[IPOL announce] new article: Implementation of Nonlocal Pansharpening Image Fusion

[announcements about the IPOL journal]

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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