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Saliency-Guided Remote Sensing Image Super-Resolution
| Content Provider | MDPI |
|---|---|
| Author | Liu, Baodi Zhao, Lifei Li, Jiaoyue Zhao, Hengle Liu, Weifeng Li, Ye Wang, Yanjiang Chen, Honglong Cao, Weijia |
| Copyright Year | 2021 |
| Description | Deep learning has recently attracted extensive attention and developed significantly in remote sensing image super-resolution. Although remote sensing images are composed of various scenes, most existing methods consider each part equally. These methods ignore the salient objects (e.g., buildings, airplanes, and vehicles) that have more complex structures and require more attention in recovery processing. This paper proposes a saliency-guided remote sensing image super-resolution (SG-GAN) method to alleviate the above issue while maintaining the merits of GAN-based methods for the generation of perceptual-pleasant details. More specifically, we exploit the salient maps of images to guide the recovery in two aspects: On the one hand, the saliency detection network in SG-GAN learns more high-resolution saliency maps to provide additional structure priors. On the other hand, the well-designed saliency loss imposes a second-order restriction on the super-resolution process, which helps SG-GAN concentrate more on the salient objects of remote sensing images. Experimental results show that SG-GAN achieves competitive PSNR and SSIM compared with the advanced super-resolution methods. Visual results demonstrate our superiority in restoring structures while generating remote sensing super-resolution images. |
| Starting Page | 5144 |
| e-ISSN | 20724292 |
| DOI | 10.3390/rs13245144 |
| Journal | Remote Sensing |
| Issue Number | 24 |
| Volume Number | 13 |
| Language | English |
| Publisher | MDPI |
| Publisher Date | 2021-12-17 |
| Access Restriction | Open |
| Subject Keyword | Remote Sensing Imaging Science Salient Object Detection Image Super-resolution Generative Adversarial Network Remote Sensing Image |
| Content Type | Text |
| Resource Type | Article |
