A new article is available in IPOL: http://www.ipol.im/pub/art/2014/98/
Antoni Buades, Bartomeu Coll, Joan Duran, and Catalina Sbert,
Implementation of Nonlocal Pansharpening Image Fusion, Image Processing
On Line, 4 (2014), pp. 1--15. http://dx.doi.org/10.5201/ipol.2014.98
Abstract
This paper focuses on the implementation of the pansharpened image
fusion technique proposed in the companion paper [A Nonlocal Variational
Model for Pansharpening Image Fusion, SIAM Journal on Imaging Sciences,
2014, to appear]. Pansharpening refers to the process of inferring a
high resolution multispectral image from a high resolution panchromatic
image and low resolution multispectral one. Although quite successful in
terms of relative error, state-of-the-art pansharpening methods still
introduce relevant color artifacts. The variational pansharpening model
proposed by Buades et al. incorporates a nonlocal regularization term
that takes advantage of image self-similarity, leading to signicant
reduction of the
above-mentioned color artifacts.
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