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首页> 外文会议>Advanced Biomedical and Clinical Diagnostic Systems IV; Progress in Biomedical Optics and Imaging; vol.7 no.3 >Development and System Characteristics of Diffuse Optical Tomography Using Single Rotating-Source/Detector Mechanism
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Development and System Characteristics of Diffuse Optical Tomography Using Single Rotating-Source/Detector Mechanism

机译：使用单旋转源/检测器机构的漫射光学层析成像的发展和系统特性

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摘要

Diffuse optical tomography (DOT) using diffuse light, red or near-infrared (NIR) light, is in an attempt to image the interior of human tissues such as breasts, arms, etc. In the current design of our NIR tomography imaging system, the system uses a single rotating source/detector scanning device associated with an image reconstruction scheme. The device can dramatically save source- and detection-fiber-bundles, and offer promising measured radiance reflecting the optical properties of the test phantoms. Both source and detector can rotate on command with any pre-defined angles controlled by the computer. Additionally, an image reconstruction algorithm applied to the tomography scanning device in the DC domain is also implemented. The ability and performance of this image reconstruction algorithm are discussed and presented. Results reveal that inclusion (tumor) positions can be well defined and the spatial resolution is beyond 1:16, inclusion to background.
机译：使用漫射光，红色或近红外（NIR）光的漫射光学层析成像（DOT）试图对人体组织（如乳房，手臂等）的内部成像。在我们目前的NIR层析成像系统的设计中，该系统使用与图像重建方案相关的单个旋转源/探测器扫描设备。该设备可以大大节省光源和检测光纤的束，并提供可反映测试体模光学特性的有希望的测量辐射度。源和探测器都可以按照命令以计算机控制的任何预定义角度旋转。另外，还实现了应用于DC域中的断层扫描设备的图像重建算法。讨论并介绍了这种图像重建算法的功能和性能。结果表明，包含物（肿瘤）的位置可以很好地定义，并且空间分辨率超过1:16，包含到背景中。

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