impossible to imagine the immense benefits it can bring to the commercial, medical, industrial and quality of life of those sectors. 3D technology, far from being a fad, came to enrich in every way the user experience.

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    Quote Originally Posted by Cashewfruit_wine View Post
    There are now 3d television sets and Computer monitors that works well without the need of glasses. Its on the cinemas that uses them. You know what is more annoying than 3d? 360 videos! They were annoying to view without an occulust rift.
    360 videos?!

    What is that? I've never heard of that technology... If it's what I'm thinking that is really awesome. You really watch the movie like you were inside of it? xD

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    Conventional television, dela most people have in their homes, can only display two-dimensional images, which are used to seeing. However, 3D images get a sense of depth closer to real life.

    The three-dimensionality is due to the slight distance between the eyes, so that capture images from different angles. The combination of individual images seen by each eye gets a sense of depth and dimension in mind. It is what is known as parallax and is the basis on which technologies have been developed in 3D. When images are shot in three dimensions two separated by a fixed distance objectives they are used. To contain twice the information that the two-dimensional images, 3D images to be edited retaining information from both angles. When the content being reproduced, each eye must perceive the specific content for it, so that when combined in the mind the sense of depth is created

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