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Laser Doppler projection tomography

机译:激光多普勒投影断层扫描

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摘要

We propose a laser Doppler projection tomography (LDPT) method to obtain visualization of three-dimensional (3D) flowing structures. With LDPT, the flowing signal is extracted by a modified laser Doppler method, and the 3D flowing image is reconstructed by the filtered backprojection algorithm. Phantom experiments are performed to demonstrate that LDPT is able to obtain 3D flowing structure with higher signal-to-noise ratio and spatial resolution. Our experiment results display its potentially useful application to develop 3D label-free optical angiography for the circulation system of live small animal models or microfluidic experiments.
机译:我们提出了一种激光多普勒投影层析成像(LDPT)方法来获得三维(3D)流动结构的可视化。使用LDPT,通过改进的激光多普勒方法提取流动信号,并通过滤波反投影算法重建3D流动图像。进行虚拟实验以证明LDPT能够获得具有更高信噪比和空间分辨率的3D流动结构。我们的实验结果显示出其潜在的有用应用,以开发用于活体小动物模型或微流体实验循环系统的3D无标记光学血管造影。

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