Development of image reconstruction algorithms for fluorescence diffuse optical tomography using total light approach

S. Okawa; H. Yamamoto; Y. Miwa; Y. Yamada

doi:10.1117/12.889958

14 June 2011 Development of image reconstruction algorithms for fluorescence diffuse optical tomography using total light approach

S. Okawa, H. Yamamoto, Y. Miwa, Y. Yamada

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Proceedings Volume 8088, Diffuse Optical Imaging III; 80880X (2011) https://doi.org/10.1117/12.889958
Event: European Conferences on Biomedical Optics, 2011, Munich, Germany

Abstract

Fluorescence diffuse optical tomography (FDOT) based on the total light approach is developed. The continuous wave light is used for excitation in this system. The reconstruction algorithm is based on the total light approach that reconstructs the absorption coefficients increased by the fluorophore. Additionally we propose noise reduction using the algebraic reconstruction technique (ART) incorporating the truncated singular value decomposition (TSVD). Numerical and phantom experiments show that the developed system successfully reconstructs the fluorophore concentration in the biological media, and the ART with TSVD alleviates the influence of noises. In vivo experiment demonstrated that the developed FDOT system localized the fluorescent agent which was concentrated in the cancer transplanted into a kidney in a mouse.

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S. Okawa, H. Yamamoto, Y. Miwa, and Y. Yamada "Development of image reconstruction algorithms for fluorescence diffuse optical tomography using total light approach", Proc. SPIE 8088, Diffuse Optical Imaging III, 80880X (14 June 2011); https://doi.org/10.1117/12.889958

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KEYWORDS

Reconstruction algorithms

Luminescence

Optical properties

Algorithm development

Diffuse optical tomography

Image restoration

Absorption

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