Inhomogeneity detection in diffuse optical imaging using conformal mapping

A. Yu. Potlov; S. V. Frolov; S. G. Proskurin

doi:10.1117/12.2178303

19 March 2015 Inhomogeneity detection in diffuse optical imaging using conformal mapping

A. Yu. Potlov, S. V. Frolov, S. G. Proskurin

Proceedings Volume 9448, Saratov Fall Meeting 2014: Optical Technologies in Biophysics and Medicine XVI; Laser Physics and Photonics XVI; and Computational Biophysics; 944805 (2015) https://doi.org/10.1117/12.2178303
Event: Saratov Fall Meeting 2014, 2014, Saratov, Russian Federation

Abstract

A new method of an optical inhomogeneity detection in strongly scattering media having optical properties of biological tissue Time-Resolved Diffuse Optical Tomography (TR-DOT) is described. The method is based on preliminary processing of a three-dimensional surfaces obtained from the set of time-resolved data in the Cartesian coordinate system, followed by their conformal transform into surfaces in the cylindrical coordinate system. The key feature of the method is application of Late-Arriving Photons (LAP) diffusely transmitted through turbid objects. (i) LAP of each TPSF (Time Point Spread Function) standardized for a minimum angle; (ii) the resulting normalized function approximated by straight lines; (iii) normalized function is modified with the additional factor, K; (iv) final transform to the cylindrical coordinates.

Citation Download Citation

A. Yu. Potlov, S. V. Frolov, and S. G. Proskurin "Inhomogeneity detection in diffuse optical imaging using conformal mapping", Proc. SPIE 9448, Saratov Fall Meeting 2014: Optical Technologies in Biophysics and Medicine XVI; Laser Physics and Photonics XVI; and Computational Biophysics, 944805 (19 March 2015); https://doi.org/10.1117/12.2178303

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