Measurement of Static Convergence and Accommodation Response to Reconstructed Images of Electro-holography for Depth Perception

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  • 電子ホログラフィの再生像の奥行きに対する静的輻輳・調節応答の測定

Abstract

Theoretically, it is expected that a display based on an electro-holography shows three-dimensional (3D) images which satisfy all physiological factors of the depth perception of persons. A novel electro-holographic display for binocular vision was fabricated for measurements of physiological responses to 3D images. The display has a wide field of view, full parallax, and also ability to display 3D images that provide accurate accommodative and convergence stimuli correlated with depth position estimated by the viewers. The vergence and accommodation responses of viewers to the 3D images were measured objectively using an infrared optometer, and moreover depth perceptions were assessed. The comparison between measured values to the images and to real objects indicated that 3D images were displayed at the correct depth position. The results suggest that an electro-holographic display satisfy physiological factors of the depth perception.

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