Abstract
In this paper, a dual-view integral imaging system is proposed to present two different 3D images for viewers in different viewing zones. For most of the conventional dual-view integral imaging systems, either the viewing angle or the spatial resolution of 3D image is decreased. In the proposed dual-view system, the viewing angle of each viewing zone is enlarged by introducing a switchable mask. Meanwhile, the spatial resolution of the 3D image is maintained by using the time-division multiplexing technology. A prototype of the proposed dual-view system is developed and it has wide viewing angle and high spatial resolution. The experiments coincide with the theoretical analysis.
Highlights
Dual-View display is a new type of display technology appeared in recent years [1]–[3]
Light rays emitted from the compound elemental image arrays (CEIA) are modulated by the lens array, and the elemental images (EI) of the CEIA are imaged onto the central depth plane (CDP) through the lens array
The experimental results demonstrate that the proposed dual-view integral imaging system has wide viewing angle and high spatial resolution, which is consistent with the theoretical analysis
Summary
Dual-View display is a new type of display technology appeared in recent years [1]–[3] It displays two different images on one screen simultaneously, and provides multiple viewers in different viewing directions with different images so that the viewers can observe their desired image from one screen at the same time [4]–[6]. A dual-view II display using an orthogonal polarizer array and a polarization switcher effectively improves the resolution of 3D image [28], but the viewing angle is still not good. In our former work, we propose a dual-view II 3D display system based on a large-pitch lens array and a directional diffuser screen [30], [31]. The large-pitch lens array and the directional diffuser screen greatly improve the display performance of the system, it still has the problems of small viewing angle. By using the time-division multiplexing technology, the system can obtain the spatial resolution as high as the conventional mono-view integral imaging system
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