Augmented reality 3D display based on integral imaging

Huan Deng; Han-Le Zhang; Min-Yang He; Qiong-Hua Wang

doi:10.1117/12.2249485

16 February 2017 Augmented reality 3D display based on integral imaging

Huan Deng, Han-Le Zhang, Min-Yang He, Qiong-Hua Wang

Proceedings Volume 10126, Advances in Display Technologies VII; 1012608 (2017) https://doi.org/10.1117/12.2249485
Event: SPIE OPTO, 2017, San Francisco, California, United States

Abstract

Integral imaging (II) is a good candidate for augmented reality (AR) display, since it provides various physiological depth cues so that viewers can freely change the accommodation and convergence between the virtual three-dimensional (3D) images and the real-world scene without feeling any visual discomfort. We propose two AR 3D display systems based on the theory of II. In the first AR system, a micro II display unit reconstructs a micro 3D image, and the mciro-3D image is magnified by a convex lens. The lateral and depth distortions of the magnified 3D image are analyzed and resolved by the pitch scaling and depth scaling. The magnified 3D image and real 3D scene are overlapped by using a half-mirror to realize AR 3D display. The second AR system uses a micro-lens array holographic optical element (HOE) as an image combiner. The HOE is a volume holographic grating which functions as a micro-lens array for the Bragg-matched light, and as a transparent glass for Bragg mismatched light. A reference beam can reproduce a virtual 3D image from one side and a reference beam with conjugated phase can reproduce the second 3D image from other side of the micro-lens array HOE, which presents double-sided 3D display feature.

Conference Presentation

Citation Download Citation

Huan Deng, Han-Le Zhang, Min-Yang He, and Qiong-Hua Wang "Augmented reality 3D display based on integral imaging", Proc. SPIE 10126, Advances in Display Technologies VII, 1012608 (16 February 2017); https://doi.org/10.1117/12.2249485

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