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shi yong quan xi guang xue yuan jian wu tou jing kong jian wei fen lv bo qi jin xing wei fen yun suan
Author(s): 
Pages: 14-16
Year: Issue:  6
Journal: Optical Technique

Keyword:  全息光学元件微分运算空间滤波器傅里叶变换透镜光学图象处理复合光栅会聚球面波平面波微分滤波器透镜空间;
Abstract: <正> 一、引言光学微分,是光学计算技术中的一种基本运算,也是进行光学图象处理的一个重要手段。实现光学微分运算,可以在如图1所示的传统的相干光学处理系统中进行,并可使用易于综合的复合光栅作空间滤波器。这种光学微分法,可以增强图象边缘的清晰度,也有人提出把这
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