Abstract
This paper experimentally shows how the center wavelength and spectral power distribution (SPD) of displayed color is related to chromostereopsis. Chromostereopsis - a visual illusion whereby the impression of depth is conveyed in two-dimensional color images - can be applied to glassless binocular stereopsis by controlling color saturation even when a commercial liquid crystal display (LCD) is used to display a two-dimensional image. We conducted evaluations of stereoscopic visual effects among monochrome images using an LCD panel and three monochrome backlights whose SPD had a single peak. The center wavelength and full width at half maximum (FWHM) of the SPD for the backlight were varied. The experimental results show that chromostereopsis does not occur strongly when the FWHM of a backlight is larger than 100 nm. We also suggest that the impression of the depth for monochrome images depends on the center wavelength and FWHM of the color, which indicates chromostereopsis can be expressed by the chromatic aberration.
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