Depth enhancement of S3D content and the psychological effects

25 February 2012 Depth enhancement of S3D content and the psychological effects

Masahiro Hirahara, Saki Shiraishi, Takashi Kawai

Author Affiliations +

Proceedings Volume 8288, Stereoscopic Displays and Applications XXIII; 82881N (2012) https://doi.org/10.1117/12.910661
Event: IS&T/SPIE Electronic Imaging, 2012, Burlingame, California, United States

Abstract

Stereoscopic 3D (S3D) imaging technologies are widely used recently to create content for movies, TV programs, games, etc. Although S3D content differs from 2D content by the use of binocular parallax to induce depth sensation, the relationship between depth control and the user experience remains unclear. In this study, the user experience was subjectively and objectively evaluated in order to determine the effectiveness of depth control, such as an expansion or reduction or a forward or backward shift in the range of maximum parallactic angles in the cross and uncross directions (depth bracket). Four types of S3D content were used in the subjective and objective evaluations. The depth brackets of comparison stimuli were modified in order to enhance the depth sensation corresponding to the content. Interpretation Based Quality (IBQ) methodology was used for the subjective evaluation and the heart rate was measured to evaluate the physiological effect. The results of the evaluations suggest the following two points. (1) Expansion/reduction of the depth bracket affects preference and enhances positive emotions to the S3D content. (2) Expansion/reduction of the depth bracket produces above-mentioned effects more notable than shifting the cross/uncross directions.

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Masahiro Hirahara, Saki Shiraishi, and Takashi Kawai "Depth enhancement of S3D content and the psychological effects", Proc. SPIE 8288, Stereoscopic Displays and Applications XXIII, 82881N (25 February 2012); https://doi.org/10.1117/12.910661

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