Overview of fast algorithm in 3D dynamic holographic display

被引:3
作者
Liu, Juan [1 ]
Jia, Jia [1 ]
Pan, Yijie [1 ]
Wang, Yongtian [1 ]
机构
[1] Beijing Inst Technol, Sch Opt & Elect, Minist Educ China, Key Lab Photoelect Imaging Technol & Syst, Beijing 100081, Peoples R China
来源
INTERNATIONAL SYMPOSIUM ON PHOTOELECTRONIC DETECTION AND IMAGING 2013: OPTICAL STORAGE AND DISPLAY TECHNOLOGY | 2013年 / 8913卷
关键词
3D holographic display; Computer generated holograms; Fast algorithm; COMPUTER-GENERATED-HOLOGRAM; LOOK-UP TABLE; 3-DIMENSIONAL SURFACE OBJECTS; GRAPHICS PROCESSING UNIT; LIQUID-CRYSTAL DISPLAY; FAST COMPUTATION; DIFFRACTION; SYSTEM; SPECTRUM; PLANES;
D O I
10.1117/12.2034790
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
3D dynamic holographic display is one of the most attractive techniques for achieving real 3D vision with full depth cue without any extra devices. However, huge 3D information and data should be preceded and be computed in real time for generating the hologram in 3D dynamic holographic display, and it is a challenge even for the most advanced computer. Many fast algorithms are proposed for speeding the calculation and reducing the memory usage, such as: look-up table (LUT), compressed look-up table (C-LUT), split look-up table (S-LUT), and novel look-up table (N-LUT) based on the point-based method, and full analytical polygon-based methods, one-step polygon-based methodbased on the polygon-based method. In this presentation, we overview various fast algorithms based on the point-based method and thepolygon-based method, and focus on the fast algorithm (C-LUT) with low memory usage and one-step polygon-based method by the 2D Fourier analysis of the 3D affine transformation. The numerical simulations and the optical experiments are presented, and several other algorithms are compared. The results show that the C-LUT algorithm and the one-step polygon-based method are efficient methods for saving calculation time. It is believed that those methods could be used in the real-time 3D holographic display in the future.
引用
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页数:12
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