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Title: Self-similarity properties of natural images resemble those of turbulent flows
Author: Turiel Martínez, Antonio M.
Mato, Germán
Parga, Néstor
Nadal, Jean-Pierre
Keywords: Òptica
Física estadística
Dinàmica de fluids
Statistical physics
Fluid dynamics
Issue Date: 1998
Publisher: American Physical Society
Abstract: 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.
Note: Reproducció digital del document proporcionada per PROLA i
It is part of: Physical Review Letters, 1998, vol. 80, núm. 5, p. 1098-1101
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ISSN: 0031-9007
Appears in Collections:Articles publicats en revistes (Física de la Matèria Condensada)

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