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Super-resolution for low quality thumbnail images | IEEE Conference Publication | IEEE Xplore

Super-resolution for low quality thumbnail images


Abstract:

This paper proposes a single-image super-resolution scheme for enlarging low quality thumbnail images widely distributed on the web, which are often generated by downsamp...Show More

Abstract:

This paper proposes a single-image super-resolution scheme for enlarging low quality thumbnail images widely distributed on the web, which are often generated by downsampling plus compression. To obtain visually pleasurable high-resolution versions for this kind of low-resolution images, we first adopt a PDE-based image regularization technique to alleviate the compression noise in the distorted thumbnails, and then use learning-based pair matching to further enhance the high-frequency details in the upsampled images. Experimental results show that our solution achieves better visual quality for both offline and online test images, compared with traditional methods.
Date of Conference: 23 June 2008 - 26 April 2008
Date Added to IEEE Xplore: 26 August 2008
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Conference Location: Hannover, Germany

References

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