Multiscale Image Fusion Using the Undecimated Wavelet Transform With Spectral Factorization and Nonorthogonal Filter Banks

@article{Ellmauthaler2013MultiscaleIF,
  title={Multiscale Image Fusion Using the Undecimated Wavelet Transform With Spectral Factorization and Nonorthogonal Filter Banks},
  author={Andreas Ellmauthaler and Carla L. Pagliari and Eduardo A. B. da Silva},
  journal={IEEE Transactions on Image Processing},
  year={2013},
  volume={22},
  pages={1005-1017}
}
Multiscale transforms are among the most popular techniques in the field of pixel-level image fusion. However, the fusion performance of these methods often deteriorates for images derived from different sensor modalities. In this paper, we demonstrate that for such images, results can be improved using a novel undecimated wavelet transform (UWT)-based fusion scheme, which splits the image decomposition process into two successive filtering operations using spectral factorization of the… CONTINUE READING
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