通过全息图多子图再现像滤波提高全息图再现质量

黄晓辉; 贾振红

doi:10.13568/j.cnki.651094.2018.03.001

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通过全息图多子图再现像滤波提高全息图再现质量

更新时间：2026-01-21

- 通过全息图多子图再现像滤波提高全息图再现质量
- Journal of Xinjiang University (Natural Science Edition in Chinese and English) Vol. 35, Issue 3, Pages: 253-257(2018)
- 作者机构：
  
  新疆大学信息科学与工程学院
- 作者简介：
- 基金信息：
- DOI：10.13568/j.cnki.651094.2018.03.001
  CLC： TN713;TP391.41
- Published：2018
- 稿件说明：
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[1]黄晓辉,贾振红.通过全息图多子图再现像滤波提高全息图再现质量[J],2018,35(03):253-257.
[1]黄晓辉,贾振红.通过全息图多子图再现像滤波提高全息图再现质量[J],2018,35(03):253-257. DOI： 10.13568/j.cnki.651094.2018.03.001.

DOI：10.13568/j.cnki.651094.2018.03.001.

摘要

为了降低散斑噪声并提高全息图再现像的空间分辨率

本文提出用多子图滤波的算法.这个算法先从单幅全息图中获取一定数量的子全息图

然后对每个子全息图的再现像进行滤波

最后对所得再现像求平均

以得到最终结果.通过一系列的实验

验证了本实验方法的有效性和可靠性

相比其他方法

本文算法对散斑噪声的抑制效果较好.

Abstract

A method using sub-hologram filtering is proposed to improve the spatial resolution of the reconstructed image and decrease the speckle noise. In this method

a number of sub-holograms are obtained from a whole digital hologram

and filter is used decrease the speckle noise in the averaged images reconstructed from these sub-holograms. Several experiments have been carried out to validate the effectiveness of the proposed method. Experimental results prove the feasibility and effectiveness for improve the spatial resolution and decrease the speckle noise of the reconstructed image.

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references

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