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An Attention-Based Feature Processing Method for Cross-Domain Hyperspectral Image Classification
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DOI：10.1109/LSP.2024.3505793.png)
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摘要
En 中文
Cross-domain classification of hyperspectral remote sensing images is one of the hotspots of research in recent years, and its main problem is insufficient training samples. To address this issue, few-shot learning (FSL) has emerged as a promising paradigm in cross-domain classification tasks. However, a notable limitation of most existing FSL methods is that they focus only on local information and less on the critical role of global information. Based on this, this paper proposes a new feature processing method with adaptive band selection, which takes into account the global nature of image features. Firstly, adaptive band analysis is performed in the target domain, and threshold analysis is used to determine the number of selected bands. Secondly, a band selection method is employed to select representative bands from the spectral bands of the high-dimensional data according to the determined band count. Finally, the weights of the selected bands are analyzed, fully considering the importance of pixel weight, and then the results are used as inputs for the classification model. The experimental results on various datasets show that this method can effectively improve the classification accuracy and generalization ability. Meanwhile, the results of the objective accuracy index of the proposed method in different databases improved by 3.9%, 4.7% and 5.4%.
Keyword:
Support vector machines
Hyperspectral imaging
Attention mechanisms
Accuracy
Signal processing algorithms
Image classification
Classification algorithms
Visualization
Training
Sensors
Adaptive analysis
attention mechanism
band selection
hyperspectral image classification
期刊
IF:
9.6
论文数:
1.1W
被引数:
1.7W
机构
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