17 March 2015 Effects of blurring and vertical misalignment on visual fatigue of stereoscopic displays
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In this paper, we investigate two error issues in stereo images, which may produce visual fatigue. When two cameras are used to produce 3D video sequences, vertical misalignment can be a problem. Although this problem may not occur in professionally produced 3D programs, it is still a major issue in many low-cost 3D programs. Recently, efforts have been made to produce 3D video programs using smart phones or tablets, which may present the vertical alignment problem. Also, in 2D-3D conversion techniques, the simulated frame may have blur effects, which can also introduce visual fatigue in 3D programs. In this paper, to investigate the relationship between these two errors (vertical misalignment and blurring in one image), we performed a subjective test using simulated 3D video sequences that include stereo video sequences with various vertical misalignments and blurring in a stereo image. We present some analyses along with objective models to predict the degree of visual fatigue from vertical misalignment and blurring.
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Sangwook Baek, Sangwook Baek, Chulhee Lee, Chulhee Lee, "Effects of blurring and vertical misalignment on visual fatigue of stereoscopic displays", Proc. SPIE 9391, Stereoscopic Displays and Applications XXVI, 93910T (17 March 2015); doi: 10.1117/12.2083355; https://doi.org/10.1117/12.2083355


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