Tracking moving objects through scattering media via speckle correlations.

Tracking moving objects through scattering media via speckle correlations.
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通过散斑相关性通过散射介质跟踪移动物体。

DOI:
10.1038/s41467-022-33470-y
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发表时间:
2022-10-01
影响因子:
16.6
通讯作者:
Bertolotti, J.
Bertolotti, J.
中科院分区:
综合性期刊1区
文献类型:
--
作者:
Jauregui-Sanchez, Y.;Penketh, H.;Bertolotti, J.

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散射可以迅速降低我们形成光学图像的能力,以至于只能测量斑点状图案。通过强散射障碍物进行真正的非侵入性成像是困难的,并且通常依赖于计算密集的数值重建。在这项工作中,我们表明,通过结合在不同的时间测量的散斑图案的互相关,它可以跟踪一个移动的物体,以最小的计算工作量,并在一个大的视野。通过强散射介质成像是具有挑战性的和计算密集型的。在这里,作者表明,通过结合在不同时间测量的散斑图案的互相关,可以实现以最小的计算工作量的移动对象的跟踪。
Scattering can rapidly degrade our ability to form an optical image, to the point where only speckle-like patterns can be measured. Truly non-invasive imaging through a strongly scattering obstacle is difficult, and usually reliant on a computationally intensive numerical reconstruction. In this work we show that, by combining the cross-correlations of the measured speckle pattern at different times, it is possible to track a moving object with minimal computational effort and over a large field of view. Imaging though strongly scattering media is challenging and computationally intensive. Here, the authors show that tracking of moving objects can be achieved with minimal computational effort by combining cross-correlations of the measured speckle pattern at different times.
DOI: 10.1364/ol.3.000027
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