Denoising an Image by Denoising its Components in a Moving Frame

TitleDenoising an Image by Denoising its Components in a Moving Frame
Publication TypeConference Paper
Year of Publication2014
AuthorsGhimpeteanu G, Batard T, Bertalmío M, Levine S
Conference NameInternational Conference on Image and Signal Processing (ICISP). *Best Paper Award*
Abstract

In this paper, we provide a new non-local method for image denoising. The key idea we develop is to denoise the components of the image in a well-chosen moving frame instead of the image itself. We prove the relevance of our approach by showing that the PSNR of a grayscale noisy image is lower than the PSNR of its components. Experiments show that applying the Non Local Means algorithm of Buades et al. [5] on the components provides better results than applying it directly on the image.