Analysis of computed tomographic imaging spectrometers. I. Spatial and spectral resolution

Nathan Hagen; Eustace L. Dereniak

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Analysis of computed tomographic imaging spectrometers. I. Spatial and spectral resolution

机译：分析计算机断层成像光谱仪。一，空间和光谱分辨率

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Computed tomographic imaging spectrometers measure the spectrally resolved image of an object scene in an entirely different manner from traditional whisk-broom or push-broom systems, and thus their noise behavior and data artifacts are unfamiliar. We review computed tomographic imaging spectrometry (CTIS) measurement systems and analyze their performance, with the aim of providing a vocabulary for discussing resolution in CTIS instruments, by illustrating the artifacts present in their reconstructed data and contributing a rule-of-thumb measure of their spectral resolution. We also show how the data reconstruction speed can be improved, at no cost in reconstruction quality, by ignoring redundant projections within the measured raw images.

机译：计算机断层成像光谱仪以与传统的扫帚扫帚或推扫帚扫帚系统完全不同的方式测量对象场景的光谱分辨图像，因此它们的噪声行为和数据伪影都不熟悉。我们回顾了计算机断层扫描成像光谱（CTIS）测量系统，并分析了它们的性能，旨在通过说明其重建数据中存在的伪像并为其提供经验法则度量，从而为讨论CTIS仪器中的分辨率提供词汇光谱分辨率。我们还展示了如何通过忽略测量的原始图像中的多余投影来免费提高数据重建速度，而不会降低重建质量。

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《Applied optics》 |2008年第28期|共11页
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Nathan Hagen; Eustace L. Dereniak;
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1. Analysis of computed tomographic imaging spectrometers. I. Spatial and spectral resolution [J] . Nathan Hagen, Eustace L. Dereniak Applied optics . 2008,第28期

机译：分析计算机断层成像光谱仪。一，空间和光谱分辨率
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8. Forest Classification with High Resolution Satellite Images. Research into theUse of Spatial Information to Improve the Multi-Spectral Classification with Spot Images [R] . 1990

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Analysis of computed tomographic imaging spectrometers. I. Spatial and spectral resolution

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