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Texture plays an important role in computer vision. It is one of the most important visual attributes used in image analysis, once it provides information about pixel organization at different regions of the image. This paper presents a…

Computer Vision and Pattern Recognition · Computer Science 2014-12-30 André R. Backes , Odemir M. Bruno

Algorithmic fractal dimensions quantify the algorithmic information density of individual points and may be defined in terms of Kolmogorov complexity. This work uses these dimensions to bound the classical Hausdorff and packing dimensions…

Computational Complexity · Computer Science 2021-03-02 Neil Lutz

Several two-dimensional studies in spiral galaxies show that HII star formation regions have a fractal distribution, with a fractal dimension of approximately 2.3. In this work, the fractal dimension is calculated through the box-counting…

Astrophysics of Galaxies · Physics 2020-08-04 Canavesi Tobias , Hurtado Santiago

We propose a novel method to measure the fractal dimension of a submonolayer metal adatom system grown under conditions of limited diffusivity on a surface. The method is based on measuring the specular peak attenuation of He atoms…

chem-ph · Physics 2009-10-28 D. A. Hamburger , A. T. Yinnon , R. B. Gerber

Covering a network with the minimum possible number of boxes can reveal interesting features for the network structure, especially in terms of self-similar or fractal characteristics. Considerable attention has been recently devoted to this…

Disordered Systems and Neural Networks · Physics 2009-11-13 Chaoming Song , Lazaros K. Gallos , Shlomo Havlin , Hernan A. Makse

We argue that a finite iteration of any surface fractal can be composed of mass-fractal iterations of the same fractal dimension. Within this assertion, the scattering amplitude of surface fractal is shown to be a sum of the amplitudes of…

Statistical Mechanics · Physics 2017-06-05 A. Yu. Cherny , E. M. Anitas , V. A. Osipov , A. I. Kuklin

A gray-level image texture descriptors based on fractal dimension estimation is proposed in this work. The proposed method estimates the fractal dimension using probability (Voss) method. The descriptors are computed applying a multiscale…

Data Analysis, Statistics and Probability · Physics 2012-05-15 J. B. Florindo , O. M. Bruno

Fractal dimension is defined on the base of entropy, including macro state entropy and information entropy. The generalized correlation dimension of multifractals is based on Renyi entropy. However, the mathematical transform from entropy…

Physics and Society · Physics 2020-11-17 Yanguang Chen

We present a comprehensive structural characterization of two different highly pure nuclear graphites that compasses all relevant length scales from nanometers to sub-mm. This has been achieved by combining several experiments and neutron…

In this work, we present a mathematical model to describe the adsorption-diffusion process on fractal porous materials. This model is based on the fractal continuum approach and considers the scale-invariant properties of the surface and…

Following \cite{Visintin}, we exploit the fractional perimeter of a set to give a definition of fractal dimension for its measure theoretic boundary. We calculate the fractal dimension of sets which can be defined in a recursive way and we…

Analysis of PDEs · Mathematics 2016-03-22 Luca Lombardini

Optical scattering strength of fractal optical disordered media with varying fractal dimension is reported. The diffusion limited aggregation (DLA) technique is used to generate fractal samples in 2D and 3D, and fractal dimensions are…

Holographic particle characterization uses quantitative analysis of holographic microscopy data to precisely and rapidly measure the diameter and refractive index of individual colloidal spheres in their native media. When this technique is…

Soft Condensed Matter · Physics 2022-10-19 Rafe Abdulali , Lauren E. Altman , David G. Grier

Fractal geometry proved to be an effective mathematical tool for exploring real geographical space based on digital maps and remote sensing images. Whether the fractal theory tool can be applied to abstract geographical space has not been…

Physics and Society · Physics 2023-06-06 Yanguang Chen

Clouds in observations are fractals: they show self-similarity across scales ranging from one to 1000 km. This includes individual storms and large-scale cloud structures typical of organised convection. It is not known whether global…

Atmospheric and Oceanic Physics · Physics 2022-01-05 Hannah M. Christensen , Oliver G. A. Driver

The conventional mathematical methods are based on characteristic length, while urban form has no characteristic length in many aspects. Urban area is a measure of scale dependence, which indicates the scale-free distribution of urban…

Physics and Society · Physics 2020-11-17 Yanguang Chen

The development of algorithmic fractal dimensions in this century has had many fruitful interactions with geometric measure theory, especially fractal geometry in Euclidean spaces. We survey these developments, with emphasis on connections…

Computational Complexity · Computer Science 2020-07-29 Jack H. Lutz , Elvira Mayordomo

Fractal dimension constitutes the main tool to test for fractal patterns in Euclidean contexts. For this purpose, it is always used the box dimension, since it is easy to calculate, though the Hausdorff dimension, which is the oldest and…

Dynamical Systems · Mathematics 2016-08-07 Magdalena Nowak , Manuel Fernández-Martínez , Miguel Angel Sánchez-Granero

Shape is one of the most important visual attributes to characterize objects, playing a important role in pattern recognition. There are various approaches to extract relevant information of a shape. An approach widely used in shape…

Computer Vision and Pattern Recognition · Computer Science 2012-01-17 André Ricardo Backes , Odemir Martinez Bruno

In this article, we present a novel box-covering algorithm for analyzing the fractal properties of complex networks. Unlike traditional algorithms that impose a predetermined box size, our approach assigns nodes to boxes identified by their…

Disordered Systems and Neural Networks · Physics 2025-09-23 Michal Lepek , Kordian Makulski , Agata Fronczak , Piotr Fronczak