English
Related papers

Related papers: Fractal Dimension and Retinal Pathology: A Meta-an…

200 papers

A fractal is in essence a hierarchy with cascade structure, which can be described with a set of exponential functions. From these exponential functions, a set of power laws indicative of scaling can be derived. Hierarchy structure and…

Physics and Society · Physics 2017-07-13 Yanguang Chen

We use persistent homology in order to define a family of fractal dimensions, denoted $\mathrm{dim}_{\mathrm{PH}}^i(\mu)$ for each homological dimension $i\ge 0$, assigned to a probability measure $\mu$ on a metric space. The case of…

For Gaussian Spin Glasses in low dimensions, we introduce a simple Strong Disorder renormalization procedure at zero temperature. In each disordered sample, the difference between the ground states associated to Periodic and Anti-Periodic…

Disordered Systems and Neural Networks · Physics 2016-01-06 Cecile Monthus

It is demonstrated that the dynamic structure is very important for the rate of drainage of a thin liquid film and it can be effectively taken into account by a dynamic fractal dimension. It is shown that the latter is a powerful tool for…

Soft Condensed Matter · Physics 2015-06-17 R. Tsekov , E. Evstatieva

Wireless mesh networks (WMNs) depend on the spatial distribution of nodes, which directly influences connectivity, routing efficiency, and overall network performance. Conventional models typically assume uniform or random node placement,…

Networking and Internet Architecture · Computer Science 2025-12-01 Marat Zaidyn , Sayat Akhtanov , Dana Turlykozhayeva , Symbat Temesheva , Almat Akhmetali , Alisher Skabylov , Nurzhan Ussipov

Kinetic processes in fractal stellar media are analysed in terms of the approach developed in our earlier paper (Chumak \& Rastorguev, 2015) involving a generalization of the nearest neighbour and random force distributions to fractal…

Astrophysics of Galaxies · Physics 2016-11-23 Oleg V. Chumak , Alexey S. Rastorguev

Recently, we pointed out that on a class on non exactly decimable fractals two different parameters are required to describe diffusive and vibrational dynamics. This phenomenon we call dynamical dimension splitting is related to the lack of…

Statistical Mechanics · Physics 2007-05-23 Raffaella Burioni , Davide Cassi , Sofia Regina

We study the kinetics of random sequential adsorption of a mixture of particles with continuous distribution of sizes for different deposition rules. It appears in the long time limit the resulting system can be described using the fractal…

Condensed Matter · Physics 2008-02-03 M. K. Hassan

Retinal Vessel Segmentation is important for the diagnosis of various diseases. The research on retinal vessel segmentation focuses mainly on the improvement of the segmentation model which is usually based on U-Net architecture. In our…

Image and Video Processing · Electrical Eng. & Systems 2021-06-01 Enes Sadi Uysal , M. Şafak Bilici , B. Selin Zaza , M. Yiğit Özgenç , Onur Boyar

The curves of scaling behavior is a significant concept in fractal dimension analysis of complex systems. However, the underlying rationale of this kind of curves for fractal cities is not yet clear. The aim of this paper is at researching…

Physics and Society · Physics 2025-08-28 Yanguang Chen

Urban form and growth can be described with fractal dimension, which is a measurement of space filling of urban evolution. Based on empirical analyses, a discovery is made that the time series of fractal dimension of urban form can be…

Physics and Society · Physics 2018-12-19 Yanguang Chen

The relationship between fracture aperture (maximum opening; dmax) and fracture width (w) has been the subject of debate over the past several decades. An empirical power law has been commonly applied to relate these two parameters. Its…

Geophysics · Physics 2019-07-16 Behzad Ghanbarian , Edmund Perfect , Hui-Hai Liu

Topics concerning metric dimension related invariants in graphs are nowadays intensively studied. This compendium of combinatorial and computational results on this topic is an attempt of surveying those contributions that are of the…

Combinatorics · Mathematics 2021-07-13 Dorota Kuziak , Ismael G. Yero

The significant portion of diabetic patients was affected due to major blindness caused by Diabetic retinopathy (DR). For diabetic retinopathy, lesion segmentation, and detection the comprehensive examination is delved into the deep…

Artificial Intelligence · Computer Science 2024-11-20 Syed Mohd Faisal Malik , Md Tabrez Nafis , Mohd Abdul Ahad , Safdar Tanweer

Dimension theory lies at the heart of fractal geometry and concerns the rigorous quantification of how large a subset of a metric space is. There are many notions of dimension to consider, and part of the richness of the subject is in…

Metric Geometry · Mathematics 2019-09-20 Jonathan M. Fraser

Recent Alzheimer's disease (AD) patient studies have focused on retinal analysis, as the retina is the only part of the central nervous system which can be imaged non-invasively by optical methods. However as this is a relatively new…

Fractal dimensions can be used to characterize the clustering and lacunarities in density distributions. We use generalized fractal dimensions to study the neutral hydrogen distribution (HI) during the epoch of reionization. Using a…

Cosmology and Nongalactic Astrophysics · Physics 2017-01-18 Bidisha Bandyopadhyay , T. Roy Choudhury , T. R. Seshadri

Major retinal layer segmentation methods from OCT images assume that the retina is flattened in advance, and thus cannot always deal with retinas that have changes in retinal structure due to ophthalmopathy and/or curvature due to myopia.…

Image and Video Processing · Electrical Eng. & Systems 2024-10-03 Tsubasa Konno , Takahiro Ninomiya , Kanta Miura , Koichi Ito , Noriko Himori , Parmanand Sharma , Toru Nakazawa , Takafumi Aoki

We establish pointwise and distributional fractal tube formulas for a large class of relative fractal drums in Euclidean spaces of arbitrary dimensions. A relative fractal drum (or RFD, in short) is an ordered pair $(A,\Omega)$ of subsets…

Mathematical Physics · Physics 2023-04-27 Michel L. Lapidus , Goran Radunović , Darko Žubrinić

We study domain formation in the two-dimensional O(3) model near criticality. The fractal dimension of these domains is determined with good statistical accuracy.

High Energy Physics - Lattice · Physics 2009-10-28 C. Christou , F. K. Diakonos , H. Panagopoulos