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1 October 1997 Diffuse optical tomography based on a WKB approximation
Fanan Zeng, Gang Zhang, Feng Liu, Robert R. Alfano
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Journal of Biomedical Optics, Vol. 2, Issue 4, (October 1997). https://doi.org/10.1117/12.285090
Abstract
An image reconstruction algorithm based on a Wentzel–Kramers–Brillouin (WKB) approximation in thefrequency domain in terms of path integration is tested with both simulated and experimental data. Thealgorithm can be used with full frequency domain data (amplitude modulation and phase shift), or partialdata (amplitude or phase shift). This algorithm reconstructs an image of photon density wave propagation factor k without knowing the optical parameters of the background medium. Reconstruction was performed for data sets of different modulation frequencies and different detector geometries. The reconstruction time on a SUN-SPARC 5 station was about 5 min for images with a 128×128 pixel size.
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Fanan Zeng, Gang Zhang, Feng Liu, and Robert R. Alfano "Diffuse optical tomography based on a WKB approximation," Journal of Biomedical Optics 2(4), (1 October 1997). https://doi.org/10.1117/12.285090
Published: 1 October 1997
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KEYWORDS
Modulation
Sensors
Reconstruction algorithms
Diffusion
Image restoration
Scattering
Phase shifts
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