Modified SART with changing relaxation factor (CRF-MSART) applied to optical CT in finitely orthogonal views

Yi Wang; Qun Hao; Yongtian Wang

doi:10.1117/12.574563

10 February 2005 Modified SART with changing relaxation factor (CRF-MSART) applied to optical CT in finitely orthogonal views

Yi Wang, Qun Hao, Yongtian Wang

Author Affiliations +

Proceedings Volume 5638, Optical Design and Testing II; (2005) https://doi.org/10.1117/12.574563
Event: Photonics Asia, 2004, Beijing, China

Abstract

Optical Computed Tomography (OCT) is available for 3-D distribution of solution’s refractive index. The 3-D distribution can be fitted up with divers 2-D slices. Thus, the discrete mathematical model of 3-D refractive index data reconstruction can be framed in a linear ill-posed problem. We proposed a practical reconstruction algorithm, Modified SART with Changing Relaxation Factor based on Simulated Annealing algorithm (CRF-MART), which is a modification of Simultaneous Algebraic Reconstruction Technique (SART). Furthermore, a computer simulation of the reconstruction algorithm was taken in the case of incomplete data. It is shown that reconstructed results have better smoothness and smaller residual, which are a good approximation to the true value.

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Yi Wang, Qun Hao, and Yongtian Wang "Modified SART with changing relaxation factor (CRF-MSART) applied to optical CT in finitely orthogonal views", Proc. SPIE 5638, Optical Design and Testing II, (10 February 2005); https://doi.org/10.1117/12.574563

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