Works matching AU Akgul, Akif

Results: 69

An Efficient Lightweight Image Encryption Scheme Using Multichaos.

Published in:

Security & Communication Networks, 2022, p. 1, doi. 10.1155/2022/5680357

By:

Ullah, Asad;
Shah, Awais Aziz;
Khan, Jan Sher;
Sajjad, Mazhar;
Boulila, Wadii;
Akgul, Akif;
Masood, Junaid;
Ghaleb, Fuad A.;
Shah, Syed Aziz;
Ahmad, Jawad

Publication type:

Article

A novel dissipative and conservative megastable oscillator with engineering applications.

Published in:

Modern Physics Letters B, 2020, v. 34, p. N.PAG, doi. 10.1142/S021798492150007X

By:

Rajagopal, Karthikeyan;
Singh, Jay Prakash;
Akgul, Akif;
Karthikeyan, Anitha;
Duraisamy, Prakash;
Roy, Binoy Krishna;
Karaca, Ahmet

Publication type:

Article

A novel data hiding method by using a chaotic system without equilibrium points.

Published in:

Modern Physics Letters B, 2019, v. 33, n. 29, p. N.PAG, doi. 10.1142/S0217984919503573

By:

Akgul, Akif;
Moroz, Irene M.;
Durdu, Ali

Publication type:

Article

Chaotic cuttlesh: king of camouage with self-excited and hidden flows, its fractional-order form and communication designs with fractional form.

Published in:

Discrete & Continuous Dynamical Systems - Series B, 2020, v. 25, n. 3, p. 1001, doi. 10.3934/dcdsb.2019205

By:

Rajagopal, Karthikeyan;
Cicek, Serdar;
Akgul, Akif;
Jafari, Sajad;
Karthikeyan, Anitha

Publication type:

Article

Perioperative SARS-CoV-2 Infection in Patients Undergoing Elective Surgery in Gynecology Clinic: Tertiary Center Experience.

Published in:

Gynecology Obstetrics & Reproductive Medicine (MN GORM), 2022, v. 28, n. 2, p. 164, doi. 10.21613/GORM.2021.1206

By:

TOPTAS, Gulnihal Reyhan;
UNLUBILGIN, Eylem;
KINAY, Tugba;
AKSAKAL, Sezin Erturk;
AKGUL, Mehmet Akif;
DOGAN, Ali Riza;
ERCAN, Emel Ebru;
ASLANOVA, Sitare;
KORKMAZ, Vakkas;
USTUN, Yaprak

Publication type:

Article

Fractional Order Simple Chaotic Oscillator with Saturable Reactors and Its Engineering Applications.

Published in:

Information Technology & Control, 2019, v. 48, n. 1, p. 115, doi. 10.5755/j01.itc.48.1.19641

By:

Rajagopal, Karthikeyan;
Jafari, Sajad;
Kacar, Sezgin;
Karthikeyan, Anitha;
Akgul, Akif

Publication type:

Article

Complex bio rhythms.

Published in:

European Physical Journal: Special Topics, 2022, v. 231, n. 5, p. 815, doi. 10.1140/epjs/s11734-022-00540-7

By:

Akgul, Akif;
Savi, Marcelo A.;
Yildiz, Mustafa Zahid;
Sanjuan, Miguel A. F.;
Ma, Jun

Publication type:

Article

Fractal dimension-based viability analysis of cancer cell lines in lens-free holographic microscopy via machine learning.

Published in:

European Physical Journal: Special Topics, 2022, v. 231, n. 5, p. 1023, doi. 10.1140/epjs/s11734-021-00342-3

By:

Pala, Muhammed Ali;
Çimen, Murat Erhan;
Akgül, Akif;
Yıldız, Mustafa Zahid;
Boz, Ali Fuat

Publication type:

Article

Circuit application of chaotic systems: modeling, dynamical analysis and control.

Published in:

2021

By:

Lai, Qiang;
Bao, Bocheng;
Chen, Chaoyang;
Kengne, Jacques;
Akgul, Akif

Publication type:

Editorial

A new chaotic oscillator containing generalised memristor, single op-amp and RLC with chaos suppression and an application for the random number generation.

Published in:

European Physical Journal: Special Topics, 2019, v. 228, n. 10, p. 2233, doi. 10.1140/epjst/e2019-900040-x

By:

Singh, Jay Prakash;
Koley, Jit;
Akgul, Akif;
Gurevin, Bilal;
Roy, Binoy Krishna

Publication type:

Article

Dynamical analysis, sliding mode synchronization of a fractional-order memristor Hopfield neural network with parameter uncertainties and its non-fractional-order FPGA implementation.

