Eye-position tracking stereoscopic display using image-shifting optics

Hiroshi Imai; Masao Imai; Yukio Ogura; Keiichi Kubota

doi:10.1117/12.237457

10 April 1996 Eye-position tracking stereoscopic display using image-shifting optics

Hiroshi Imai, Masao Imai, Yukio Ogura, Keiichi Kubota

Author Affiliations +

Proceedings Volume 2653, Stereoscopic Displays and Virtual Reality Systems III; (1996) https://doi.org/10.1117/12.237457
Event: Electronic Imaging: Science and Technology, 1996, San Jose, CA, United States

Abstract

We have developed an eye-position tracking stereoscopic projector which employs image shifting optics. The display allows 3D images to be viewed without special glasses from any position along a lateral axis. Its image shifting device contains a plane parallel glass plate and is installed in a liquid crystal projector. Refraction produced by inclination of the glass plate shifts the optical axis of the projected image. Since the only moving part in the optics is the lightweight glass plate, the response of the image shifting device is both fast and precise enough for interactive 3D-CAD and virtual reality applications. To improve the system's interactive response, we have widened the stereoscopic viewing area by adding a device which causes the image to vibrate laterally. Also we use a new tracking algorithm which reduces the tracking error that would ordinarily be created by delay time. Experimental results confirm the success of these improvements.

Citation Download Citation

Hiroshi Imai, Hiroshi Imai, Masao Imai, Masao Imai, Yukio Ogura, Yukio Ogura, Keiichi Kubota, Keiichi Kubota, "Eye-position tracking stereoscopic display using image-shifting optics", Proc. SPIE 2653, Stereoscopic Displays and Virtual Reality Systems III, (10 April 1996); doi: 10.1117/12.237457; https://doi.org/10.1117/12.237457

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