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Novel Cooperative Neural Fusion Algorithms for Image Restoration and Image Fusion

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2 Author(s)
Youshen Xia ; Dept. of Electr. & Comput. Eng, Waterloo Univ., Ont. ; Mohamed S. Kamel

To deal with the problem of restoring degraded images with non-Gaussian noise, this paper proposes a novel cooperative neural fusion regularization (CNFR) algorithm for image restoration. Compared with conventional regularization algorithms for image restoration, the proposed CNFR algorithm can relax need of the optimal regularization parameter to be estimated. Furthermore, to enhance the quality of restored images, this paper presents a cooperative neural fusion (CNF) algorithm for image fusion. Compared with existing signal-level image fusion algorithms, the proposed CNF algorithm can greatly reduce the loss of contrast information under blind Gaussian noise environments. The performance analysis shows that the proposed two neural fusion algorithms can converge globally to the robust and optimal image estimate. Simulation results confirm that in different noise environments, the proposed two neural fusion algorithms can obtain a better image estimate than several well known image restoration and image fusion methods

Published in:

IEEE Transactions on Image Processing  (Volume:16 ,  Issue: 2 )