Published in:

European Physical Journal: Special Topics, 2019, v. 228, n. 10, p. 2065, doi. 10.1140/epjst/e2019-900005-8

By:

Rajagopal, Karthikeyan;
Tuna, Murat;
Karthikeyan, Anitha;
Koyuncu, İsmail;
Duraisamy, Prakash;
Akgul, Akif

Publication type:

Article

DWT-SVD Based Watermarking for High-Resolution Medical Holographic Images.

Published in:

Complexity, 2022, p. 1, doi. 10.1155/2022/3154650

By:

Horasan, Fahrettin;
Ali Pala, Muhammed;
Durdu, Ali;
Akgül, Akif;
Akmeşe, Ömer Faruk;
Yıldız, Mustafa Zahid

Publication type:

Article

A Hidden Chaotic Attractor with an Independent Amplitude-Frequency Controller.

Published in:

Complexity, 2022, p. 1, doi. 10.1155/2022/3086747

By:

Islam, Yousuf;
Li, Chunbiao;
Jiang, Yicheng;
Ma, Xu;
Akgul, Akif

Publication type:

Article

The Time Series Classification of Discrete-Time Chaotic Systems Using Deep Learning Approaches.

Published in:

Mathematics (2227-7390), 2024, v. 12, n. 19, p. 3052, doi. 10.3390/math12193052

By:

Akmeşe, Ömer Faruk;
Emin, Berkay;
Alaca, Yusuf;
Karaca, Yeliz;
Akgül, Akif

Publication type:

Article

Circuit implementation of 3D chaotic self-exciting single-disk homopolar dynamo and its application in digital image confidentiality.

Published in:

Wireless Networks (10220038), 2024, v. 30, n. 7, p. 6199, doi. 10.1007/s11276-020-02361-9

By:

Munir, Noor;
Khan, Majid;
Wei, Zhouchao;
Akgul, Akif;
Amin, Muhammad;
Hussain, Iqtadar

Publication type:

Article

Electronic Circuit Implementations of a Fractional-Order Chaotic System and Observing the Escape from Chaos.

Published in:

Journal of Circuits, Systems & Computers, 2023, v. 32, n. 5, p. 1, doi. 10.1142/S0218126623500858

By:

Akgul, Akif;
Adiyaman, Yusuf;
Gokyildirim, Abdullah;
Aricioglu, Burak;
Pala, Muhammed Ali;
Cimen, Murat Erhan

Publication type:

Article

Chaotic Oscillator Based on Fractional Order Memcapacitor.

Published in:

Journal of Circuits, Systems & Computers, 2019, v. 28, n. 14, p. N.PAG, doi. 10.1142/S0218126619502396

By:

Akgul, Akif

Publication type:

Article

An Exponential Jerk System: Circuit Realization, Fractional Order and Time Delayed Form with Dynamical Analysis and Its Engineering Application.

Published in:

Journal of Circuits, Systems & Computers, 2019, v. 28, n. 5, p. N.PAG, doi. 10.1142/S0218126619500877

By:

Rajagopal, Karthikeyan;
Akgul, Akif;
Jafari, Sajad;
Karthikeyan, Anitha;
Çavuşoğlu, Ünal;
Kacar, Sezgin

Publication type:

Article

Antimonotonicity, Crisis and Multiple Attractors in a Simple Memristive Circuit.

Published in:

Journal of Circuits, Systems & Computers, 2018, v. 27, n. 2, p. -1, doi. 10.1142/S0218126618500263

By:

Volos, Christos K.;
Akgul, Akif;
Pham, Viet-Thanh;
Baptista, Murilo S.

Publication type:

Article

Amplitude Control Analysis of a Four-Wing Chaotic Attractor, its Electronic Circuit Designs and Microcontroller-Based Random Number Generator.

Published in:

Journal of Circuits, Systems & Computers, 2017, v. 26, n. 12, p. -1, doi. 10.1142/S0218126617501900

By:

Akgul, Akif;
Li, Chunbiao;
Pehlivan, Ihsan

Publication type:

Article

A Switchable Chaotic Oscillator with Two Amplitude-Frequency Controllers.

Published in:

Journal of Circuits, Systems & Computers, 2017, v. 26, n. 10, p. -1, doi. 10.1142/S0218126617501584

By:

Hu, Wen;
Akgul, Akif;
Li, Chunbiao;
Zheng, Taicheng;
Li, Peng

Publication type:

Article

Control and synchronisation of a novel seven-dimensional hyperchaotic system with active control.

