Image resolution enhancement by modifying the frequency spectrum

@article{Lee2011ImageRE,
  title={Image resolution enhancement by modifying the frequency spectrum},
  author={Jeong Ho Lee and Ki Tae Park and Chan Woo Park and Do Kyung Shin and Young Shik Moon},
  journal={2011 IEEE International Conference on Consumer Electronics (ICCE)},
  year={2011},
  pages={713-714}
}
In this paper, we propose a method of image resolution enhancement using a single image. The proposed method enhances the resolution by emphasizing the high frequency of a magnified low resolution image. Experimental results show that the performance of our method has been improved by 13%–25% over the conventional interpolation methods. 

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