A new method of small target detection based on neural network

Jing Hu D.D.S.; Yongli Hu; Xinxin Lu

doi:10.1117/12.2285178

19 February 2018 A new method of small target detection based on neural network

Jing Hu D.D.S., Yongli Hu, Xinxin Lu

Proceedings Volume 10608, MIPPR 2017: Automatic Target Recognition and Navigation; 106080H (2018) https://doi.org/10.1117/12.2285178
Event: Tenth International Symposium on Multispectral Image Processing and Pattern Recognition (MIPPR2017), 2017, Xiangyang, China

Abstract

The detection and tracking of moving dim target in infrared image have been an research hotspot for many years. The target in each frame of images only occupies several pixels without any shape and structure information. Moreover, infrared small target is often submerged in complicated background with low signal-to-clutter ratio, making the detection very difficult. Different backgrounds exhibit different statistical properties, making it becomes extremely complex to detect the target. If the threshold segmentation is not reasonable, there may be more noise points in the final detection, which is unfavorable for the detection of the trajectory of the target. Single-frame target detection may not be able to obtain the desired target and cause high false alarm rate. We believe the combination of suspicious target detection spatially in each frame and temporal association for target tracking will increase reliability of tracking dim target. The detection of dim target is mainly divided into two parts, In the first part, we adopt bilateral filtering method in background suppression, after the threshold segmentation, the suspicious target in each frame are extracted, then we use LSTM(long short term memory) neural network to predict coordinates of target of the next frame. It is a brand-new method base on the movement characteristic of the target in sequence images which could respond to the changes in the relationship between past and future values of the values. Simulation results demonstrate proposed algorithm can effectively predict the trajectory of the moving small target and work efficiently and robustly with low false alarm.

Citation Download Citation

Jing Hu D.D.S., Yongli Hu, and Xinxin Lu "A new method of small target detection based on neural network", Proc. SPIE 10608, MIPPR 2017: Automatic Target Recognition and Navigation, 106080H (19 February 2018); https://doi.org/10.1117/12.2285178

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