Extended-Kalman-filter-based reconstruction approach to curved ray optical tomography

Naren Naik; Ram M. Vasu

doi:10.1117/12.346775

29 April 1999 Extended-Kalman-filter-based reconstruction approach to curved ray optical tomography

Naren Naik, Ram M. Vasu

Proceedings Volume 3729, Selected Papers from International Conference on Optics and Optoelectronics '98; (1999) https://doi.org/10.1117/12.346775
Event: Selected Papers from the International Conference on Optics and Optoelectronics, 1998, Dehradun, India

Abstract

We present an extended Kalman filter (EKF) based approach to the reconstruction problem in curved ray optical tomography. A state variable model describing the tomographic process is set up, and an EKF is applied to the model to estimate the refractive index distribution of an optically transparent refracting object from noisy optical path-length difference data. Preliminary results of reconstructions of a synthetic time-invariant refractive index distribution from projection data of various noise levels are comparable with those obtained from a typically used deterministic approach, the average correction per projection method.

Citation Download Citation

Naren Naik and Ram M. Vasu "Extended-Kalman-filter-based reconstruction approach to curved ray optical tomography", Proc. SPIE 3729, Selected Papers from International Conference on Optics and Optoelectronics '98, (29 April 1999); https://doi.org/10.1117/12.346775

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