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首页> 外文期刊>Physical review letters >Time-Resolved Reflectance at Null Source-Detector Separation: Improving Contrast and Resolution in Diffuse Optical Imaging
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Time-Resolved Reflectance at Null Source-Detector Separation: Improving Contrast and Resolution in Diffuse Optical Imaging

机译:零源-检测器分离时的时间分辨反射率:提高漫射光学成像的对比度和分辨率

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摘要

We propose a novel approach to imaging in diffusive media based on time-resolved reflectance measurements at null source-detector separation. This approach yields better spatial resolution and contrast as compared to the classical approach, which typically employs a separation of 20-40 mm. Results are obtained by an analytical perturbation approach to diffusion theory and on Monte Carlo simulations. Practical implementation with state-of-the-art technology and performance of a complementary approach based on the use of small but not null source-detector separation are also discussed.
机译:我们提出了一种在零源-探测器分离时基于时间分辨反射率测量的扩散介质中成像的新颖方法。与通常采用20-40 mm间隔的经典方法相比,此方法可产生更好的空间分辨率和对比度。通过对扩散理论的解析扰动方法和蒙特卡洛模拟获得结果。还讨论了使用最新技术的实际实现以及基于使用小但非空的源-检测器分离的互补方法的性能。

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