Journal of Real-Time Image Processing

, Volume 16, Issue 1, pp 81–97 | Cite as

A fast single-image super-resolution method implemented with CUDA

  • Yuan Yuan
  • Xiaomin Yang
  • Wei WuEmail author
  • Hu Li
  • Yiguang Liu
  • Kai Liu
Special Issue Paper


Image super-resolution (SR) plays an important role in many areas as it promises to generate high-resolution (HR) images without upgrading image sensors. Many existing SR methods require a large external training set, which would consume a lot of memory. In addition, these methods are usually time-consuming when training model. Moreover, these methods need to retrain model once the magnification factor changes. To overcome these problems, we propose a method, which does not need an external training set by using self-similarity. Firstly, we rotate original low-resolution (LR) image with different angles to expand the training set. Second, multi-scale Difference of Gaussian filters are exploited to obtain multi-view feature maps. Multi-view feature maps could provide an accurate representation of images. Then, feature maps are divided into patches in parallel to build an internal training set. Finally, nonlocal means is applied to each LR patch from original LR image to infer HR patches. In order to accelerate the proposed method by exploiting the computation power of GPU, we implement the proposed method with compute unified device architecture (CUDA). Experimental results validate that the proposed method performs best among the compared methods in both terms of visual perception and objective quantitation. Moreover, the proposed method gets a remarkable speedup after implemented with CUDA.


Super-resolution Self-similarity GPU CUDA 



The research in our paper is sponsored by National Natural Science Foundation of China (Nos. 61701327, 61711540303, 61473198), also is supported by the Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD) Fund, Jiangsu Collaborative Innovation Center on Atmospheric Environment and Equipment Technology (CICAEET) Fund.


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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  • Yuan Yuan
    • 1
  • Xiaomin Yang
    • 1
  • Wei Wu
    • 1
    Email author
  • Hu Li
    • 1
  • Yiguang Liu
    • 2
  • Kai Liu
    • 3
  1. 1.College of Electronics and Information EngineeringSichuan UniversityChengduChina
  2. 2.College of Computer ScienceSichuan UniversityChengduChina
  3. 3.College of Electrical and Engineering InformationSichuan UniversityChengduChina

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