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Evolving random fractal Cantor superlattices for the infrared using a genetic algorithm

Jeremy A. Bossard, Lan Lin, Douglas H. Werner
2016 Journal of the Royal Society Interface  
A genetic algorithm is used to evolve optimal fractal random Cantor bars with multiple generators targeting several desired optical functions in the mid-infrared and the near-infrared.  ...  Fractal geometry, often described as the geometry of Nature, can be used to mimic structures found in Nature, but deterministic fractals produce structures that are too 'perfect' to appear natural.  ...  D 0 D 1 g 0 D 0 D 2 g 0 D 1 D 3 g 0 D 2 stage 1 stage 2 stage 3 R R T T Genetic algorithm synthesis of random fractal Cantor superlattices In order to exploit the multi-generator Cantor bar fractal to  ... 
doi:10.1098/rsif.2015.0975 pmid:26763335 pmcid:PMC4759801 fatcat:ijfjxtix5beojk37uqjvit7sn4

Measurement of the Efficiency of Parallel Genetic Algorithm for Compress and Decompression of Fractal Imaging Using Multiple Computers

Shahla Abdul Qadir
2013 ˜Al-œRafidain journal for computer sciences and mathematics  
Keywords-Parallel Genetic Algorithm (PGA), Fractal Image Coding(FIC) , Local Iterated Function System(LIFS), Rang Block, Domain Block. ‫  ...  The research aims at using the Parallel Genetic Algorithm (PGA) by the technology of the (Manager/Worker) in parallel computers to obtain best and quickest compress for images by coding the site of the  ...  Algorithm (PGA) ‫ل‬ ‫ة‬ ‫ة‬ ‫ة/اللامد‬ ‫ةالمدية‬ ‫بتقنية‬ ( Manager/db 31.79 ‫الى‬ ‫وصلت‬ ‫ايزمية‬ ‫للخو‬ ‫تنييا‬ ‫بسرعة‬ s 28 .  ... 
doi:10.33899/csmj.2013.163496 fatcat:dsieayhy4rbgfc4getunv3ckjq

An IFS-Parameter Quantization Method for Fractal Image Coding with Genetic Algorithms
フラクタル画像符号化におけるGAを用いたIFSパラメータの量子化法

Megumi Takezawa, Miki Haseyama, Hideo Kitajima
2002 The Journal of The Institute of Image Information and Television Engineers  
This paper proposes a high-accuracy quantization method for IFS parameters in fractal image coding by using genetic algorithms (GA).  ...  The conventional method quantizes the IFS parameters to the nearest possible values and thus minimizes the quantization errors.  ...  The structure of the string in the proposed GA processor.  ... 
doi:10.3169/itej.56.1633 fatcat:qm5s5e6uwrdejjkpfyq6nfuuce

2DPCA fractal features and genetic algorithm for efficient face representation and recognition

Yousra Ben Jemaa, Ahmed Derbel, Ahmed Ben Jmaa
2011 EURASIP Journal on Information Security  
We propose a new fractal feature extraction algorithm based on genetic algorithms to speed up the feature extraction step.  ...  We show that fractal features obtained from Iterated Function System allow a successful face recognition and outperform the classical approaches.  ...  Genetic algorithm for fractal coding A.  ... 
doi:10.1186/1687-417x-2011-1 fatcat:i5serxnfqjcfzon2fwxtp7o5di

OPTIMIZATION OF FRACTAL COMPRESSION OF 3D IMAGES USING A GENETIC ALGORITHM

Zahra Khanmirza, Farhad Ramezani, Homayon Motameni
2015 Advances in Science and Technology Research Journal  
procedure has a low search speed, we used genetic algorithm to remove the case.  ...  In this paper, a procedure is presented for a suitable compression based on fractal compression which shows that we obtain high compression rate with an appropriate image quality; however, since the proposed  ...  Then, we deal with genetic algorithm to achieve the intended result by using fractal compression.  ... 
doi:10.12913/22998624/2376 fatcat:ermmkm5j6vc75gfhrn4z2fnilu

Fractal Dimension: An Index To Quantify Parameters In Genetic Algorithms

Mahmoud R. Shaghaghian
2010 Zenodo  
Genetic Algorithms (GAs) are direct searching methods which require little information from design space.  ...  There are many attempts to modify the algorithms to make them more efficient.  ...  In this study it is tried to modify a Genetic Algorithm by implication of concept of fractal dimension.  ... 
doi:10.5281/zenodo.1062672 fatcat:zm3xw6nnzbhjblb6tdx7s4vkpe

Fractal Images Compressing by Estimating the Closest Neighborhood with Using of Schema Theory

Jampour
2010 Journal of Computer Science  
in genetic algorithms first through neighborhood and then schema theory and this significantly decrease the time for producing a compressed images.  ...  Approach: In this research with this attitude that the best blocks are the neighborhood blocks, we tried to find the best neighbor blocks; this search process was improved by using genetic algorithms and  ...  Genetic algorithms: The genetic algorithm is a biologically motivated search method mimicking the natural selection and natural genetics.  ... 
doi:10.3844/jcssp.2010.591.596 fatcat:lrasjng6jrajbagbwu6ne3xrji

