Scientists write headache after watching 3D movie to errors




Russian investigators would have discovered why seeing a 3D film caused a lot of people headaches, dizziness or disorientation. One reason is the use of poor equipment, such as poor glasses, cheap projectors and other technical matters.

The second category is, according to the researchers, more complicated and not always to indicate or avoid. One of the most eye-catching, but relatively few common mistakes on the production side is changing the images for the left and right eye.

The researchers developed software to detect these mistakes and let go of their program to 105 movies on Blu-ray. The study emerges that 21 percent of the films on Blu-ray includes a scene with the left-right confusion. After scanning the disks were found to have accumulated more than 10,000 possible problematic scenes to be in the movies. In 65 scenes from 23 films was left confused with the right. Also, there were errors in big productions such as Avatar and The Chronicles of Narnia, all showed overall that cheaper productions like horror movies contain more errors.

The problem of side effects such as headaches when watching a 3D movie is common. A French study in 2011 showed that only a third of the viewers 3D movies does not suffer from side effects. 27 percent feel “something unpleasant”, 22 percent complained about a worsening condition ‘, 7 percent suffer from severe headaches and 11 percent suffer, but can not sign that.

Lead researcher Dmitry Vatolin of the Graphics & Media Lab at the Lomonosov Moscow State University thinks , however, that the quality of 3D movies quickly will go ahead. The quality is according to him often in many films already better than Avatar. The investigation began in 2008 and a lot has changed in that time. He suspects that it will take two to three years before the biggest problems a thing of the past. For a good 3D experience with minimal headaches still remains necessary, a movie theater with good equipment with a ditto film.

The Russian research was presented at the annual Stereoscopic Displays & Applications conference in San Francisco.


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