Image Super-Resolution Via Sparse Representation

  title={Image Super-Resolution Via Sparse Representation},
  author={Jianchao Yang and John Wright and Thomas S. Huang and Yi Ma},
  journal={IEEE Transactions on Image Processing},
This paper presents a new approach to single-image superresolution, based upon sparse signal representation. Research on image statistics suggests that image patches can be well-represented as a sparse linear combination of elements from an appropriately chosen over-complete dictionary. Inspired by this observation, we seek a sparse representation for each patch of the low-resolution input, and then use the coefficients of this representation to generate the high-resolution output. Theoretical… CONTINUE READING
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