全息显示器实时全息图生成的数字预失真一步相位恢复算法

IF 0.6 4区计算机科学 Q4 IMAGING SCIENCE & PHOTOGRAPHIC TECHNOLOGY

Journal of Imaging Science and Technology Pub Date : 2022-04-14 DOI:10.2352/J.ImagingSci.Technol.2023.67.3.030405

Jinze Sha, A. Goldney, A. Kadis, Jana Skirnewskaja, T. Wilkinson

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引用次数: 0

摘要

在计算机生成的全息投影系统中，通过来自空间光调制器的光的衍射来重建图像。在这个过程中，几个因素可能导致重建和目标图像之间的非线性。本文利用一步相位恢复（OSPR）算法计算的二元相位全息图，对整个全息投影系统的非线性进行了实验评估，然后应用数字预失真（DPD）方法对非线性进行校正。观察到重建质量的显著提高和均方误差的显著降低，证明了所提出的DPD-OSPR算法的有效性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Digital Pre-Distorted One-Step Phase Retrieval Algorithm for Real-Time Hologram Generation for Holographic Displays

In a computer-generated holographic projection system, the image is reconstructed via the diffraction of light from a spatial light modulator. In this process, several factors could contribute to non-linearities between the reconstruction and the target image. This paper evaluates the non-linearity of the overall holographic projection system experimentally, using binary phase holograms computed using the one-step phase retrieval (OSPR) algorithm, and then applies a digital pre-distortion (DPD) method to correct for the non-linearity. Both a notable increase in reconstruction quality and a significant reduction in mean squared error were observed, proving the effectiveness of the proposed DPD-OSPR algorithm.

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来源期刊

Journal of Imaging Science and Technology 工程技术-成像科学与照相技术

CiteScore

2.00

自引率

10.00%

发文量

审稿时长

>12 weeks

期刊介绍： Typical issues include research papers and/or comprehensive reviews from a variety of topical areas. In the spirit of fostering constructive scientific dialog, the Journal accepts Letters to the Editor commenting on previously published articles. Periodically the Journal features a Special Section containing a group of related— usually invited—papers introduced by a Guest Editor. Imaging research topics that have coverage in JIST include: Digital fabrication and biofabrication; Digital printing technologies; 3D imaging: capture, display, and print; Augmented and virtual reality systems; Mobile imaging; Computational and digital photography; Machine vision and learning; Data visualization and analysis; Image and video quality evaluation; Color image science; Image archiving, permanence, and security; Imaging applications including astronomy, medicine, sports, and autonomous vehicles.