Rendering of inhomogeneous volumes using perturbation functions

Olexandr Romanyuk; Oksana Romanyuk; Roman Chekhmestruk; Pavlo Mykhaylov; Mariana Kovtonyuk; Iryna Baranovska; Svitlana Nahorniak; Olena Hrechanovska; Zbigniew Omiotek; Aida Uvaysova

doi:10.1117/12.2659703

12 December 2022 Rendering of inhomogeneous volumes using perturbation functions

Olexandr Romanyuk, Oksana Romanyuk, Roman Chekhmestruk, Pavlo Mykhaylov, Mariana Kovtonyuk, Iryna Baranovska, Svitlana Nahorniak, Olena Hrechanovska, Zbigniew Omiotek, Aida Uvaysova

Author Affiliations +

Proceedings Volume 12476, Photonics Applications in Astronomy, Communications, Industry, and High Energy Physics Experiments 2022; 124760O (2022) https://doi.org/10.1117/12.2659703
Event: Photonics Applications in Astronomy, Communications, Industry, and High Energy Physics Experiments 2022, 2022, Lublin, Poland

Abstract

A method for rendering inhomogeneous volumes using perturbation functions is presented. An approach is proposed for sampling light transmission paths in heterogeneous media. At the initial stage of calculations, light transmission paths are constructed in a closed form. Then the heterogeneous component is averaged by adding a formal medium. Next, the path-tracking algorithm is used. Due to this, there is no need to calculate strict boundaries of the attenuation function. Samples in the closed-form light transmission path and the averaged medium are made separately. This minimizes the costly calculations of collision coefficients that change when traversing space.

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Olexandr Romanyuk, Oksana Romanyuk, Roman Chekhmestruk, Pavlo Mykhaylov, Mariana Kovtonyuk, Iryna Baranovska, Svitlana Nahorniak, Olena Hrechanovska, Zbigniew Omiotek, and Aida Uvaysova "Rendering of inhomogeneous volumes using perturbation functions", Proc. SPIE 12476, Photonics Applications in Astronomy, Communications, Industry, and High Energy Physics Experiments 2022, 124760O (12 December 2022); https://doi.org/10.1117/12.2659703

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KEYWORDS

Monte Carlo methods

Scattering

Detection and tracking algorithms

Absorption

Signal attenuation

Light scattering

Modeling

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