A novel salient object detection algorithm for space debris in star images

Lei Liu; Zhaodong Niu; Quan Sun; Yabo Li

doi:10.1117/12.3003969

11 October 2023 A novel salient object detection algorithm for space debris in star images

Lei Liu, Zhaodong Niu, Quan Sun, Yabo Li

Proceedings Volume 12800, Sixth International Conference on Computer Information Science and Application Technology (CISAT 2023); 128000T (2023) https://doi.org/10.1117/12.3003969
Event: 6th International Conference on Computer Information Science and Application Technology (CISAT 2023), 2023, Hangzhou, China

Abstract

Space debris detection is of great significance for maintaining the safety of space activities and the sustainable use of space. Visible light detection has the advantages of long detection distance, high image resolution, simultaneous detection of multiple targets and small size, it is one of the important means of space target observation. In the case of long-exposure shooting of ground-based or space-based optical observation platforms, whether in target tracking mode or star gaze mode, there are large morphological differences between stars and space debris in the obtained star image. In order to detect dim small space debris more accurately, in this paper, we propose a new salient small target detection network which is named SD-Net in grayscale images (Space debris detection network). Specifically, we designed a new bi-directional attention aggregation module and used it to generate a weight map as auxiliary information to enhance the network's ability to learn object morphological information. And in order to further enhance the detection ability and robustness of the network, we add a multi-scale feature fusion module and use it for the final step of prediction at the end of network. Experiments result show that our proposed algorithm can detect a small amount of space debris well and is competitive in all evaluation indicators.

(2023) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Lei Liu, Zhaodong Niu, Quan Sun, and Yabo Li "A novel salient object detection algorithm for space debris in star images", Proc. SPIE 12800, Sixth International Conference on Computer Information Science and Application Technology (CISAT 2023), 128000T (11 October 2023); https://doi.org/10.1117/12.3003969

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KEYWORDS

Target detection

Stars

Detection and tracking algorithms

Object detection

Data modeling

Feature extraction

Deep learning

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