Image recovery using the anisotropic diffusion equation

Authors:
F. Torkamani-Azar;K. E. Tait
Affiliations:
Sch. of Electr. Eng., New South Wales Univ., Sydney, NSW;-
Venue:
IEEE Transactions on Image Processing
Year:
1996

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Abstract

A new approach for image recovery using the anisotropic diffusion equation is developed which is based on the first derivative of the signal in time embedded in family of images with different scales. The diffusion coefficient is determined as a function of the gradient of the signal convolved with a symmetric exponential filter. A new discrete realization is developed for the simultaneous removal of noise and preservation of edges