A well-balanced reaction-diffusion model for texture image denoising
Jia-Qiang Gong, Xiaoning Li · Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE · 2013
Important information, such as textures or edge, is often lost or blurred in the process of traditional denoising. In this paper we present a well balanced reaction-diffusion equation combined new harmonic analysis to resolve this problem better. A mixed diffusivity term is used to control the diffusion process to smooth and maintain essential image characteristics. While in reaction terms we employ wave atoms and curvelets shrinkage to preserve and enhance textures and edges. Experiment results and comparisons show the good performance of the proposed model for texture and edge preserving in the process of denoising especially as the noise increase.