A fuzzy hybrid method for image decomposition problem
by F. Di Martino, V. Loia, S. Sessa
International Journal of Reasoning-based Intelligent Systems (IJRIS), Vol. 1, No. 1/2, 2009

Abstract: We use a hybrid approach based on a genetic algorithm and on the gradient descent method for image decomposition problem. We adopt an iterative gradient descent method, already used in a previous paper and here improved, in order to reconstruct an image by using an optimisation task based on the minimisation of a cost function. By normalising the values of its pixels with respect to the grey scale used, an image R is interpreted as a fuzzy relation. In order to obtain better results in terms of quality of the reconstructed image, we use a preprocessing genetic algorithm for determining two initial families of fuzzy sets that compose R in accordance to the concept of Schein rank of R. The experiments are executed on some images extracted from the SIDBA standard image database.

Online publication date: Wed, 24-Jun-2009

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