Abstract
In the infrared small target detection, the clutter formed by buildings, trees and protruding clouds is densely distributed and difficult to filter out. The hysteresis threshold detection algorithm utilizes the geometric features of small target to reduce false alarms. Images are filtered in multiple scales, the location and scale of the points of interest are extracted by non-maximum suppression. To determine the connection state of the focus and clutter, local gradient second-order origin moment is proposed to eliminate strong edges. The hysteresis threshold segmentation is performed to exclude stubborn false alarms and detect small targets. Experiments show that the proposed algorithm has a significant effect in removing false alarms, and achieves both the high detection probability and low false alarm probability.
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This research was funded by the National Natural Science Foundation of China Grant No. 61271376; Natural Science Foundation of Anhui Province Grant No. 1208085MF114.
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Wei, Y., Cheng, Z., Zhu, B. et al. Multiscale hysteresis threshold detection algorithm for a small infrared target in a complex background. Opt Quant Electron 51, 98 (2019). https://doi.org/10.1007/s11082-019-1808-x
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DOI: https://doi.org/10.1007/s11082-019-1808-x