2008•Journal of Computer ApplicationsRequires access
Modified nonlinear diffusion equation for noise removal
Guo Ding-hui
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Abstract
A diffusion coefficient function of nonlinear diffusion equation was modified for processing image so that the modified model can remove the high gradient noise of the image and preserve the edge details of the image while considering the gradient and second derivative of the image.Experiments have shown that the modified model is capable of getting rid of the noises efficiently and preserving the edge locality and stronger peaks and thin edges while removing the high gradient noise of the image.