International Journal of Automotive Engineering
Online ISSN : 2185-0992
Print ISSN : 2185-0984
ISSN-L : 2185-0992
2D-3D Fused Convolutional Neural Network for Low-Light Image Sequence Enhancement in Visual SLAM
Feng AoMasahiro Yoshida
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JOURNAL OPEN ACCESS

2025 Volume 16 Issue 2 Pages 40-45

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Abstract
In response to the poor performance of Visual SLAM in low light scenes and its high requirements for real-time computing, we propose a 2D-3D fused neural network that processes time consistency with minimal computational cost for enhancing a sequence of low-light images, and design two new loss functions to guide the network to focus on enhancing corners and edges. We then integrated our method into VINS-Mono and compared it with several low-light enhancement methods. The results show that our method achieves approximately 30% higher positioning accuracy than previous researches, while also having the shortest inference time.
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© 2025 Society of Automotive Engineers of Japan, Inc
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