IMPORTANCE OF STUDYING VIMS FOR 3D DISPLAYS

The research studies investigating viewers’ complaints and symptoms of dissatisfaction with respect to stereoscopy vision reported the common issues faced by the viewers during watching stereoscopic 3D contents (either movies or games), such as dizziness, disorientation, headache, visual and mental fatigue, visual discomfort, eye strain, and so on.5,6 In addition, it is also known that not all viewers report the same symptoms. A viewer who is suffering from these symptoms will have VIMS, which is a condition where viewers are being physically still during or after exposure to 3D content but they feel symptoms ofVIMS.7

A well-known standard tool for assessment of VIMS is the simulator sickness questionnaire (SSQ), which is a structure questionnaire reported in previous research for subjective judgment of VIMS.7,8 Since the SSQ allows subjective assessment ofVIMS, there are limitations of the subjective assessment reported in previous research such as systematic and cognitive biasness9 and psychological factors,10 often negatively correlated with the variable of interest11,12 and difficult to interpret because they are often expressed in ordinal scales.13 Therefore, an EEG method is adopted in the experiment described in this chapter along with the SSQ tool to measure the EEG waves, which directly reflect the electrical activity of the brain.

The assessment of VIMS is important because the use of S3D technology is spread out in many disciplines other than entertainment, such as education. In the education sector, the learning of science concepts is supported by the use of S3D animation for understanding and easy mem- orization.14,15 Hence, such a research study will explore the side effects of S3D technology such as VIMS and the possible factors that cause such symptoms.

 
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