Using speckles to recover an image after its transmission through obstacles
Using speckles to recover an image after its transmission through obstacles
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DOI：
10.1103/physreva.93.043816
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发表时间：
2016-04-11
影响因子：
2.9
通讯作者：
Fonseca, Eduardo J. S.
中科院分区：
文献类型：
--
作者：
Alves, Cleberson R.;Jesus-Silva, Alcenisio J.;Fonseca, Eduardo J. S.
我们证明，嵌入散斑图案的图像在穿过障碍物传输过程中具有很强的抗失真能力。鲁棒性取决于散斑的相干长度和障碍物的大小。这种行为基于自重构效应，即使一些散斑被不透明障碍物阻挡，散斑图案强度也会在传播过程中在障碍物特征消失的点处重新建立。我们使用可见性和相似性的概念评估图像的自重构能力。
We show that an image, embedded into a speckle pattern, is robust against distortions during its transmission through obstacles. The robustness depends on the coherence length of the speckles and obstruction size. This behavior is based on the self-reconfiguration effect, where, even though some speckles have been blocked by an opaque obstacle, the speckle-pattern intensity is reestablished during propagation at the point where the signature of the obstacle disappears. We evaluated the self-reconfiguration ability of the image using the concepts of visibility and similarity.