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Demonstration of a low-crosstalk super-multiview light field display with natural depth cues and smooth motion parallax

Posted on 2019-11-08 - 16:32
Due to lack of the accommodation stimulus, an inherent drawback for the conventional glasses-free stereoscopic display is that precise depth cues for the human monocular vision is rent, which results in the well-known convergence-accommodation conflict for the human visual system. Here, a super-multiview light field display with the vertically-collimated programmable directional backlight (VC-PDB) and the light control module (LCM) is demonstrated. The VC-PDB and the LCM are used to form the super-multiview light field display with low crosstalk, which can provide precisely detectable accommodation depth for human monocular vision. Meanwhile, the VC-PDB cooperates with the refreshable liquid-crystal display panel to provide the convergence depth matching the accommodation depth. In addition, the proposed method of light field pick-up and reconstruction is implemented to ensure the perceived three dimensional (3D) images with accurate depth cues and correct geometric occlusion, and the eye tracker is used to enlarge the viewing angle of 3D images with smooth motion parallax. In the experiment, the reconstructed high quality fatigue-free 3D images can be perceived with the clear focus depth of 13 cm in the viewing angle of 40°, where 352 viewpoints with the viewpoints density of 1 mm-1 and the crosstalk of less than 6% are presented.

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AUTHORS (10)

Peiren Wang
Xinzhu Sang
Xunbo Yu
Xin Gao
Binbin Yan
Boyang Liu
li liu
Chao Gao
Le Yang
Yuanhang Li

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