3D Fatigue from Stereoscopic 3D Video Displays - Engineering Assignment Help

Assignment Task:

Task:

Abstract—The use of stereoscopic display has increased in recent times, with a growing range of applications using 3D videos for visual entertainment, data visualization, and medical applications. However, stereoscopic 3D video can lead to adverse reactions amongst some viewers, including visual fatigue, headache and nausea; such reactions can further lead to Visually Induced Motion Sickness (VIMS). Whilst motion sickness symptoms can occur from other types of visual displays, this paper investigates the rapid adjustment triggered by human pupils as a potential cause of 3D fatigue due to VIMS from stereoscopic 3D displays. Using Electroencephalogram (EEG) biosignals and eye blink tools to measure the 3D fatigue, a series of objective and subjective experiments were conducted to investigate the effect of stereoscopic 3D across a series of video sequences.

INTRODUCTION

Stereoscopic technology is used to increase the depth of the 2D image [1]. The human eye acts like a camera to capture images with the retina, effectively the image sensor. The left and right eyes capture two separate images, and the fusion of the two images in the brain forms a single image with depth to create a 3D image. The growth of 3D display technology has led to the proliferation of 3D movies on the commercial market. However, reports of some audiences experiencing side-effects such as eyestrain, headaches and nausea after watching 3D movies has led to researchers’ conducting studies to find that people may feel uncomfortable or have visual fatigue while watching or after watching stereoscopic movies or images [2].

BACKGROUND

To study the functional changes in the human body that may occur in response to viewing 3D stereoscopic images or videos, a number of measurement tools to assess visual fatigue symptoms such as VIMS and SSQ are discussed as follows.

A. VIMS
The most common subjective evaluation of VIMS is the Simulator Sickness Questionnaire (SSQ) [6]. The SSQ is used to assess motion sickness [7], and the questionnaire for the 3D fatigue test includes the following parameters: general discomfort, difficulty focusing eyestrain, increased salivation, difficulty concentrating, headache, blurred vision, vertigo, nausea, burping and dizziness, tired eyes, double vision, heart palpitations, etc. Experiments conducted by Solimini et al. [8] examined VIMS when watching 3D movies, where the experimental results indicated that viewers might have an increased risk of potential health problems such as photosensitive epilepsy in future when increasingly watching 3D movies.

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