نتایج جستجو برای: stochastic fractal search

تعداد نتایج: 441909  

Journal: :Advanced photonics research 2021

The scale-invariant features of fractal-structured materials offer significant opportunities for the manipulation short- and long-range light–matter interactions in a 3D space, with recent photonics applications including biomolecular sensing visible-blind photodetectors. development synthesis methods large-scale fabrication fractal metamaterials tuneable hierarchy bears potential is focus many...

Journal: :Fractal and fractional 2022

The universal fractality of river networks is very well known, however understanding their underlying mechanisms still lacking from a stochastic point view. In this study, we have described the fractal natures by introducing model where direction flow at site determined dynamical replication probability which depends on drainage area rather than random. We found that induces persistency in flow...

Journal: :Mathematics and Statistics 2022

Electrolytes are of interest because thin plate coatings normally obtained from aqueous solutions. The properties the surface important various such as resistance or durability depend on it. To understand phenomenological processes, it is better to analyze simpler processes sodium chloride. In this paper, a model proposed predict temporal behavior fractal dimension patterns formed in salts prec...

This work presents a hybrid method for motif discovery in DNA sequences. The proposed method called SPSO-Lk, borrows the concept of Chebyshev polynomials and uses the stochastic local search to improve the performance of the basic PSO algorithm as a motif finder. The Chebyshev polynomial concept encourages us to use a linear combination of previously discovered velocities beyond that proposed b...

2005
Diego Puppin Matthieu Morel Denis Caromel Domenico Laforenza Françoise Baude

In this contribution, we discuss about the features needed by a component-oriented framework, in order to implement a tool for component search. In particular, we address the Fractal framework: we describe its main features and what is needed to perform effective component search in this framework.

Journal: :IEEE transactions on image processing : a publication of the IEEE Signal Processing Society 2002
Chong Sze Tong Man Wong

Fractal image encoding is a computationally intensive method of compression due to its need to find the best match between image subblocks by repeatedly searching a large virtual codebook constructed from the image under compression. One of the most innovative and promising approaches to speed up the encoding is to convert the range-domain block matching problem to a nearest neighbor search pro...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2008
Frederic Bartumeus Simon A Levin

The movement ecology framework depicts animal movement as the result of the combined effects of internal and external constraints on animal navigation and motion capacities. Nevertheless, there are still fundamental problems to understand how these modulations take place and how they might be translated into observed statistical properties of animal trajectories. Of particular interest, here, i...

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