Artificial Satellite Trails Detection Using U-Net Deep Neural Network and Line Segment Detector Algorithm

• URL: http://arxiv.org/abs/2509.16771v1
• Date: Sat, 20 Sep 2025 18:38:30 GMT
• Title: Artificial Satellite Trails Detection Using U-Net Deep Neural Network and Line Segment Detector Algorithm
• Authors: Xiaohan Chen, Hongrui Gu, Cunshi Wang, Haiyang Mu, Jie Zheng, Junju Du, Jing Ren, Zhou Fan, Jing Li,
• Abstract summary: We propose a satellite trail detection model that combines the U-Net deep neural network for image segmentation with the Line Segment Detector (LSD) algorithm.<n>The model is trained on 375 simulated images of satellite trails, generated using data from the Mini-SiTian Array.<n>When applied to real observational data from the Mini-SiTian Array, the model achieves a recall of 79.57 and a precision of 74.56.
• Score: 12.216461590186805
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: With the rapid increase in the number of artificial satellites, astronomical imaging is experiencing growing interference. When these satellites reflect sunlight, they produce streak-like artifacts in photometry images. Such satellite trails can introduce false sources and cause significant photometric errors. As a result, accurately identifying the positions of satellite trails in observational data has become essential. In this work, we propose a satellite trail detection model that combines the U-Net deep neural network for image segmentation with the Line Segment Detector (LSD) algorithm. The model is trained on 375 simulated images of satellite trails, generated using data from the Mini-SiTian Array. Experimental results show that for trails with a signal-to-noise ratio (SNR) greater than 3, the detection rate exceeds 99. Additionally, when applied to real observational data from the Mini-SiTian Array, the model achieves a recall of 79.57 and a precision of 74.56.

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