Frontiers of Optoelectronics

, Volume 10, Issue 2, pp 189–194 | Cite as

Edge preserving super-resolution infrared image reconstruction based on L1- and L2-norms

  • Shaosheng Dai
  • Dezhou Zhang
  • Junjie Cui
  • Xiaoxiao Zhang
  • Jinsong Liu
Research Article
  • 30 Downloads

Abstract

Super-resolution (SR) is a widely used technology that increases image resolution using algorithmic methods. However, preserving the local edge structure and visual quality in infrared (IR) SR images is challenging because of their disadvantages, such as lack of detail, poor contrast, and blurry edges. Traditional and advanced methods maintain the quantitative measures, but they mostly fail to preserve edge and visual quality. This paper proposes an algorithm based on high frequency layer features. This algorithm focuses on the IR image edge texture in the reconstruction process. Experimental results show that the mean gradient of the IR image reconstructed by the proposed algorithm increased by 1.5, 1.4, and 1.2 times than that of the traditional algorithm based on L1-norm, L2-norm, and traditional mixed norm, respectively. The peak signal-to-noise ratio, structural similarity index, and visual effect of the reconstructed image also improved.

Keywords

infrared (IR) super-resolution (SR) image reconstruction high frequency layer edge texture 

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Notes

Acknowledgments

This work was supported by the National Natural Science Foundation of China (Grant Nos. 61275099 and 61671094) and the Natural Science foundation of Chongqing Science and Technology Commission (No. CSTC2015JCYJA40032).

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Copyright information

© Higher Education Press and Springer-Verlag Berlin Heidelberg 2017

Authors and Affiliations

  • Shaosheng Dai
    • 1
  • Dezhou Zhang
    • 1
  • Junjie Cui
    • 1
  • Xiaoxiao Zhang
    • 1
  • Jinsong Liu
    • 1
  1. 1.Chongqing Key Laboratory of Signal and Information ProcessingChongqing University of Posts and TelecommunicationsChongqingChina

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