A new GVF-based image enhancement formulation for use in the presence of mixed noise

Authors:
Ovidiu Ghita;Paul F. Whelan
Affiliations:
Centre for Image Processing and Analysis, Dublin City University, Dublin 9, Ireland;Centre for Image Processing and Analysis, Dublin City University, Dublin 9, Ireland
Venue:
Pattern Recognition
Year:
2010

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Abstract

This paper is concerned with the introduction of a new gradient vector flow (GVF) field formulation that shows increased robustness in the presence of mixed noise and with its evaluation when included in the development of image enhancement algorithms. In this regard, the main contribution associated with this work resides in the development of an adaptive image enhancement framework that couples the anisotropic diffusion models with the adaptive median filtering that is designed for the restoration of digital images corrupted with mixed noise. To further illustrate the advantages associated with the proposed GVF field formulation, additional experiments are conducted when the proposed strategy is applied in the construction of anisotropic models for texture enhancement.