Grammatical evolution to design fractal curves with a given dimension

A. Ortega, A. A. Dalhoum, M. Alfonseca
2003 IBM Journal of Research and Development  
Grammar) and a phenotype (the fractal curve).  ...  Variation acts at the genotype level, while selection is performed at the phenotype level (by comparing the dimensions of the fractal curves to the desired value).  ...  Acknowledgments This paper has been sponsored by the Spanish Ministry of Science and Technology (MCYT), project numbers TIC2002-01948 and TIC2001-0685-C02-01.  ... 
doi:10.1147/rd.474.0483 fatcat:gql6epmksva3he62r7wob6whmu

Application of Bio-Inspired Algorithms and Neural Networks for Optimal Design of Fractal Frequency Selective Surfaces [chapter]

Paulo Henrique da Fonseca Silva, Marcelo Ribeiro da Silva, Clarissa de Lucena Nbrega, Adaildo Gomes
2012 Real-World Applications of Genetic Algorithms  
Continuous genetic algorithm Continuous genetic algorithm is very similar to the binary-GA but works with floating-point variables.  ...  used to compute the cost (or fitness) function in the genetic algorithm iterations.  ... 
doi:10.5772/36106 fatcat:7nof6lpjtbbatg2zv55jgc55wy

Genetic Estimation of Iterated Function Systems for Accurate Fractal Modeling in Pattern Recognition Tools [chapter]

Alfredo Cuzzocrea, Enzo Mumolo, Giorgio Mario Grasso
2017 Lecture Notes in Computer Science  
We show that the estimation algorithm has a very good convergence to the global minimum. However, the set-up of the genetic algorithm should be properly tuned.  ...  In this paper, we describe an algorithm to estimate the parameters of Iterated Function System (IFS) fractal models.  ...  Very good Segmental SNR results were obtained by estimating the IFS fractal models with genetic algorithms.  ... 
doi:10.1007/978-3-319-62392-4_26 fatcat:trfnxbnr5bazvowjqy6vp2qq7y

An improved fractal image compression approach by using iterated function system and genetic algorithm

Yang Zheng, Guanrong Liu, Xiaoxiao Niu
2006 Computers and Mathematics with Applications  
The multiobject fitness function is also applied in this algorithm. In addition, a distributed version of the binary image compression algorithm is implemented.  ...  A b s t r a c t --T h i s paper presents an improved method of generating a binary image affine IFS (iterated function system) by using genetic algorithm.  ...  Based on the genetic algorithm and IFS, the distributed fractal binary image compression algorithm may be written as below. STEP 1.  ... 
doi:10.1016/j.camwa.2006.05.010 fatcat:ambs6epq7fa7nkxbxqo2qgsh6i

Fractal image compression based on spatial correlation and hybrid particle swarm optimization with genetic algorithm

Gohar Vahdati, Habib Khodadadi, Mahdi Yaghoobi, Mohammad-R. Akbarzadeh-T.
2010 2010 2nd International Conference on Software Technology and Engineering  
In this paper, a fractal image compression algorithm based on spatial correlation and hybrid particle swarm optimization with genetic algorithm (SC-PSOGA), is proposed to reduce the searching space.  ...  There are two stages for the algorithm: (1) Make use of spatial correlation in images for both range and domain pool to exploit local optima. (2) Adopt hybrid particle swarm optimization with genetic algorithm  ...  Genetic Algorithm Genetic algorithm is a biologically motivated search method mimicking the natural selection and natural genetics.  ... 
doi:10.1109/icste.2010.5608826 fatcat:o3n4mvhhczf3bpk3ewvanjh5rq

A local search operator in Quantum Evolutionary Algorithm and its application in Fractal Image Compression

Hossein Mohamadi, Ali Nodehi, Mohamad Tayarani
2010 2010 The 2nd International Conference on Computer and Automation Engineering (ICCAE)  
Fractal Image Compression is an optimization problem in the class of NP-Hard problems.  ...  The proposed algorithm uses Simulated Annealing algorithm in its search process. The SA is performed on observed possible solution to help the algorithm escaping from local optima.  ...  Several works try to improve the algorithm of fractal image compression using Genetic algorithm.  ... 
doi:10.1109/iccae.2010.5451742 fatcat:hfzx3c3rrzdhblpng5dsbv2sfa

Using Triangular Function To Improve Size Of Population In Quantum Evolution Algorithm For Fractal Image Compression

Amin Qorbani, Ali Nodehi, Saeed Nodehi
2011 Advanced Computing An International Journal  
Genetic algorithms are widely used for fractal image compression problems, but QEA is not used for this kind of problems yet.  ...  Fractal Image Compression is a well-known problem which is in the class of NP-Hard problems.  ...  ACKNOWLEDGEMENTS The authors would like to return thanks the financial support the Islamic Azad University, Kordkoy Branch, Iran.  ... 
doi:10.5121/acij.2011.2613 fatcat:etwt77mb4zczjc4qysgzp3gloa

Square Function for Population Size in Quantum Evolutionary Algorithm and its Application in Fractal Image Compression

Amin Qorbani, Ali Nodehi, Ali Ahmadi, Saeed Nodehi
2011 2011 Sixth International Conference on Bio-Inspired Computing: Theories and Applications  
Genetic algorithms are widely used for fractal image compression problems, but QEA is not used for this kind of problems yet.  ...  Fractal Image Compression is a well-known problem which is in the class of NP-Hard problems.  ...  ACKNOWLEDGEMENTS The authors would like to return thanks the financial support the Islamic Azad University, Gorgan Branch, Iran.  ... 
doi:10.1109/bic-ta.2011.1 dblp:conf/bic-ta/QorbaniNAN11 fatcat:7an3fn7mwfcs5oszbrht5dkezu
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