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Title: Chebyshev Functional Link Artificial Neural Networks for Denoising of Image Corrupted by Salt and Pepper Noise
Authors: Mishra, S K
Panda, G
Meher, S
Keywords: MLP
Chebyshev FLANN
Salt and Pepper noise
Issue Date: 2009
Citation: International Journal of Recent Trends in Engineering, Vol. 1,No.1, May 2009
Abstract: Here we have presented an alternate ANN structure called functional link ANN (FLANN) for image denoising. In contrast to a feed forward ANN structure i.e. a multilayer perceptron (MLP), the FLANN is basically a single layer structure in which non-linearity is introduced by enhancing the input pattern with nonlinear function expansion. In this work three different expansions is applied. With the proper choice of functional expansion in a FLANN , this network performs as good as and in some case even better than the MLP structure for the problem of denoising of an image corrupted with Salt and Pepper noise. In the single layer functional link ANN (FLANN) the need of hidden layer is eliminated. The novelty of this structure is that it requires much less computation than that of MLP. In the presence of additive white Gaussian noise in the image, the performance of the proposed network is found superior to that of a MLP .In particular FLANN structure with Chebyshev functional expansion works best for Salt and Pepper noise suppression from an image.
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