Optical Tomography on Simple Riemannian Surfaces

Optical Tomography on Simple Riemannian Surfaces
复制标题

简单黎曼曲面上的光学层析成像

DOI:
10.1080/03605300500258923
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发表时间:
2005
影响因子:
1.9
通讯作者:
S. McDowall
S. McDowall
中科院分区:
数学2区
文献类型:
--
作者:
S. McDowall

文献摘要

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光学层析成像是指利用近红外光来确定介质的光学吸收和散射特性。在平稳欧几里德的情况下,动力学模型的辐射传输方程,它假设,在没有相互作用,粒子遵循直线。在这里,我们将研究存在黎曼度量的问题,其中粒子遵循度量的测地线流。特别是,我们研究的问题,在第二个维度,其中的分析是更微妙的比在更高的维度的情况下。
ABSTRACT Optical tomography means the use of near-infrared light to determine the optical absorption and scattering properties of a medium. In the stationary Euclidean case the dynamics are modeled by the radiative transport equation, which assumes that, in the absence of interaction, particles follow straight lines. Here we shall study the problem in the presence of a Riemannian metric where particles follow the geodesic flow of the metric. In particular, we study the problem in dimension two, where the analysis is more delicate than in the higher dimensional cases.