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Remote Sensing
Volume 16
Issue 13
10.3390/rs16132323
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Open AccessArticle
by Chengjun Xu SciProfiles Scilit Preprints.org Google Scholar Jingqian Shu SciProfiles Scilit Preprints.org Google Scholar Zhenghan Wang SciProfiles Scilit Preprints.org Google Scholar Jialin Wang SciProfiles Scilit Preprints.org Google Scholar Chengjun Xu
,
Jingqian Shu
Zhenghan Wang
Jialin Wang
1
School of Software, Jiangxi Normal University, Nanchang 330022, China
2
School of Remote Sensing and Information Engineering, Wuhan University, Wuhan 430072, China
*
Author to whom correspondence should be addressed.
Remote Sens. 2024, 16(13), 2323; https://doi.org/10.3390/rs16132323
Submission received: 6 May 2024 / Revised: 20 June 2024 / Accepted: 24 June 2024 / Published: 25 June 2024
(This article belongs to the Special Issue Artificial Intelligence and Machine Learning with Applications in Remote Sensing II)
Abstract
The efficient fusion of global and local multi-scale features is quite important for remote sensing scene classification (RSSC). The scenes in high-resolution remote sensing images (HRRSI) contain many complex backgrounds, intra-class diversity, and inter-class similarities. Many studies have shown that global features and local features are helpful for RSSC. The receptive field of a traditional convolution kernel is small and fixed, and it is difficult to capture global features in the scene. The self-attention mechanism proposed in transformer effectively alleviates the above shortcomings. However, such models lack local inductive bias, and the calculation is complicated due to the large number of parameters. To address these problems, in this study, we propose a classification model of global-local features and attention based on Lie Group space. The model is mainly composed of three independent branches, which can effectively extract multi-scale features of the scene and fuse the above features through a fusion module. Channel attention and spatial attention are designed in the fusion module, which can effectively enhance the crucial features in the crucial regions, to improve the accuracy of scene classification. The advantage of our model is that it extracts richer features, and the global-local features of the scene can be effectively extracted at different scales. Our proposed model has been verified on publicly available and challenging datasets, taking the AID as an example, the classification accuracy reached 97.31%, and the number of parameters is
. Compared with other state-of-the-art models, it has certain advantages in terms of classification accuracy and number of parameters.
Keywords: attention mechanism; feature fusion; global feature; Lie group; local feature; remote sensing scene classification
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MDPI and ACS Style
Xu, C.; Shu, J.; Wang, Z.; Wang, J. A Scene Classification Model Based on Global-Local Features and Attention in Lie Group Space. Remote Sens. 2024, 16, 2323. https://doi.org/10.3390/rs16132323
AMA Style
Xu C, Shu J, Wang Z, Wang J. A Scene Classification Model Based on Global-Local Features and Attention in Lie Group Space. Remote Sensing. 2024; 16(13):2323. https://doi.org/10.3390/rs16132323
Chicago/Turabian Style
Xu, Chengjun, Jingqian Shu, Zhenghan Wang, and Jialin Wang. 2024. "A Scene Classification Model Based on Global-Local Features and Attention in Lie Group Space" Remote Sensing 16, no. 13: 2323. https://doi.org/10.3390/rs16132323
Note that from the first issue of 2016, this journal uses article numbers instead of page numbers. See further details here.
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MDPI and ACS Style
Xu, C.; Shu, J.; Wang, Z.; Wang, J. A Scene Classification Model Based on Global-Local Features and Attention in Lie Group Space. Remote Sens. 2024, 16, 2323. https://doi.org/10.3390/rs16132323
AMA Style
Xu C, Shu J, Wang Z, Wang J. A Scene Classification Model Based on Global-Local Features and Attention in Lie Group Space. Remote Sensing. 2024; 16(13):2323. https://doi.org/10.3390/rs16132323
Chicago/Turabian Style
Xu, Chengjun, Jingqian Shu, Zhenghan Wang, and Jialin Wang. 2024. "A Scene Classification Model Based on Global-Local Features and Attention in Lie Group Space" Remote Sensing 16, no. 13: 2323. https://doi.org/10.3390/rs16132323
Note that from the first issue of 2016, this journal uses article numbers instead of page numbers. See further details here.
Remote Sens., EISSN 2072-4292, Published by MDPI
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