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25 February 2006 Development and system characteristics of diffuse optical tomography using single rotating-source/detector mechanism
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Abstract
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.
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Min-Chun Pan, Wei-Hua Huang, Chien-Hung Chen, and Min-Cheng Pan "Development and system characteristics of diffuse optical tomography using single rotating-source/detector mechanism", Proc. SPIE 6080, Advanced Biomedical and Clinical Diagnostic Systems IV, 60800D (25 February 2006); https://doi.org/10.1117/12.645044
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