Ergonomic evaluation of crosstalk in stereoscopy through heart activity and forehead blood flow

Satoshi Toyosawa; Hiroyuki Morikawa; Koichi Nakano; Takashi Kawai; Chin-Sen Chen; Hung-Lu Chang; Jinn-Cherng Yang

doi:10.1117/12.872199

15 February 2011 Ergonomic evaluation of crosstalk in stereoscopy through heart activity and forehead blood flow

Satoshi Toyosawa, Hiroyuki Morikawa, Koichi Nakano, Takashi Kawai, Chin-Sen Chen, Hung-Lu Chang, Jinn-Cherng Yang

Proceedings Volume 7863, Stereoscopic Displays and Applications XXII; 786311 (2011) https://doi.org/10.1117/12.872199
Event: IS&T/SPIE Electronic Imaging, 2011, San Francisco Airport, California, United States

Abstract

Crosstalk is a phenomenon in stereoscopy where an image becomes blurry due to leakage of the left image into the right eye and vice versa, and is considered one of the serious problems impairing stereoscopic experience. The current study examines mental/cognitive activity under a various levels of crosstalk through heart activity and forehead blood flow. In the experiment that presented three still natural images and one graphical video with a various crosstalk levels, heart rate showed a decelerative-accelerative-decelerative pattern for all the stimuli up to the intolerably severe level. The result suggests changes in mental state in accordance to the crosstalk level: i.e. orientation response under no perceived crosstalk, active mental elaboration upon noticing crosstalk, and reduced level of elaboration as crosstalk progressed. The pattern, however, did not always agree amongst the physiological measures and the crosstalk ratios. This suggests that the mental state under crosstalked image viewing could be more complex than a simple combination of orientation response and active mental elaboration.

Citation Download Citation

Satoshi Toyosawa, Hiroyuki Morikawa, Koichi Nakano, Takashi Kawai, Chin-Sen Chen, Hung-Lu Chang, and Jinn-Cherng Yang "Ergonomic evaluation of crosstalk in stereoscopy through heart activity and forehead blood flow", Proc. SPIE 7863, Stereoscopic Displays and Applications XXII, 786311 (15 February 2011); https://doi.org/10.1117/12.872199

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KEYWORDS

Heart

Blood circulation

Visibility

Near infrared spectroscopy

Video

Tolerancing

Optical spheres

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