Reducing the memory usage for effective computer-generated hologram calculation using compressed look-up table in full-color holographic display

被引:115
作者
Jia, Jia [1 ]
Wang, Yongtian [1 ]
Liu, Juan [1 ]
Li, Xin [1 ]
Pan, Yijie [1 ]
Sun, Zhumei [1 ]
Zhang, Bin [1 ]
Zhao, Qing [1 ]
Jiang, Wei [1 ]
机构
[1] Beijing Inst Technol, Sch Opt & Elect, Minist Educ China, Key Lab Photoelect Imaging Technol & Syst, Beijing 100081, Peoples R China
基金
国家高技术研究发展计划(863计划); 中国国家自然科学基金;
关键词
GRAPHICS PROCESSING UNIT; VIDEO; COMPUTATION; GPU;
D O I
10.1364/AO.52.001404
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
A fast algorithm with low memory usage is proposed to generate the hologram for full-color 3D display based on a compressed look-up table (C-LUT). The C-LUT is described and built to reduce the memory usage and speed up the calculation of the computer-generated hologram (CGH). Numerical simulations and optical experiments are performed to confirm this method, and several other algorithms are compared. The results show that the memory usage of the C-LUT is kept low when number of depth layers of the 3D object is increased, and the time for building the C-LUT is independent of the number of depth layers of the 3D object. The algorithm based on C-LUT is an efficient method for saving memory usage and calculation time, and it is expected that it could be used for realizing real-time and full-color 3D holographic display in the future. (C) 2013 Optical Society of America
引用
收藏
页码:1404 / 1412
页数:9
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