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Volume 45 Issue 3
Mar.  2023
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JIANG Wen, PAN Jie, ZHU Jinbiao, YUE Xijuan. Feature Fusion Classification for Optical Image and SAR Image Based on Spatial-spectral Attention[J]. Journal of Electronics & Information Technology, 2023, 45(3): 987-995. doi: 10.11999/JEIT220063
Citation: JIANG Wen, PAN Jie, ZHU Jinbiao, YUE Xijuan. Feature Fusion Classification for Optical Image and SAR Image Based on Spatial-spectral Attention[J]. Journal of Electronics & Information Technology, 2023, 45(3): 987-995. doi: 10.11999/JEIT220063

Feature Fusion Classification for Optical Image and SAR Image Based on Spatial-spectral Attention

doi: 10.11999/JEIT220063
  • Received Date: 2022-01-13
  • Rev Recd Date: 2022-05-28
  • Available Online: 2022-06-10
  • Publish Date: 2023-03-10
  • Considering the issue of difference and complementarity of multi-source remote sensing images, this paper proposes a feature fusion classification method for optical image and SAR image based on spatial-spectral attention. Firstly, features of optical image and SAR image are extracted by the convolutional neural network, and an attention module composed of spatial attention and spectral attention is designed to analyze the importance of features. Features can be enhanced by the weights of the attention module, which can reduce the attention to irrelevant information, and thus improve the accuracy of fusion classification for optical and SAR images. Experimental results on two datasets of optical image and SAR image demonstrate that the proposed method is able to yield higher fusion classification accuracy.
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