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Autonomous measurement and semantic segmentation of non-cooperative targets with deep convolutional neural networks

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Abstract

In spatial missions, it is important to estimate kinematic state and to identify the shape of non-cooperative targets. In order to improve the accuracy and generality of the existing algorithm, a real-time recognition and detection method for tumbling non-cooperative target is proposed. First, we design a key point detection network to identify non-cooperative targets and their feature points in the process of long-distance non-cooperative target recognition. At the same time, the detected image is combined with the PNP algorithm to obtain the target’s 6D attitude. Then, a BiSeNet based model is trained for real-time semantic segmentation of satellite components as the base satellite is pursued close to its target. The segmented image is selected with depth information and the relative position of the capturing point is transmitted to the manipulator. Finally, we complete physical experiments under different lighting conditions with a spinning non-cooperative target on a 6-DOF air-bearing table. The experimental results show that the satellite recognition accuracy and object segmentation accuracy are 99.48% and 98.11%, respectively. The position measurement error is less than 1 mm, which achieves more than 50% improvement over the conventional methods.

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Notes

  1. Our dataset and program code are public; you can contact us by email if you need. duhang2020@foxmail.com.

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Acknowledgements

This work was supported by the National Key Research and Development Program of China (Grant No. 2018AAA0102700, 2018AAA0102702), the Nature Program of the National Natural Science Foundation of China (Grant No. 61690210, 61690215), Science and Technology on Space Intelligent Control Laboratory (KGJZDSYS-2018-02), Beijing Major Science and Technology Projects (No. Z181100003118011), and Civil Space Technology Advanced Research Projects of China.

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Correspondence to Haidong Hu.

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Du, H., Hu, H., Wang, D. et al. Autonomous measurement and semantic segmentation of non-cooperative targets with deep convolutional neural networks. J Ambient Intell Human Comput 14, 6959–6973 (2023). https://doi.org/10.1007/s12652-021-03553-7

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  • DOI: https://doi.org/10.1007/s12652-021-03553-7

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