Self-similarity properties of natural images resemble those of turbulent flows


Autoria(s): Turiel Martínez, Antonio M.; Mato, Germán; Parga, Néstor; Nadal, Jean-Pierre
Contribuinte(s)

Universitat de Barcelona

Data(s)

29/06/2010

Resumo

We show that the statistics of an edge type variable in natural images exhibits self-similarity properties which resemble those of local energy dissipation in turbulent flows. Our results show that self-similarity and extended self-similarity hold remarkably for the statistics of the local edge variance, and that the very same models can be used to predict all of the associated exponents. These results suggest using natural images as a laboratory for testing more elaborate scaling models of interest for the statistical description of turbulent flows. The properties we have exhibited are relevant for the modeling of the early visual system: They should be included in models designed for the prediction of receptive fields.

Identificador

http://hdl.handle.net/2445/13213

Idioma(s)

eng

Publicador

American Physical Society

Direitos

(c) American Physical Society, 1998

info:eu-repo/semantics/openAccess

Palavras-Chave #Òptica #Física estadística #Dinàmica de fluids #Optics #Statistical physics, #Fluid dynamics
Tipo

info:eu-repo/semantics/article