Attention model-based visual comfort assessment for stereoscopic depth perception

This paper investigates visual discomfort induced by depth perception for viewing stereoscopic 3D images. In order to assess the degree of visual discomfort, we exploit an attention model-based visual comfort metric, considering perceptually significant regions of stereoscopic images. In particular, the relationship between visual comfort and depth perception is modeled based on psychophysical experiments with diverse amount of binocular disparities. Then, several spatial pooling techniques are applied using a visual comfort model in order to investigate the feasibility of the attention-model based visual comfort metric. Subjective assessments have been conducted using real stereoscopic 3D images, demonstrating the efficiency of the attention model-based visual comfort metric.