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A Variational Model for Histogram Transfer of Color Images

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3 Author(s)
Papadakis, N. ; Image Group, Barcelona Media, Barcelona, Spain ; Provenzi, E. ; Caselles, V.

In this paper, we propose a variational formulation for histogram transfer of two or more color images. We study an energy functional composed by three terms: one tends to approach the cumulative histograms of the transformed images, the other two tend to maintain the colors and geometry of the original images. By minimizing this energy, we obtain an algorithm that balances equalization and the conservation of features of the original images. As a result, they evolve while approaching an intermediate histogram between them. This intermediate histogram does not need to be specified in advance, but it is a natural result of the model. Finally, we provide experiments showing that the proposed method compares well with the state of the art.

Published in:

Image Processing, IEEE Transactions on  (Volume:20 ,  Issue: 6 )

Date of Publication:

June 2011

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