Published in:

Pramana: Journal of Physics, 2018, v. 90, n. 4, p. N.PAG, doi. 10.1007/s12043-018-1546-9

By:

Varan, Metin;
Akgul, Akif

Publication type:

Article

A chaotic jerk system with non-hyperbolic equilibrium: Dynamics, effect of time delay and circuit realisation.

Published in:

Pramana: Journal of Physics, 2018, v. 90, n. 4, p. N.PAG, doi. 10.1007/s12043-018-1545-x

By:

Rajagopal, Karthikeyan;
Pham, Viet-Thanh;
Tahir, Fadhil Rahma;
Akgul, Akif;
Abdolmohammadi, Hamid Reza;
Jafari, Sajad

Publication type:

Article

Synchronisation, electronic circuit implementation, and fractional-order analysis of 5D ordinary differential equations with hidden hyperchaotic attractors.

Published in:

Pramana: Journal of Physics, 2018, v. 90, n. 4, p. N.PAG, doi. 10.1007/s12043-018-1540-2

By:

Wei, Zhouchao;
Rajagopal, Karthikeyan;
Zhang, Wei;
Kingni, Sifeu Takougang;
Akgül, Akif

Publication type:

Article

A Novel Security Methodology for Smart Grids: A Case Study of Microcomputer-Based Encryption for PMU Devices.

Published in:

Complexity, 2021, p. 1, doi. 10.1155/2021/2798534

By:

Varan, Metin;
Akgul, Akif;
Kurugollu, Fatih;
Sansli, Ahmet;
Smith, Kim

Publication type:

Article

忆阻超混沌映射的可调控性设计及光纤保密通信系统构建.

Published in:

Journal on Communication / Tongxin Xuebao, 2024, v. 45, n. 4, p. 171, doi. 10.11959/j.issn.1000-436x.2024086

By:

李春彪;
李泳新;
仲庆;
杨勇;
Akif, AKGUL

Publication type:

Article

Secure Encryption of Biomedical Images Based on Arneodo Chaotic System with the Lowest Fractional-Order Value.

Published in:

Electronics (2079-9292), 2024, v. 13, n. 11, p. 2122, doi. 10.3390/electronics13112122

By:

Emin, Berkay;
Akgul, Akif;
Horasan, Fahrettin;
Gokyildirim, Abdullah;
Calgan, Haris;
Volos, Christos

Publication type:

Article

Fractional-Order Analysis of Modified Chua's Circuit System with the Smooth Degree of 3 and Its Microcontroller-Based Implementation with Analog Circuit Design.

Published in:

Symmetry (20738994), 2021, v. 13, n. 2, p. 340, doi. 10.3390/sym13020340

By:

Wang, Junxia;
Xiao, Li;
Rajagopal, Karthikeyan;
Akgul, Akif;
Cicek, Serdar;
Aricioglu, Burak;
Sheremet, Mikhail

Publication type:

Article

Dynamical Analysis of a Quadratic Megastable Chaotic Oscillator and Its Application in Biometric Fingerprint Image Encryption.

Published in:

Complexity, 2024, v. 2024, p. 1, doi. 10.1155/2024/2005801

By:

Subramanian, Rajeskannan;
Çiçek, Serdar;
Akgul, Akif;
Adam, Girma;
Karthikeyan, Anitha;
Rajagopal, Karthikeyan

Publication type:

Article

An exponential jerk system, its fractional-order form with dynamical analysis and engineering application.

Published in:

Soft Computing - A Fusion of Foundations, Methodologies & Applications, 2020, v. 24, n. 10, p. 7469, doi. 10.1007/s00500-019-04373-w

By:

Rajagopal, Karthikeyan;
Akgul, Akif;
Jafari, Sajad;
Karthikeyan, Anitha;
Cavusoglu, Unal;
Kacar, Sezgin

Publication type:

Article

Comparison of the Efficacy of Three Progestins in the Treatment of Simple Endometrial Hyperplasia without Atypia.

Published in:

Gynecologic & Obstetric Investigation, 2011, v. 72, n. 1, p. 10, doi. 10.1159/000321390

By:

Ozdegirmenci, Ozlem;
Kayikcioglu, Fulya;
Bozkurt, Ulku;
Akgul, Mehmet Akif;
Haberal, Ali

Publication type:

Article

Effects of the morbid obesity and skin incision choices on surgical outcomes in patients undergoing total abdominal hysterectomy.

