Open access

Introductory Chapter: Fractal Analysis – Applications and Updates

Written By

Sid-Ali Ouadfeul

Submitted: 26 September 2023 Published: 09 November 2023

DOI: 10.5772/intechopen.1003162

From the Edited Volume

Fractal Analysis - Applications and Updates

Dr. Sid-Ali Ouadfeul

Chapter metrics overview

35 Chapter Downloads

View Full Metrics

1. Introduction

Numerous objects in nature have a fractal behavior; a few of the foremost common illustrations would include: (1) branches of trees (Figure 1), (2) animal bodies (see Figure 2), (3) snowflakes (Figure 3), (4) lightning and power (Figure 4), (5) plants and takes off (Figure 5), (6) geographic mountains (Figure 6), (7) river frameworks (Figure 7), (8) clouds (Figure 8), and (9) precious stones (Figure 9) [1]. Fractal analysis is the modeling of information of which fractality is the inborn property. The key idea of fractal goes back to Mandelbrot [2], who presented it in 1977 as a numerical representation of self-similar objects. The fractal analysis applies to physical frameworks that are recognized by a similitude of behavior over a multitude of scales or, within the most articulated cases, by self-similarity, where this similitude is protected through an interminability of scales. Domains of application of the fractal analysis are developing, from mathematical concepts in early 1970s to the full spectrum of sciences, and it has illustrated numerous areas of applications. There are five primary applications of fractal analysis [3]: (1) fractal cities, (2) fractal medicine, (3) image compression and resolution, (4) antennas, and (5) art. This book will provide some advances and the latest applications of fractal analysis in some branches of science. In what follows, we provide a brief description of fractal analysis applications within the five branches of sciences.

Figure 1.

Example of branches of a tree that has a fractal architecture [1].

Figure 2.

Fractal behavior of animal’s heart branches [1].

Figure 3.

A picture showing snowflakes with its fractal architecture [4].

Figure 4.

Lightning storm [1].

Figure 5.

A picture showing the fractal behavior of a plant [1].

Figure 6.

A picture showing the fractal behavior of a series of mountains [1].

Figure 7.

A picture of a river with its fractal architecture [1].

Figure 8.

Clouds with its fractal behavior [1].

Figure 9.

A picture showing the fractal behavior of crystals [1].

Advertisement

2. Fractal cities

Cities are complex frameworks that carry on in a few ways like living beings. The rules of chaos hypothesis and fractals apply straightforwardly to the development of cities, and the ponder of urban designs permits us to take advantage of the tests of past societies to shape our future with as much mindfulness of the results of our activities as conceivable. The physical structure of a city provides the record of decades or centuries of human action. Cities that have a historical record of their urban approaches—basically zoning codes—allow us to think about the effect of distinctive sorts of rules on the advancement of cities. The fractal shapes of fractal cities come from millions of people choosing how they need to live. Essentially, it may be a city that has comparable structures at distinctive scales. A huge fractal city tends to develop that way by retaining parcels of smaller towns. So, the city gets to be a collection of towns, and the towns are collections of neighborhoods. The streets in a fractal city tend to go in apparently indiscriminate bearings, but truly, they serve as coordinate associations between different central center points in an energetic urban organize. An inclining street can be as much as ~70% (1/sqrt (2)) shorter than two streets in a rectangular framework, so there are efficiencies built into the geometry of the city.

Advertisement

3. Fractal medicine

Present-day medicine regularly includes looking at frameworks within the body to decide if something is breaking down. Since the body is full of fractals, we will utilize fractal math to evaluate, depict, analyze, and maybe, before long, assist in remedying illnesses. With advanced imaging hardware such as CT Scanners and MRI machines, specialists can access a tremendous sum of computerized information, almost an understanding. Making sense of all the information can be time-consuming and troublesome indeed for prepared specialists. Instructing computers to use scientific forms to tell the contrast between sound lungs and lungs enduring from emphysema guarantees to assist in making faster, more dependable analyses. The fractal measurement of the lung shows up to differ between sound and wiped-out lungs, possibly helping within the mechanized location of the illness. Cancer is another illness where fractal analysis may not only offer assistance analysis but may also offer assistance treatment. It is well known that cancerous tumors—unusual, fast development of cells—regularly have a characteristic development of modern blood vessels that frame a tangled mess rather than the flawless, efficient fractal organize of sound blood vessels. Not only can these failing vessels specifically hurt the tissue, but they can make it harder to treat the illness by anticipating drugs from entering the inward parts of tumors where the drugs are most required [5, 6].

Advertisement

4. Image compression and resolution

Fractal compression is a picture compression strategy that is still widely utilized nowadays. It is based on the discovery of the repeat of designs and tends to dispense with the redundancy of data within the picture.

