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Real-time diffuse optical tomography based on structured illumination
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DOI：10.1117/1.3290818.png)
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A new optical acquisition scheme based on a pair of digital micromirror devices is developed and applied to three-dimensional tomographic imaging of turbid media. By using pairs of illumination-detection patterns with a single detector, we were able to perform high-resolution quantitative volumetric imaging of absorption heterogeneities embedded in optically thick samples. Additionally, a tomographic reconstruction algorithm was implemented on a graphical processor unit to provide optical reconstructions at a frame rate of 2 Hz. The structured illumination method proposed in this work has significant cost advantages over camera systems, as only a single detector is required. This configuration also has the potential to increase frame rate. (C) 2010 Society of Photo-Optical Instrumentation Engineers. [DOI: 10.1117/1.3290818]
Keyword:
digital micromirror devices (DMDs)
diffuse optical imaging
real-time imaging
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2.9
论文数:
7.4K
被引数:
1.4W
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