Signal-to-noise-ratio expressions in optical diffusion tomography

被引：3
|
作者：
Matson, CL [1 ]
机构：
[1] USAF, Res Lab, Kirtland AFB, NM 87117 USA
来源：
JOURNAL OF THE OPTICAL SOCIETY OF AMERICA A-OPTICS IMAGE SCIENCE AND VISION | 2002年 / 19卷 / 05期
关键词：
D O I：
10.1364/JOSAA.19.000961
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Optical diffusion tomography is a technology that is employed to obtain images of the heterogeneous nature of turbid media by using optical radiation. Noise ultimately limits the achievable spatial resolution in these reconstructed images; therefore it is of interest to develop signal-to-noise-ratio expressions that relate spatial resolution in the images to the underlying system and material properties. In this study, Fourier-domain signal-to-noise-ratio expressions are derived for two types of optical diffusion tomography systems: those that use amplitude-modulated illumination sources and those that use continuous-wave illumination sources. The signal-to-noise-ratio expressions are compared for these two types of systems and are validated by laboratory data. (C) 2002 Optical Society of America.
引用
收藏
页码：961 / 972
页数：12
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