Single image super-resolution based on approximated Heaviside functions and iterative refinement

• Xin-Yu Wang,

  Roles Conceptualization, Formal analysis, Methodology, Software, Validation, Visualization, Writing – original draft, Writing – review & editing

  Affiliation School of Mathematical Sciences/Research Center for Image and Vision Computing, University of Electronic Science and Technology of China, Chengdu, Sichuan, P. R. China

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• Ting-Zhu Huang ,

  Roles Formal analysis, Methodology, Supervision

  * E-mail: tingzhuhuang@126.com (TZH); liangjian1987112@126.com (LJD)

  Affiliation School of Mathematical Sciences/Research Center for Image and Vision Computing, University of Electronic Science and Technology of China, Chengdu, Sichuan, P. R. China

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• Liang-Jian Deng

  Roles Formal analysis, Methodology, Supervision

  * E-mail: tingzhuhuang@126.com (TZH); liangjian1987112@126.com (LJD)

  Affiliation School of Mathematical Sciences/Research Center for Image and Vision Computing, University of Electronic Science and Technology of China, Chengdu, Sichuan, P. R. China

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