Criterion to Evaluate the Quality of Infrared Small Target Images

In this paper, we propose a new criterion to estimate the quality of infrared small target images. To describe the criterion quantitatively, two indicators are defined. One is the “degree of target being confused” that represents the ability of infrared small target image to provide fake targets. Th...

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Bibliographic Details
Published in:Journal of Infrared, Millimeter, and Terahertz Waves Millimeter, and Terahertz Waves, 2009-01, Vol.30 (1), p.56-64
Main Authors: Mao, Xia, Diao, Wei-he
Format: Article
Language:English
Subjects:
Classical Electrodynamics
Electrical Engineering
Electronics and Microelectronics
Engineering
Instrumentation
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Summary:In this paper, we propose a new criterion to estimate the quality of infrared small target images. To describe the criterion quantitatively, two indicators are defined. One is the “degree of target being confused” that represents the ability of infrared small target image to provide fake targets. The other one is the “degree of target being shielded”, which reflects the contribution of the image to shield the target. Experimental results reveal that this criterion is more robust than the traditional method (Signal-to-Noise Ratio). It is not only valid to infrared small target images which Signal-to-Noise Ratio could correctly describe, but also to the images that the traditional criterion could not accurately estimate. In addition, the results of this criterion can provide information about the cause of background interfering with target detection.
ISSN:1866-6892
1572-9559
1866-6906
DOI:10.1007/s10762-008-9410-5