Radon transform iteration based on beam-deflection optical tomography

Gao, Yiqing; He, Xiaoying; Gong, Yongqing

doi:10.1117/12.402637

SPIE Proceedings

2000

DOI: 10.1117/12.402637

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Radon transform iteration based on beam-deflection optical tomography

Yiqing Gao¹,

Xiaoying He²,

Yongqing Gong³

Abstract: In this paper , the reconstruction precision of Radon transform iteration based on beam-deflection optical tomography , which is used for 3-D temperature fields , has been studied by computer simulation on the prior knowledge of these fields. As an example , the method has been used to reconstruct the arc temperature fields

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2009

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An online emission spectral tomography system with digital signal processor

Xiong¹,

Xiong²,

Zhang³

et al. 2009

Opt. Express

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Emission spectral tomography (EST) has been adopted to test the three-dimensional distribution parameters of fluid fields, such as burning gas, flame and plasma etc. In most cases, emission spectral data received by the video cameras are enormous so that the emission spectral tomography calculation is often time-consuming. Hence, accelerating calculation becomes the chief factor that one must consider for the practical application of EST. To solve the problem, a hardware implementation method was proposed in this paper, which adopted a digital signal processor (DSP) DM642 in an emission spectral tomography test system. The EST algorithm was fulfilled in the DSP, then calculation results were transmitted to the main computer via the user datagram protocol. Compared with purely VC++ software implementations, this new approach can decrease the calculation time significantly.

show abstract

An online emission spectral tomography system with digital signal processor

Xiong¹,

Xiong²,

Zhang³

et al. 2009

Opt. Express

View full text Add to dashboard Cite

show abstract

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Radon transform iteration based on beam-deflection optical tomography

Cited by 1 publication

References 0 publications

An online emission spectral tomography system with digital signal processor

An online emission spectral tomography system with digital signal processor

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