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首页> 外文期刊>Photonics Journal, IEEE >Moving Target Tracking and Imaging Through Scattering Media via Speckle-Difference-Combined Bispectrum Analysis
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Moving Target Tracking and Imaging Through Scattering Media via Speckle-Difference-Combined Bispectrum Analysis

机译：通过散斑差异双谱分析通过散射介质移动目标跟踪和成像

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摘要

Target tracking and imaging through scattering media are challenges that must be overcome for important applications in various fields. The fundamental problem is the randomly diffused light in scattering media that prevents the formation of diffraction-limited images. In recent years, speckle correlation has emerged as a powerful approach for restoring targets through scattering media and tracking targets with high scattering. However, this method fails to achieve high-accuracy target tracking in multidimensional motion. Furthermore, retrieving the deterministic phase of a target in a low-resolution speckle pattern is limited. Here, a method based on speckle-difference-combined bispectrum analysis (SDCBA) is presented to simultaneously track and image targets. The proposed SDCBA requires no high-resolution pattern, randomly assigned initial values, nor numerous iterations. The target is tracked simultaneously in multidimension by using speckle difference autocorrelation and restored with the deterministic phase via bispectrum analysis of the low-resolution speckle pattern. This work carries out simulations and experiments to demonstrate simultaneous multidimensional target tracking and imaging in low-resolution speckle pattern through scattering media via the SDCBA. This work will benefit various fields, including biomedical applications, materials science, and military security.
机译：通过散射介质进行目标跟踪和成像是各种领域中重要应用必须克服的挑战。基本问题是散射介质中的随机散射光会阻止形成衍射极限图像。近年来，散斑相关已经成为一种通过散射介质还原目标并跟踪具有高散射目标的强大方法。但是，这种方法无法在多维运动中实现高精度的目标跟踪。此外，以低分辨率斑点图案检索目标的确定性相位受到限制。在这里，提出了一种基于散斑差分双谱分析（SDCBA）的方法来同时跟踪和成像目标。提出的SDCBA不需要高分辨率模式，随机分配的初始值，也不需要大量迭代。使用斑点差异自相关同时跟踪多维目标，并通过低分辨率斑点模式的双光谱分析以确定的相位恢复目标。这项工作进行了模拟和实验，以演示通过SDCBA通过散射介质以低分辨率散斑图案同时进行多维目标跟踪和成像。这项工作将使各个领域受益，包括生物医学应用，材料科学和军事安全。

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