While visiting a modern 3D cinema, everybody of us has sometimes experienced 'special effects' as eyestrain and headache. Graphics & Media Lab of MSU has analyzed 5 stereo films and revealed the 'bugs', coursing the discomfort reasons:
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[*]horizontal or vertical disparity
[*]color mismatch
[*]sharpness mismatch
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Here is an example of vertical disparity and color mismatch from the analysis:
MSU students have done the analysis in order to improve 3D quality and reduce eye- and headache.
To read the analysis of 5 films here.
