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29 October 1997 Multisensor data fusion method to discern point targets
Hong Li, Wei An, Hui Xu, Zhongkang Sun
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Proceedings Volume 3163, Signal and Data Processing of Small Targets 1997; (1997) https://doi.org/10.1117/12.279540
Event: Optical Science, Engineering and Instrumentation '97, 1997, San Diego, CA, United States
Abstract
Two different vehicles which have the same shapes and sizes fly together in upper space at the same velocity. The vehicles are so far away from the sensors that the acquired images are point targets. No shape information can be gotten. These two vehicles fly together and no motion characteristics may be used. Therefore the infrared (IR) radiation characteristics of them are important for discerning these two vehicles. In this paper, three ground-based IR sensors are used to get the IR radiation spectrum of the point targets, and twelve IR characteristics are selected for recognizing them. First, a BP network is used to recognize the point targets at each base. Then a subjective Bayesian method is adopted to fuse the recognized results given by BP networks on three bases at the same time. And the result given by Bayesian is fused by D-S evidence theory with the result at next time till the belief function is more than threshold. The emulation shows that the last outputs is satisfactory.
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Hong Li, Wei An, Hui Xu, and Zhongkang Sun "Multisensor data fusion method to discern point targets", Proc. SPIE 3163, Signal and Data Processing of Small Targets 1997, (29 October 1997); https://doi.org/10.1117/12.279540
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KEYWORDS
Infrared radiation
Data fusion
Infrared imaging
Target recognition
Infrared sensors
Sensors
Target acquisition
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