期刊
COMPUTERS & GEOSCIENCES
卷 158, 期 -, 页码 -出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.cageo.2021.104969
关键词
Remote sensing; Deep learning; Convolution neural network; Semantic segmentation; Attention mechanism; Deeplabv3+
资金
- National Natural Science Foundation of China [41961056]
This study proposed a new semantic segmentation network CFAMNet for remote sensing images, which improves semantic information extraction efficiency and segmentation accuracy through class feature attention mechanism and multi-parallel atrous spatial pyramid pooling structure. The network achieved excellent segmentation results in experiments on the public dataset.
Aiming at solving the problems of inaccurate segmentation of edge targets, inconsistent segmentation of different types of targets, and slow prediction efficiency on semantic segmentation of high-resolution remote sensing images by classical semantic segmentation network, this study proposed a class feature attention mechanism fused with an improved Deeplabv3+ network called CFAMNet for semantic segmentation of common features in remote sensing images. First, the correlation between classes is enhanced using the class feature attention module to extract and process different categories of semantic information better. Second, the multi-parallel atrous spatial pyramid pooling structure is used to enhance the correlation between spaces, to extract the context information of different scales of an image better. Finally, the encoder-decoder structure is used to refine the segmentation results. The segmentation effect of the proposed network is verified by experiments on the public data set GaoFen image dataset (GID). The experimental results show that the CFAMNet can achieve the mean intersection over union (MIOU) and overall accuracy (OA) of 77.22% and 85.01%, respectively, on the GID, thus surpassing the current mainstream semantic segmentation networks.
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