360-degree viewable tabletop 3D display system based on integral imaging by using perspective-oriented layer

Abstract

We propose a 360-degree viewable tabletop three-dimensional (3D) display system based on integral imaging by using a perspective-oriented layer (POL). The proposed system is composed of a two-dimensional (2D) display device, a POL, a lens array with large pitch and a light shaping diffuser screen. The 2D display device with high refresh rate is utilized to present the adaptive element image array (AEIA) sequentially. The AEIA is generated based on partially-overlapping algorithm to ensure that the 3D image corresponding to adjacent viewing zone is reconstructed without flipping. The 2D display device, the POL and the lens array rotate simultaneously to create a 360-degree continuous viewing zone by time division multiplexing. In our proposed tabletop 3D display system, the best viewing zone can be modulated to the lateral and the crosstalk caused by the narrow viewing angle can be eliminated. In addition, the proposed tabletop 3D display system is capable of reconstructing 3D images with both vertical and horizontal parallaxes. The experimental results agree well with the basic principle of the proposed method.