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基于FPGA技术的计算全息研究

Research of computer-generated hologram based on FPGA technology

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摘要

为了提高计算全息图的运算速率,根据现场可编程门阵列技术的并行处理特性,提出了一种基于现场可编程门阵列技术的计算全息实现方法。利用该方法分别制作了点光源和2维图像的菲涅耳计算全息图,并由所生成的全息图再现出原始图像。结果表明,用现场可编程门阵列技术实现分辨率为50×50的全息图的运算速度是传统MATLAB实现的165倍。该研究结果对实现计算全息的实时性具有重要的意义。

Abstract

A method based on parallel processing of field programmable gate array(FPGA)technology was put forward to accelerate the computation speed of computer-generated hologram (CGH). Its Fresnel CGH of a point and two-dimension images were produced particularly and the numerical reconstruction of CGH was realized. The experimental results show that the computational speed of a resolution of 50×50 hologram based on FPGA is 165-fold of traditional MATLAB implementation. The study is helpful for implementing real-time CGH.

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中图分类号:O438.1

DOI:10.3969/j.issn.1001-3806.2012.01.008

所属栏目:光通信与光信息技术

收稿日期:2011-04-27

修改稿日期:2011-07-06

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作者单位    点击查看

简献忠:上海理工大学 光电信息与计算机工程学院,上海 200093
张晗:上海理工大学 光电信息与计算机工程学院,上海 200093
范建鹏:上海理工大学 光电信息与计算机工程学院,上海 200093
周志刚:上海理工大学 光电信息与计算机工程学院,上海 200093

联系人作者:简献忠(jianxz@yahoo.com.cn)

备注:简献忠(1969-),男, 副教授,工学博士, 主要研究方向为信息处理、嵌入式系统开发与应用、微弱信号检测、图像处理等。

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引用该论文

JIAN Xian-zhong,ZHANG Han,FAN Jian-peng,ZHOU Zhi-gang. Research of computer-generated hologram based on FPGA technology[J]. Laser Technology, 2012, 36(1): 26-28

简献忠,张晗,范建鹏,周志刚. 基于FPGA技术的计算全息研究[J]. 激光技术, 2012, 36(1): 26-28

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