Investigating Detectability of Infrared Radiation Based on Image Evaluation for Engine Flame
| Autor: | Li Xia, Wang Jun, Liu Xingrun, Zhenming Peng, Meihui Li |
|---|---|
| Jazyk: | angličtina |
| Rok vydání: | 2019 |
| Předmět: |
Materials science
Infrared Image quality 0211 other engineering and technologies General Physics and Astronomy lcsh:Astrophysics 02 engineering and technology Astrophysics::Cosmology and Extragalactic Astrophysics Radiation 01 natural sciences Article Particle detector Physics::Geophysics 010309 optics Optics Interference (communication) engine flame 0103 physical sciences lcsh:QB460-466 lcsh:Science atmosphere background Astrophysics::Galaxy Astrophysics 021101 geological & geomatics engineering Background radiation Jet (fluid) business.industry image quality evaluation lcsh:QC1-999 Plume detectability Physics::Space Physics infrared radiation lcsh:Q Astrophysics::Earth and Planetary Astrophysics business lcsh:Physics |
| Zdroj: | Entropy, Vol 21, Iss 10, p 946 (2019) Entropy Volume 21 Issue 10 |
| ISSN: | 1099-4300 |
| Popis: | Aiming at the application requirements of infrared detection, the influence of earth background interference on plume radiation detection is investigated and discussed in this article. The infrared image of the earth&rsquo s atmospheric background radiation is simulated by the spectral correlation based on the conversion model of the surface radiation with different bands. The infrared radiation image of the jet flame and the background is generated by overlapping the infrared radiation of the engine flame and the background radiation according to the detection angle of view. Through the image quality evaluation model, the detectability of the flame is analyzed. The simulating results show that the comprehensive statistical features such as image information entropy, variance and signal-to-clutter ratio can be used to evaluate the detectability of the engine flame. |
| Databáze: | OpenAIRE |
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