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Semantic-Assisted Feature Integration Network for Multilabel Remote Sensing Scene Classification
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AI
DOI：10.1109/TGRS.2024.3517672.png)
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Abstract
En 中文
With remote sensing (RS) images' resolution increasing, a single scene label cannot adequately represent RS scenes' contents. Therefore, multilabel RS scene classification (MLRSSC) is gradually attracting the researchers' attention. Many methods have been proposed recently, and most use deep features or semantic connections to complete MLRSSC. However, they ignore the combination of these two aspects. In addition, the high interclass similarity and low intraclass similarity of RS images limit the robustness of these methods. In this article, we propose a semantic-assisted feature integration network (SFIN) to overcome the above limitations. It contains a dual-scale feature extractor module (DFEM), a local semantic enhance module (LSEM), a cross-scale interactive attention module (CIAM), and a classifier module (CM). DFEM utilizes the convolutional neural networks (CNNs) to extract multiscale features from RS images. LSEM extracts semantic information and establishes their relationships at different scales. CIAM enhances the feature representation by interacting with the clues across different scales. CM completes the prediction of classification (CLA) results. Integrating them into an end-to-end framework, SFIN can discover the diverse and complex land covers hidden in RS images. Furthermore, to ensure the accuracy of explored semantics and enhance the SFIN's feature extraction ability, we design a semantic supervision (SS) loss and a semantic-based contrastive learning (SB-CL) loss. They are in charge of the correctness and discrimination of the mined semantics. Along with the typical CLA loss, SFIN can be adequately trained. Extensive experiments have been conducted on four MLRSSC datasets, and the positive results demonstrate that SFIN outperforms many existing methods in MLRSSC tasks. Our source codes are available at: https://github.com/TangXu-Group/multilabelRSSC/tree/main/SFIN.
Keywords:
Multilabel
remote sensing (RS) scene classification (CLA)
remote sensing (RS) scene classification (CLA)
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10.7W