Fractal time and 1/f spectra in dynamic images and human vision

被引:61
作者
Billock, VA [1 ]
de Guzman, GC [1 ]
Kelso, JAS [1 ]
机构
[1] Florida Atlantic Univ, Ctr Complex Syst & Brain Sci, Boca Raton, FL 33431 USA
来源
PHYSICA D | 2001年 / 148卷 / 1-2期
基金
美国国家卫生研究院;
关键词
1/f natural image statistics; correlational structure; temporal frequency channels; human temporal vision;
D O I
10.1016/S0167-2789(00)00174-3
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
Many physical and biological systems have 1/f(beta) Fourier spectra - a fractal attribute implying multiple similar mechanisms operating at various spatial and temporal scales. These scaling laws of physical phenomena should have correlates in perceptual mechanisms that have evolved to transduce them. We show that measures of a changing visual environment and perceptual measures of how we see it exhibit fractal-like multiscale characteristics; both dynamic images of natural scenes and human temporal frequency perception display commensurate 1/f(beta) spectral behavior. (C) 2001 Published by Elsevier Science B.V.
引用
收藏
页码:136 / 146
页数:11
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