Multi-scale Single Image Super-Resolution with Remote-Sensing Application Using Transferred Wide Residual Network

Farah Deeba, Yuanchun Zhou, Fayaz Ali Dharejo, Yi Du, Xuezhi Wang, She Kun

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

Super-resolution (SR) has received extensive attention in recent years for satellite image processing in a wide range of application scenarios, such as land classification, identification of changes, the discovery of resources, etc. Satellite images from satellite sensors are mostly low-resolution (LR) images, so they do not completely fulfill object detection and analysis criteria. SR has multiple residual network frameworks in deep learning that have improved performance and can extend thousands of layers in the system. However, each layer improves accuracy by doubling the number of layers, although training thousands of layers are too expensive, the process is slow, and there are functional recovery issues. We proposed a transferred wide residual Single Image Super-Resolution (SISR) remote sensing deep neural network model (WRSR). By increasing the width and reducing the residual network depth, the proposed approach has dramatically reduced memory costs. As a result, our model reduced memory costs by 21% in Enhanced Deep Residual Super-Resolution (EDSR) and 34% in SRResNet as a direct consequence of the in-depth reduction. The proposed architecture improves the efficiency of training loss by performing weight normalization instead of augmentation technology. We compared our method to five recent existing super-resolution (SR) deep neural network methods, tested over three public satellite image datasets and a standard reference (PRIM) dataset. Experiment analysis is evaluated in peak to signal noise ratio (PSNR) and structural similarity index measure (SSIM).

Original languageBritish English
Pages (from-to)323-342
Number of pages20
JournalWireless Personal Communications
Volume120
Issue number1
DOIs
StatePublished - Sep 2021

Keywords

  • Low- resolution (LR)
  • Remote-sensing images
  • Super-resolution (SR)
  • Transfer wide residual network

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