This is often a damaging strategy since all of the introductory information is not found within the last picture. There are a few strategies (subdivision of triangles, Delaunay, etc.), but compression utilizing the Jacquin strategy is the finest known. The outline of the picture compression by the Jacquin Strategy is depicted as taken after:

  • Fractal compression comprises, to begin with of all in carrying out two segmentations (moreover called tailings or dividing) on an image: a division of Source figures and a division of Goal figures.

  • It is at that point a matter of finding for each Source figure what is the leading combine (source figure, goal figure) minimizing an error. This blunder is ordinarily calculated by subtracting the two figures. To carry out the subtraction operation, it is essential to convert the source figure to the measurements (and geometry) of the goal figure.

  • Once all the sets have been found, the yield record at that point contains the different pairs, as well as the diverse changes carried out (revolution, diminishment of the cruel, etc.).

  • Amid decompression, the picture is reproduced from these changes. Meeting is at that point ensured by the reality that there is a minimization of mistake (contrast) and an alteration of the pixels; on the other hand, the source figures are bigger than the goal figures. Fractal compression employs the same property to reproduce the picture [7].

Advertisement

5. Antennas

A fractal Antenna is a receiving wire employing a fractal plan called self-similar. The objective is to maximize the effective length or extend the fabric’s edge (on the inner areas or the outside structure) that can get or transmit electromagnetic radiation on a given surface or add up to volume [8]. Such fractal antennas are moreover called filling bends or multi-level bends. Their key perspective is their reiteration of a design over a few scale sizes. For this reason, fractal antennas are exceptionally compact, multiband or broadband, and have broadcast and microwave communications applications. The reaction of a fractal antenna varies altogether from conventional Antenna plans since it can work at numerous concurrent frequencies with great to fabulous execution. Ordinarily, standard antennas must be “trimmed” concurring to their recurrence of utilize, so standard antennas work well at that recurrence. In expansion, the fractal nature of the radio wire allows its measure to be decreased without having to utilize components such as inductors or capacitors. Fractals are created using the iterative strategy to unravel nonlinear conditions or polynomial conditions. The increment in computer control has allowed the creation of program permitting the calculation of three-dimensional pictures in computer-generated pictures, in this way advertising the capacities and impacts more often than not saved for classic three-dimensional modeling computer programs (lights, volumetric lights, profundity obscure, air, reflection/refraction of certain materials, surfaces, etc.) [9].

Advertisement

6. Art

Fractal art could be a set of algorithmic craftsmanship comprising pictures, liveliness, and music from fractal objects. Julia can be considered as symbol of fractal art. Fractal art can be drawn or painted by hand, or utilizing computers, which can calculate fractal capacities and create pictures from them. It is additionally the appearance of computers that allowed the advancement of this arts, since it requires a part of computing control.

Fractal picture generator programs ordinarily work in three steps: altering the parameters that oversee the era of the picture, performing the calculations, and, at last, applying the comes to arrange to produce an image. For liveliness, the operation will have to be rehashed for each image produced [10].

References

  1. 1. INTERNAL. What is a Fractal? Available from: https://iternal.us/what-is-a-fractal/#:~:text=Some%20of%20the%20most%20common%20examples%20of%20Fractals%20in%20nature,river%20systems%2C%20clouds%2C%20crystals
  2. 2. Mandelbrot BB. Fractals. Form, Chance and Dimension. San Francisco: Freeman; 1977. 365 p
  3. 3. MATHEMATICS. Top 5 Applications of Fractals. Canada: University of Waterloo; Available from: https://uwaterloo.ca/math/news/top-5-applications-fractals
  4. 4. New York Times. Photos of Snowflakes Like You’ve Never Seen Them Before. New York, USA: The New York Times; Available from: https://www.nytimes.com/2021/03/10/science/snowflakes-photos-nathan-myhrvold.html
  5. 5. Fractal Applications, Fractal Cities. Available from: http://fractalfoundation.org/OFC/OFC-12-3.html#:~:text=Rome%20is%20much%20more%20of,Image%20courtesy%20of%20Google%20Earth
  6. 6. Fractal Applications, Fractal Medicine. Available from: http://fractalfoundation.org/OFC/OFC-12-4.html
  7. 7. Saturn Cloud. Fractal-Based Image Compression Algorithm. 2023. Available from: https://saturncloud.io/blog/fractalbased-image-compression-algorithm/
  8. 8. Abed AT, Abu-AlShaer MJ, Jawad AM. In: Al-Rizzo H, editor. Fractal Antennas for Wireless Communications, Modern Printed-Circuit Antennas. Rijeka, Croatia: Intechopen; 2020. DOI: 10.5772/intechopen.90332
  9. 9. Fractal Antenna. Available from: https://www.antenna-theory.com/antennas/fractal.php
  10. 10. Briggs J. Fractals: The Patterns of Chaos. London: Thames & Hudson; 1992. 192 p. ISBN: 978-0-500-27693-8

Written By

Sid-Ali Ouadfeul

Submitted: 26 September 2023 Published: 09 November 2023