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The Study of Fresnel Computer-generated Hologram of 3-D Object
Author(s): HOU Rui-ning, WANG Ding
Pages: 403-
405
Year: 2008
Issue:
7
Journal: INFRARED TECHNOLOGY
Keyword: 菲涅耳衍射; 计算全息图; 计算机断层像; 三维显示;
Abstract: 介绍一种用计算全息显示三维物体的方法.记录三维物体在非相干白光照明条件下两个正交方向上不同视角的一系列连续二维像,根据计算机断层成像原理,由这些二维像计算出物体的三维傅立叶频谱,从中提取出一特征傅立叶频谱,用卷积算法计算出在一定传播距离处的菲涅耳衍射分布,用计算全息编码方法制出一张菲涅耳计算全息图,并进行模拟再现,给出了不同再现距离处的再现像.
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