Generation of Phase-Only Holograms Based on Aliasing Reuse and Application in Holographic See-Through Display System

In the point-based method, the aliasing phenomenon in the hologram plane is usually considered as a harmful phenomenon because it will degrade the reconstructed image quality. In this paper, the advantage of the aliasing phenomenon is employed to improve the reconstructed image quality of the phase-...

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Bibliographic Details
Published in:IEEE photonics journal 2019-06, Vol.11 (3), p.1-11
Main Authors: Chen, Chun, He, Min-Yang, Wang, Jun, Chang, Ke-Ming, Wang, Qiong-Hua
Format: Article
Language:English
Subjects:
Aliasing
Amplitudes
augmented reality
Computer holography
Diffraction
Display devices
Display systems
Holograms
holographic display
Holography
Image quality
Image reconstruction
Three-dimensional displays
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Summary:In the point-based method, the aliasing phenomenon in the hologram plane is usually considered as a harmful phenomenon because it will degrade the reconstructed image quality. In this paper, the advantage of the aliasing phenomenon is employed to improve the reconstructed image quality of the phase-only hologram. Through analysis of the principle of this phenomenon, we proposed a method to improve the reconstructed image quality of the phase-only hologram. By controlling the strength of the aliasing, the amplitude distribution in the hologram plane can be turned into a nearly uniform distribution. It is helpful to generate an optimized phase-only hologram, which results in higher quality of the reconstructed image because the effect of lost information caused by abandon the amplitude part can be diminished. Moreover, a holographic see-through display system is designed to demonstrate the effectiveness of the proposed method.
ISSN:1943-0655
1943-0647
DOI:10.1109/JPHOT.2019.2911981