3D visualization

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3D visualization

A variety of technologies that make images and movies appear more lifelike in print, on the computer, in the cinema or on TV. Known as "stereoscopic imaging" and "3D stereo," people sense a greater depth than they do with 2D and feel they could reach out and touch the objects. However, the effects are not just for entertainment; the more realistic a 3D training session, the greater the test of a person's reactions. For details of the rendering methods, see anaglyph 3D, polarized 3D, active 3D, lenticular 3D and parallax 3D. For a summary of content, see 3D rendering.

A Sense of Real Depth
In a 3D movie, you feel as though you could walk right into the environment.


Creating the Illusion of Depth
The creation of 3D prints, images and movies is accomplished by capturing the scene at two different angles corresponding to the distance between a person's left and right eyes (roughly 64mm). When the left image is directed to the left eye and the right image to the right eye, the brain perceives the illusion of greater depth. The stereo (left and right) frames are separated by colors, by polarization or by rapidly alternating the left and right images. A corresponding pair of 3D eyeglasses directs the images to the appropriate eye (see 3D glasses).

Virtual Reality
Virtual reality is a type of 3D visualization that is used in space flight simulators as well as games and entertainment. Wearing goggles, the 3D illusion comes from being immersed in a 360-degree environment. The experience is augmented by interacting with physical wheels, buttons, dials and pedals. See virtual reality.

3D Stills
3D still pictures date back to the 16th century when "binocular" images were viewed cross-eyed. In the 1800s, stereoscopic viewers were developed (see stereoscope). Today, 3D stills are created with a 3D camera or a 3D lens on a regular camera.

3D Cinema
The first feature film in 3D dates back to 1922 when "The Power of Love" debuted in Los Angeles. Using the anaglyph color method, the audience wore paper glasses with red and green lenses. Today, movie projectors polarize the left image onto the screen differently from the right image, and the audience wears lightweight, polarized glasses that filter each image to the correct eye (see polarized 3D).

3D on Computers and TVs
In the late 2000s, 3D rear-projection TVs were introduced that rapidly displayed alternating left and right stereo images, requiring the viewer to wear liquid crystal shutter glasses synchronized with the TV. Eagerly welcomed by gaming enthusiasts, shutter glasses were part of NVIDIA's 3D graphics technology (see 3D Vision), and they were eventually employed in all types of 3D TVs, including front projection, plasma, LCD/LED and OLED (see active 3D).

In 2011, polarized 3D TVs emerged. Instead of "active" shutter glasses, viewers wear "passive" glasses with polarized lenses like the ones used in movie theaters (see polarized 3D).

3D Without Glasses
"Autostereoscopic" 3D eliminates the eyeglasses and dates back to the 20th century when printed images first gave the illusion of depth and slight animation (see lenticular printing). Still widely used in printing, autostereo methods evolved to display screens for cellphones and portable video games (see lenticular 3D and parallax 3D). 3D without glasses is the Holy Grail of the gaming and TV industry, and improvements are made every year. In 2013, the Stream TV Networks system was introduced, which promises to be a breakthrough glasses-free 3D technology (see Ultra-D).
References in periodicals archive ?
Warner Home Video will once again offer THE POLAR EXPRESS in standard-definition, Blu-ray and 3D DVD versions this holiday season.
The bonus material includes a high-definition 3D DVD with 26 surgical videos with 3D glasses, and access to a website with material narrated by Dr.
Qosmio X500 The Qosmio X500 not only comes with the 2nd generation of Intel's Core processors but also now offers 2D to 3D conversion and support of HDMI to stream 3D movies (upconverted, from a 3D DVD or 3D Blu-ray Disc) to a 3D capable TV.
This 3D DVD includes four free pairs of 3D glasses so kids and their pals can enjoy Garfield's fun-filled tale together.
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Why should buy it: If all you want to watch are shows on Pogo or Disney -- these two channels have certain content that is adaptable to 3D format -- or want to bring home a 3D DVD every day, then you should buy this TV right away.
Under the deal, Panasonic will create a 3D DVD compilation of famous scenes from popular movies, and Best Buy will set up special exhibition corners where its customers can view these videos in its 300 stores in major U.
In addition to being able to support 3D software applications, the Actius AL3D comes equipped with an advanced optical drive, making the notebook capable of viewing 3D DVD content.
Pretty soon, science fiction will become science fact and computer stores will be racked with personal sensurround reality 3D DVD players that fit on your head and allow an individual to fight at Agincourt, survive going over the Niagara Falls in a barrel and spend a passionate night with anybody they fancy.
Add video in the most common 3D media formats and create 3D DVD, Blu-ray and AVCHD discs in side-by-side format to play on your 3D TV.
Gonzalez's grand-prize of a 50-inch 3D HD TV and Blu-Ray player, 3D glasses, a 3D DVD, and an HD Camcorder (or cash equivalent of $2800), other winners received prizes such as HD video cameras and a year's supply of ice cream.
Awards for the grand-prize winner include a 50-inch 3D HD TV and Blu-Ray player, 3D glasses, a 3D DVD, and an HD Camcorder including installation and set-up (or cash equivalent of $2800).