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20 February 2008 A self-normalized full time-resolved scheme for fluorescence diffuse optical tomography
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A full time-resolved scheme that has been previously applied in diffuse optical tomography is extended to time-domain fluorescence diffuse optical tomography regime, based on a finite-element-finite-time-difference photon diffusion modeling and a Newton-Raphson inversion framework. The merits of using full time-resolved data are twofold: it helps evaluate the intrinsic performance of time-domain mode for improvement of image quality and set up a 'gold standard' for the development of computationally efficient featured-data-based algorithms, and provides a self-normalized implementation to preclude the necessary for the scaling-factor calibration and spectroscopic-feature assessments of the system as well as to overcome the adversity of system instability. We validate the proposed methodology using simulated data, and evaluate its performances in simultaneously recovering the fluorescent yield and lifetime as well as its superiority to the featured-data one in the fidelity of image reconstruction.
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Feng Gao, Limin Zhang, Huiyuan He, Huijuan Zhao, Jingying Jiang, Yukari Tanikawa, Andhi Marjono, and Yukio Yamada "A self-normalized full time-resolved scheme for fluorescence diffuse optical tomography", Proc. SPIE 6850, Multimodal Biomedical Imaging III, 68500N (20 February 2008);

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