Journal
IEEE GEOSCIENCE AND REMOTE SENSING LETTERS
Volume 19, Issue -, Pages -Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LGRS.2021.3076093
Keywords
Convolution; Feature extraction; Kernel; Training; Remote sensing; Image segmentation; Spatial resolution; Convolutional neural network (CNN); ensemble learning; remote sensing; semantic segmentation
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Funding
- National Natural Science Foundation of China [41871302, 61773360, 41871364]
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The paper introduces an end-to-end ensemble fully convolutional network (EFCNet) with adaptive fusion module (AFM) and separable convolutional module (SCM), which can effectively enhance semantic segmentation performance of high-resolution remote sensing images and reduce model complexity.
Convolutional neural networks (CNNs) have achieved remarkable results in semantic segmentation of high-resolution remote sensing images (HRRSIs). However, the scales and textures of HRRSIs are diverse, which makes it difficult for a fixed-layer CNN to obtain rich features. In this regard, we propose an end-to-end ensemble fully convolutional network (EFCNet), which mainly includes two modules: the adaptive fusion module (AFM) and the separable convolutional module (SCM). The AFM can fuse features of different scales based on ensemble learning, whereas the SCM can reduce the complexity of the model under multifeature fusion. In the experiment, we use UNet and PSPNet to verify the framework on the ISPRS Vaihingen and Potsdam datasets. The experimental results show that the EFCNet can effectively improve the final segmentation performance and reduce the complexity of the ensemble model.
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