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11 November 2014 Glasses-free large size high-resolution three-dimensional display based on the projector array
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Normally, it requires a huge amount of spatial information to increase the number of views and to provide smooth motion parallax for natural three-dimensional (3D) display similar to real life. To realize natural 3D video display without eye-wears, a huge amount of 3D spatial information is normal required. However, minimum 3D information for eyes should be used to reduce the requirements for display devices and processing time. For the 3D display with smooth motion parallax similar to the holographic stereogram, the size the virtual viewing slit should be smaller than the pupil size of eye at the largest viewing distance. To increase the resolution, two glass-free 3D display systems rear and front projection are presented based on the space multiplexing with the micro-projector array and the special designed 3D diffuse screens with the size above 1.8 m× 1.2 m. The displayed clear depths are larger 1.5m. The flexibility in terms of digitized recording and reconstructed based on the 3D diffuse screen relieves the limitations of conventional 3D display technologies, which can realize fully continuous, natural 3-D display. In the display system, the aberration is well suppressed and the low crosstalk is achieved.
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Xinzhu Sang, Peng Wang, Xunbo Yu, Tianqi Zhao, Xing Gao, Shujun Xing, Chongxiu Yu, and Daxiong Xu "Glasses-free large size high-resolution three-dimensional display based on the projector array", Proc. SPIE 9271, Holography, Diffractive Optics, and Applications VI, 92710Q (11 November 2014);


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