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Pi D, Liu J, Kang R, et al. Reducing the memory usage of computer-generated hologram calculation using accurate high-compressed look-up-table method in color 3D holographic display. Opt Express. 2019;27(20):28410-28422doi: 10.1364/OE.27.028410.
Pi, D., Liu, J., Kang, R., Zhang, Z., & Han, Y. (2019). Reducing the memory usage of computer-generated hologram calculation using accurate high-compressed look-up-table method in color 3D holographic display. Optics express, 27(20), 28410-28422. https://doi.org/10.1364/OE.27.028410
Pi, Dapu, et al. "Reducing the memory usage of computer-generated hologram calculation using accurate high-compressed look-up-table method in color 3D holographic display." Optics express vol. 27,20 (2019): 28410-28422. doi: https://doi.org/10.1364/OE.27.028410
Pi D, Liu J, Kang R, Zhang Z, Han Y. Reducing the memory usage of computer-generated hologram calculation using accurate high-compressed look-up-table method in color 3D holographic display. Opt Express. 2019 Sep 30;27(20):28410-28422. doi: 10.1364/OE.27.028410. PMID: 31684594.
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Opt Express. 2019 Sep 30;27(20):28410-28422. doi: 10.1364/OE.27.028410.

Reducing the memory usage of computer-generated hologram calculation using accurate high-compressed look-up-table method in color 3D holographic display.

Optics express

Dapu Pi, Juan Liu, Ruidan Kang, Zhiqi Zhang, Yu Han

PMID: 31684594 DOI: 10.1364/OE.27.028410

Abstract

In this paper, we propose an accurate high-compressed look-up-table method that uses less memory to generate the hologram. In precomputation, we separate the longitudinal modulation factors and only calculate the basic horizontal and vertical factors. Therefore, we obtain other horizontal and vertical modulation factors of object points by simply shifting the basic horizontal and vertical modulation factors while computing holograms. We perform numerical simulations and optical experiments to verify the proposed method. Numerical simulation results show that the proposed method has the least memory usage, the fastest computation time and no distortion. The optical experimental results are in accord with the numerical simulation results. The proposed method is simple and effective to calculate computer-generated holograms for color dynamic holographic display with high speed, less memory usage and high accuracy that could be applied in the holographic field in the future.

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