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Variational PDE based image restoration using neural network

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4 Author(s)
Wu, Y.-D. ; Coll. of Comput. Sci. & Technol., Southwest Univ. of Sci. & Technol., Mianyang ; Sun, Y. ; Zhang, H.-Y. ; Sun, S.-X.

Two variational partial differential equations as regularisation terms are proposed for the image restoration model based on the modified Hopfield neural network. One is based on a harmonic model and the other is based on a total variation model. The performance of these regularisation terms is analysed from the viewpoint of nonlinear diffusion. It can be shown that the two proposed restoration models have edge-preserving performance superior to that of the traditional restoration model. Two algorithms have been proposed on the basis of the harmonic restoration model and the total variation model. Experimental results show that the proposed algorithms are more effective than the traditional algorithm

Published in:

Image Processing, IET  (Volume:1 ,  Issue: 1 )