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A multiresolution approach to color image restoration and parameter estimation using homotopy continuation method

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4 Author(s)
Nanda, P.K. ; Dept. of Electr. Eng., Indian Inst. of Technol., Bombay, India ; Kumar, S. ; Ghokale, S. ; Desai, U.B.

We address the problem of color image restoration. We model the image as a Markov random field (MRF) and propose a restoration algorithm in a multiresolution framework. The incorporation of multiresolution technique significantly reduces the computational complexity of the restoration algorithm. The energy function at each resolution being non-convex, is minimized using the simulated annealing algorithm. The parameters which describe the MRF model at each resolution are computed a priori using the homotopy continuation method. Simulation results are presented to validate the proposed scheme

Published in:

Image Processing, 1995. Proceedings., International Conference on  (Volume:2 )

Date of Conference:

23-26 Oct 1995