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面向真彩色三维显示的分层角谱算法和Gerchberg-Saxton算法研究

Shuang Fan,Ya-Ping Zhang,Fan Wang,Yun-Long Gao,Xiao-Fan Qian,Yong-An Zhang, Wei Xu,Liang-Cai Cao

物理学报（2018）

Cited 6|Views2
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Abstract
分层角谱算法可用于三维物体全息图的生成计算,在计算时间、占用内存和算法复杂度方面占有优势.本文基于强度图和深度图的分层角谱算法,对多波长采样进行分析,有效抑制混频现象,实现了真彩色物体的计算全息图生成.针对分层角谱算法重建时产生的散斑噪声问题,引入Gerchberg-Saxton(GS)算法,提出基于分层角谱算法的GS算法.通过计算比较引入GS算法前后再现像的均方根误差和峰值信噪比,证明该算法可有效地抑制散斑噪声,提高全息图的再现像质量,更适用于复杂形貌三维物体的计算.
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Key words
three-dimensional object with true color,angular-spectrum layer-oriented method,Gerchberg-Saxton algorithm,root-mean-square error
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