一种空时域结合滤波的运动弱小目标检测方法

doi:10.3969/j.issn.1001-2400.2010.03.025

Abstract

Abstract:

The trajectories of dim point targets are always continuous in infrared image sequences. This can be used to improve the detection ability of the temporal based detection algorithms. In this paper, we present a spatial and temporal combined detection algorithm which utilizes both spatial and temporal information on moving dim point targets. Based on the analysis of the probable trajectories of moving dim point targets, a group of filter templates are constructed. And the trajectory of the dim moving target is obtained by using the constructed template to filter the temporal detection result. Also the target occurrence time in each pixel is extracted from the temporal based algorithm to further eliminate interference of the background. Since our new algorithm uses both spatial and temporal information on dim moving targets, it can have a better detection performance than the temporal based detection algorithm. Experiments with real infrared image sequences have proved the validity of the new approach.

Key words: infrared image sequences, moving dim point targets, detectors, filter

WANG Bo;ZHANG Jian-qi. Moving dim point target detection based on the spatial and temporal combined filter[J].J4, 2010, 37(3): 524-528.

References

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Moving dim point target detection based on the spatial and temporal combined filter

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