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Chin. Opt. Lett.
 Home  List of Issues    Issue 08 , Vol. 14 , 2016    10.3788/COL201614.080901


Acceleration for computer-generated hologram in head-mounted display with effective diffraction area recording method for eyes
Zhidong Chen1, Xinzhu Sang1, Qiaojuan Lin1, Jin Li1, Xunbo Yu1, Xin Gao1, Binbin Yan1, Chongxiu Yu1, Wenhua Dou2, and Liquan Xiao2
1 State Key Laboratory of Information Photonics and Optical Communications, [Beijing University of Posts and Telecommunications], Beijing 1 00876, China
2 School of Computer Science, [National University of Defense Technology], Changsha 410073, China

Chin. Opt. Lett., 2016, 14(08): pp.080901

DOI:10.3788/COL201614.080901
Topic:Holography
Keywords(OCIS Code): 090.0090  090.2820  090.1760  

Abstract
Holographic head-mounted display (HHMD) is a specific application of holography. The previous conventional computer-generated hologram (CGH) generation method has a large redundancy and suffers from a heavy computing burden in the HHMD. A low redundancy and fast calculation method is presented for a CGH that is suitable for an HHMD with the effective diffraction area recording method. For the limited pupil size of an observing eye, the size of the area producing an effective wavefront is very small, and the calculated amount can be dramatically reduced. A numerical simulation and an augmented virtual reality experimental system are presented to verify the proposed method. 1.5% of the calculation consumption of the conventional CGH generation method is used, and good holographically reconstructed images can be observed.

Copyright: © 2003-2012 . This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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Received:2016/3/3
Accepted:2016/5/24
Posted online:2016/6/21

Get Citation: Zhidong Chen, Xinzhu Sang, Qiaojuan Lin, Jin Li, Xunbo Yu, Xin Gao, Binbin Yan, Chongxiu Yu, Wenhua Dou, and Liquan Xiao, "Acceleration for computer-generated hologram in head-mounted display with effective diffraction area recording method for eyes," Chin. Opt. Lett. 14(08), 080901(2016)

Note: This work was partially supported by the National “863” Program of China (No. 2012AA011902), the National Natural Science Foundation of China (No. 61575025), and the Program of Beijing Science and Technology Plan (No. D121100004812001).



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