Multiframe Super-Resolution Reconstruction Using Sparse Directional Regularization

  title={Multiframe Super-Resolution Reconstruction Using Sparse Directional Regularization},
  author={Yan-Ran Li and Dao-Qing Dai and Lixin Shen},
  journal={IEEE Transactions on Circuits and Systems for Video Technology},
We present a variational approach to obtain high-resolution images from multiframe low-resolution video stills. The objective functional for the variational approach consists of a data fidelity term and a regularizer. The fidelity term is formed by adaptively mimicking l1 and l2 norms. The regularization uses the l1 norm of the framelet coefficients of a high-resolution image with a geometric tight framelet system constructed in this paper. The tight framelet system has abilities to detect… CONTINUE READING
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