Adaptive Threshold Selection of Anisotropic Diffusion Filters Using Dissimilarity Transform

Authors : Mahmut KILIÇASLAN

Pages : 558-573

Doi:10.29137/umagd.1268609

View : 49 | Download : 100

Publication Date : 2023-07-14

Article Type : Research Paper

Abstract :One of the most basic steps of image processing is denoising. Diffusion filters have been used for denoising for many years, as they protect the edges. The common problem of diffusion filters, which are still being developed today, is the user intervention requirements. The diffusion threshold value is currently selected by the user. In this study, a fully adaptive threshold value selection method is presented with the help of dissimilarity transform. The main contribution of the study is the proposal of dissimilarity transformation for anisotropic diffusion filters. Experimental results show that the threshold values determined by the proposed method effectively provide denoising without being affected by noise variance and preserve the edges.
Keywords : Anizotropik difüzyon filtresi, Uyarlanabilir eşik seçimi, Benzemezlik dönüşümü, Gürültü