Alvarez-Ramirez, Jose; Rodriguez, Eduardo; Cervantes, Ilse - In: Physica A: Statistical Mechanics and its Applications 361 (2006) 2, pp. 677-698
The aim of this paper is to explore the application of detrended fluctuation analysis (DFA) to study roughness features of images. Unidimensional sequences at different image orientations are extracted and their average scaling exponent is estimated. In this form, the existence of anisotropies...