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[Author] Byungmin KIM(1hit)

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  • Facial Image Super-Resolution Reconstruction Based on Separated Frequency Components

    Hyunduk KIM  Sang-Heon LEE  Myoung-Kyu SOHN  Dong-Ju KIM  Byungmin KIM  

     
    PAPER

      Vol:
    E96-A No:6
      Page(s):
    1315-1322

    Super resolution (SR) reconstruction is the process of fusing a sequence of low-resolution images into one high-resolution image. Many researchers have introduced various SR reconstruction methods. However, these traditional methods are limited in the extent to which they allow recovery of high-frequency information. Moreover, due to the self-similarity of face images, most of the facial SR algorithms are machine learning based. In this paper, we introduce a facial SR algorithm that combines learning-based and regularized SR image reconstruction algorithms. Our conception involves two main ideas. First, we employ separated frequency components to reconstruct high-resolution images. In addition, we separate the region of the training face image. These approaches can help to recover high-frequency information. In our experiments, we demonstrate the effectiveness of these ideas.