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Anaglyph 3D Video
Maybe you have just watch the Pirates of the Caribbean 4 in 3D on the movie theatre and can't help to know more about 3D movies. Then you heard someone talking about anaglyph 3D video. Well, do you know what is anaglyph 3D video and what the relationship with nomorl 3D video? Next we will give you a brief introduction of what is anaglyph 3D video and which features the anaglyph 3D video has.
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What is Anaglyph 3D Video?
Anaglyph 3D Video are used to provide a stereoscopic 3D effect, when viewed with glasses where the two lenses are different (usually chromatically opposite) colors, such as red and cyan. Images are made up of two color layers, superimposed, but offset with respect to each other to produce a depth effect. Usually the main subject is in the center, while the foreground and background are shifted laterally in opposite directions. The picture contains two differently filtered colored images, one for each eye. When viewed through the "color coded" "anaglyph glasses", they reveal an integrated stereoscopic image. The visual cortex of the brain fuses this into perception of a three dimensional scene or composition.
Anaglyph Red/Cyan 3D is the earliest method of presenting theatrical 3-D and requires less specialized hardware. In a Anaglyph Red/Cyan 3D video, the two images are superimposed in an additive light setting through two filters, one red and one cyan. Glasses with colored filters in each eye separate the appropriate images by canceling the filter color out and rendering the complementary color black.
Video games, theatrical films, and DVDs can be shown in the anaglyph 3D process. Practical images, for science or design, where depth perception is useful, include the presentation of full scale and microscopic stereographic images. Examples from NASA include Mars Rover imaging, and the solar investigation, called STEREO, which uses two orbital vehicles to obtain the 3D images of the sun. Other applications include geological illustrations by the United States Geological Survey, and various online museum objects. A recent application is for stereo imaging of the heart using 3D ultra-sound with plastic red/cyan glasses.
Anaglyph 3D videos are much easier to view than either parallel (diverging) or crossed-view pairs stereograms. However, these side-by-side types offer bright and accurate color rendering, not easily achieved with anaglyphs. Recently, cross-view prismatic glasses with adjustable masking have appeared, that offer a wider image on the new HD video and computer monitors.
So, to watch a Anaglyph Red/Cyan 3D video, all you need is a pair of archetypical 3-D glasses. You can play the video on a common computer with common media player software, or watch it on common TV. No special hardware or software needed.
Related: Maybe you are interested in Side-by-Side 3D Video.
