<abstract xmlns="http://www.w3.org/1999/xhtml"><p>Satellite image classification is essential for many socio-economic and environmental applications of geographic information systems, including urban and regional planning, conservation and management of natural resources, etc. In this paper, we propose a deep learning architecture to perform the pixel-level understanding of high spatial resolution satellite images and apply it to image classification tasks. Specifically, we augment the spatial pyramid pooling module with image-level features encoding the global context, and integrate it into the U-Net structure. The proposed model solves the problem consisting in the fact that U-Net tends to lose object boundaries after multiple pooling operations. In our experiments, two public datasets are used to assess the performance of the proposed model. Comparison with the results from the published algorithms demonstrates the effectiveness of our approach.</p></abstract>

Satellite image classification is essential for many socio-economic and environmental applications of geographic information systems, including urban and regional planning, conservation and management of natural resources, etc. In this paper, we propose a deep learning architecture to perform the pixel-level understanding of high spatial resolution satellite images and apply it to image classification tasks. Specifically, we augment the spatial pyramid pooling module with image-level features encoding the global context, and integrate it into the U-Net structure. The proposed model solves the problem consisting in the fact that U-Net tends to lose object boundaries after multiple pooling operations. In our experiments, two public datasets are used to assess the performance of the proposed model. Comparison with the results from the published algorithms demonstrates the effectiveness of our approach.

Classification of High Resolution Satellite Images Using Improved U–Net

International Journal of Applied Mathematics and Computer Science

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

{"article-title":"Classification of High Resolution Satellite Images Using Improved U\u2013Net"}

Satellite image classification is essential for many socio-economic and environmental applications of geographic information systems, including urban and...

Classification of High Resolution Satellite Images Using Improved U–Net

Published Online: Sep 29, 2020

Page range: 399 - 413

Received: Oct 11, 2019

Accepted: May 29, 2020

DOI: https://doi.org/10.34768/amcs-2020-0030

Keywords
satellite image classification, deep learning, U-Net, spatial pyramid pooling

© 2020 Yong Wang et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Classification of High Resolution Satellite Images Using Improved U–Net

Published Online: Sep 29, 2020

Page range: 399 - 413

Received: Oct 11, 2019

Accepted: May 29, 2020

DOI: https://doi.org/10.34768/amcs-2020-0030

Keywordssatellite image classification, deep learning, U-Net, spatial pyramid pooling

© 2020 Yong Wang et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Keywords
satellite image classification, deep learning, U-Net, spatial pyramid pooling