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Open AccessArticle

Investigating Detectability of Infrared Radiation Based on Image Evaluation for Engine Flame

1
The Science and Technology on Optical Radiation Laboratory, Beijing 100854, China
2
School of Information and Communication Engineering, University of Electronic Science and Technology of China, Chengdu 611731, China
3
Laboratory of Imaging Detection and Intelligent Perception, University of Electronic Science and Technology of China, Chengdu 610054, China
*
Author to whom correspondence should be addressed.
Entropy 2019, 21(10), 946; https://doi.org/10.3390/e21100946
Received: 4 September 2019 / Revised: 22 September 2019 / Accepted: 25 September 2019 / Published: 27 September 2019
(This article belongs to the Special Issue Entropy in Image Analysis II)
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’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. View Full-Text
Keywords: atmosphere background; engine flame; infrared radiation; detectability; image quality evaluation atmosphere background; engine flame; infrared radiation; detectability; image quality evaluation
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Li, X.; Wang, J.; Li, M.; Peng, Z.; Liu, X. Investigating Detectability of Infrared Radiation Based on Image Evaluation for Engine Flame. Entropy 2019, 21, 946.

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