Dynamical characterization of viewing zone in a super multi-view 3D display based on eye-tracking

Jia Jia; Jianghui Kang; Yiying Pu; Min Lu; Baolin Tan

doi:10.1117/12.2606357

24 November 2021 Dynamical characterization of viewing zone in a super multi-view 3D display based on eye-tracking

Jia Jia, Jianghui Kang, Yiying Pu, Min Lu, Baolin Tan

Proceedings Volume 12066, AOPC 2021: Micro-optics and MOEMS; 1206617 (2021) https://doi.org/10.1117/12.2606357
Event: Applied Optics and Photonics China 2021, 2021, Beijing, China

Abstract

A super multi-view display (SMV) technology is one kind of a promising method to realize the light field display approximately. It generates a dense viewing points with an interval smaller than the pupil diameter so that two or more rays passing through one object point in a three-dimensional (3D) space enter the pupil simultaneously. Therefore, a viewer could be able to focus on that object point. To produce a light field display with high 3D resolution while maintaining two or three rays entering the pupil, a flat panel system with high resolution or multiple display devices are required. To solve this problem, an SMV system with the slanted lenticular lens attached to a liquid crystal display (LCD) was developed in this article. The viewing zone is generated only around the viewer's eyes. Therefore, the resolution is improved by the reduction of the viewing zone. However, the viewing freedom is limited not only in the horizontal and vertical direction but also in the longitudinal direction. To increase the viewing freedom, an eye-tracking system is applied to the developed SMV system. The dynamical viewing zone characterizations including viewing interval, spatial distribution, and et. cl in this system was analyzed. To keep the viewer’s eyes always in the viewing zone with the smaller crosstalk, the compensation factors were calculated to generate the viewing zone depending on the 3D positions of the viewer’s eyes. The results show that the proposed SMV system successfully increased the horizontal, vertical, and longitudinal viewing freedom.

Citation Download Citation

Jia Jia, Jianghui Kang, Yiying Pu, Min Lu, and Baolin Tan "Dynamical characterization of viewing zone in a super multi-view 3D display based on eye-tracking", Proc. SPIE 12066, AOPC 2021: Micro-optics and MOEMS, 1206617 (24 November 2021); https://doi.org/10.1117/12.2606357

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KEYWORDS

3D displays

Lenticular lenses

LCDs

Cameras

3D image processing

Image quality

Lens design

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