{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,12]],"date-time":"2025-10-12T03:47:13Z","timestamp":1760240833071,"version":"build-2065373602"},"reference-count":25,"publisher":"MDPI AG","issue":"10","license":[{"start":{"date-parts":[[2019,9,27]],"date-time":"2019-09-27T00:00:00Z","timestamp":1569542400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["61571096","61775030"],"award-info":[{"award-number":["61571096","61775030"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"name":"the Key Laboratory Fund of Beam Control, Chinese Academy of Science","award":["2017LBC003"],"award-info":[{"award-number":["2017LBC003"]}]},{"name":"Sichuan Science and Technology Program","award":["2019YJ0167"],"award-info":[{"award-number":["2019YJ0167"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Entropy"],"abstract":"<jats:p>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\u2019s 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.<\/jats:p>","DOI":"10.3390\/e21100946","type":"journal-article","created":{"date-parts":[[2019,9,27]],"date-time":"2019-09-27T11:14:35Z","timestamp":1569582875000},"page":"946","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":8,"title":["Investigating Detectability of Infrared Radiation Based on Image Evaluation for Engine Flame"],"prefix":"10.3390","volume":"21","author":[{"given":"Xia","family":"Li","sequence":"first","affiliation":[{"name":"The Science and Technology on Optical Radiation Laboratory, Beijing 100854, China"}]},{"given":"Jun","family":"Wang","sequence":"additional","affiliation":[{"name":"The Science and Technology on Optical Radiation Laboratory, Beijing 100854, China"},{"name":"School of Information and Communication Engineering, University of Electronic Science and Technology of China, Chengdu 611731, China"}]},{"given":"Meihui","family":"Li","sequence":"additional","affiliation":[{"name":"School of Information and Communication Engineering, University of Electronic Science and Technology of China, Chengdu 611731, China"},{"name":"Laboratory of Imaging Detection and Intelligent Perception, University of Electronic Science and Technology of China, Chengdu 610054, China"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4148-3331","authenticated-orcid":false,"given":"Zhenming","family":"Peng","sequence":"additional","affiliation":[{"name":"School of Information and Communication Engineering, University of Electronic Science and Technology of China, Chengdu 611731, China"},{"name":"Laboratory of Imaging Detection and Intelligent Perception, University of Electronic Science and Technology of China, Chengdu 610054, China"}]},{"given":"Xingrun","family":"Liu","sequence":"additional","affiliation":[{"name":"The Science and Technology on Optical Radiation Laboratory, Beijing 100854, China"}]}],"member":"1968","published-online":{"date-parts":[[2019,9,27]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"208","DOI":"10.1016\/j.infrared.2009.12.001","article-title":"Detectability of infrared small targets","volume":"53","author":"Huang","year":"2010","journal-title":"Infrared Phys. 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