Abstract
A new image super-resolution method based on a codebook mapping is proposed. The codebook mapping represents the internal relationship between low-and high-frequency image components, and is used for the estimation of highfrequency image components lost in the sampling process. In the proposed method, codebooks are first generated by the low-and high-frequency image components of the original image itself that is to be processed. Then, a resultant superresolution image, that is, an enlarged image, is obtained by combining the estimated high-frequency image components with the low-frequency ones obtained by a typical interpolation-based method. The effectiveness of the proposed method is verified by comparing it against some conventional methods.
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Suetake, N., Sakano, M. & Uchino, E. Image super-resolution based on local self-similarity. OPT REV 15, 26–30 (2008). https://doi.org/10.1007/s10043-008-0005-0
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DOI: https://doi.org/10.1007/s10043-008-0005-0