Multi-scale Xception based depthwise separable convolution for single image super-resolution

Wazir Muhammad, Supavadee Aramvith and Takao Onoye

PLOS ONE, 2021, vol. 16, issue 8, 1-20

Abstract: The main target of Single image super-resolution is to recover high-quality or high-resolution image from degraded version of low-quality or low-resolution image. Recently, deep learning-based approaches have achieved significant performance in image super-resolution tasks. However, existing approaches related with image super-resolution fail to use the features information of low-resolution images as well as do not recover the hierarchical features for the final reconstruction purpose. In this research work, we have proposed a new architecture inspired by ResNet and Xception networks, which enable a significant drop in the number of network parameters and improve the processing speed to obtain the SR results. We are compared our proposed algorithm with existing state-of-the-art algorithms and confirmed the great ability to construct HR images with fine, rich, and sharp texture details as well as edges. The experimental results validate that our proposed approach has robust performance compared to other popular techniques related to accuracy, speed, and visual quality.

Date: 2021
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0249278

DOI: 10.1371/journal.pone.0249278

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