An Improved Anisotropic Diffusion Model Based on Wavelet Transform for Image Denosing
Rui Lin Zhang, Hui Min Liu, Zhu Hua Hu, Wei Jie Guo · Advanced materials research · 2012
Preserving meaningful details such as blurred thin edges and low-contrast fine features is important in image de noising. A new method based on improved anisotropic diffusion model and wavelet transform is presented for image denoising. The proposed diffusion model incorporates both local gradient and gray-level variance to preserve edges and fine details while effectively removing noise in low-contrast surface images.