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Learning a Single Convolutional Super-Resolution Network for Multiple Degradations

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Zhang, Kai, Zuo, Wangmeng, Zhang, Lei·2018·2018 IEEE/CVF Conference on Computer Vision and Pattern Recognition

Abstract

Recent years have witnessed the unprecedented success of deep convolutional neural networks (CNNs) in single image super-resolution (SISR). However, existing CNN-based SISR methods mostly assume that a low-resolution (LR) image is bicubicly downsampled from a high-resolution (HR) image, thus inevitably giving rise to poor performance when the true degradation does not follow this assumption. Moreover, they lack scalability in learning a single model to nonblindly deal with multiple degradations. To address these issues, we propose a general framework with dimensionality stretching strategy that enables a single convolutional super-resolution network to take two key factors of the SISR degradation process, i.e., blur kernel and noise level, as input. Consequently, the super-resolver can handle multiple and even spatially variant degradations, which significantly improves the practicability. Extensive experimental results on synthetic and real LR images show that the proposed convolutional super-resolution network not only can produce favorable results on multiple degradations but also is computationally efficient, providing a highly effective and scalable solution to practical SISR applications.

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Metadata

Authors
Zhang, K., Zuo, W., & Zhang, L.
Venue
2018 IEEE/CVF Conference on Computer Vision and Pattern Recognition
Publisher
IEEE
Published
2018-06
Pages
3262-3271
ISSN
1063-6919 (ISSN-L)
OpenAlex
W2964277374
Cited by
1,124
References
14
FWCI
37.38
Type
conference paper
Language
en
Open access
green

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CoChat. (2026). Citation check: Learning a Single Convolutional Super-Resolution Network for Multiple Degradations. https://app.cochat.ai/papers/10.1109/cvpr.2018.00344
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Zhang, K., Zuo, W., & Zhang, L. (2018). Learning a Single Convolutional Super-Resolution Network for Multiple Degradations. 2018 IEEE/CVF Conference on Computer Vision and Pattern Recognition. https://doi.org/10.1109/cvpr.2018.00344

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