An edge preserving regularization model for image restoration based on hopfield neural network

Authors:
Jian Sun;Zongben Xu
Affiliations:
Institute for Information and System Science, Xi’an Jiaotong University, Xi’an, China;Institute for Information and System Science, Xi’an Jiaotong University, Xi’an, China
Venue:
ISNN'06 Proceedings of the Third international conference on Advnaces in Neural Networks - Volume Part II
Year:
2006

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Abstract

This paper designs an edge preserving regularization model for image restoration. First, we propose a generalized form of Digitized Total Variation (DTV), and then introduce it into restoration model as the regularization term. To minimize the proposed model, we map digital image onto network, and then develop energy descending schemes based on Hopfield neural network. Experiments show that our model can significantly better preserve the edges of image compared with the commonly used Laplacian regularization (with constant and adaptive coefficient). We also study the effects of neighborhood and gaussian parameter on the proposed model through experiments.