Published in:

Turkish Journal of Obstetrics & Gynecology, 2016, v. 13, n. 4, p. 189, doi. 10.4274/tjod.67864

By:

Ersoy, Ebru;
Evliyaoğlu, Özlem;
Erol, Okyar;
Ersoy, Ali Özgür;
Akgül, Mehmet Akif;
Haberal, Ali

Publication type:

Article

Obtaining real-time Bode (analysis) of electronic circuits with LabVIEW.

Published in:

Sakarya University Journal of Science (SAUJS) / Sakarya Üniversitesi Fen Bilimleri Enstitüsü Dergisi, 2017, v. 21, n. 4, p. 706, doi. 10.16984/saufenbilder.310655

By:

Akgül, Akif

Publication type:

Article

S-Box Based Image Encryption Application Using a Chaotic System without Equilibrium.

Published in:

Applied Sciences (2076-3417), 2019, v. 9, n. 4, p. 781, doi. 10.3390/app9040781

By:

Wang, Xiong;
Çavuşoğlu, Ünal;
Kacar, Sezgin;
Akgul, Akif;
Pham, Viet-Thanh;
Jafari, Sajad;
Alsaadi, Fawaz E.;
Nguyen, Xuan Quynh

Publication type:

Article

A Chaotic System with Infinite Equilibria and Its S-Box Constructing Application.

Published in:

Applied Sciences (2076-3417), 2018, v. 8, n. 11, p. 2132, doi. 10.3390/app8112132

By:

Wang, Xiong;
Akgul, Akif;
Cavusoglu, Unal;
Pham, Viet-Thanh;
Vo Hoang, Duy;
Nguyen, Xuan Quynh

Publication type:

Article

Infinite coexisting attractors in an autonomous hyperchaotic megastable oscillator and linear quadratic regulator-based control and synchronization.

Published in:

European Physical Journal B: Condensed Matter, 2023, v. 96, n. 1, p. 1, doi. 10.1140/epjb/s10051-022-00471-1

By:

Alexander, Prasina;
Emiroğlu, Selçuk;
Kanagaraj, Sathiyadevi;
Akgul, Akif;
Rajagopal, Karthikeyan

Publication type:

Article

CHAOS THEORY, ADVANCED METAHEURISTIC ALGORITHMS AND THEIR NEWFANGLED DEEP LEARNING ARCHITECTURE OPTIMIZATION APPLICATIONS: A REVIEW.

Published in:

Fractals, 2024, v. 32, n. 3, p. 1, doi. 10.1142/S0218348X24300010

By:

AKGUL, AKIF;
KARACA, YELl̇Z;
PALA, MUHAMMED ALI;
ÇIMEN, MURAT ERHAN;
BOZ, ALI FUAT;
YILDIZ, MUSTAFA ZAHID

Publication type:

Article

Doğrusal olmayan yeni bir sistem ile damar görüntülerinin mikrobilgisayar tabanlı olarak şifrelenmesi.

Published in:

Journal of the Faculty of Engineering & Architecture of Gazi University / Gazi Üniversitesi Mühendislik Mimarlık Fakültesi Dergisi,, 2020, v. 35, n. 3, p. 1370, doi. 10.17341/gazimmfd.558379

By:

Akgül, Akif;
Yıldız, Mustafa Zahid;
Boyraz, Ömer Faruk;
Güleryüz, Emre;
Kaçar, Sezgin;
Gürevin, Bilal

Publication type:

Article

Yeni bir kaos tabanlı rastgele sayı üreteci kullanan banka şifrematik cihazı tasarımı ve ygulaması.

Published in:

Journal of the Faculty of Engineering & Architecture of Gazi University / Gazi Üniversitesi Mühendislik Mimarlık Fakültesi Dergisi,, 2018, v. 33, n. 3, p. 1171, doi. 10.17341/gazimmfd.416418

By:

Akkaya, Serkan;
Pehlivan, İhsan;
Akgül, Akif;
Varan, Metin

Publication type:

Article

Yeni bir kaos tabanlı rasgele sayı üreteci kullanan banka şifrematik cihazı tasarımı ve uygulaması.

Published in:

Journal of the Faculty of Engineering & Architecture of Gazi University / Gazi Üniversitesi Mühendislik Mimarlık Fakültesi Dergisi,, 2018, n. 2018, p. 1, doi. 10.17341/gazimmfd.416418

By:

Akkaya, Serkan;
Pehlivan, İhsan;
Akgül, Akif;
Varan, Metin

Publication type:

Article

A New Chaotic System with a Self-Excited Attractor: Entropy Measurement, Signal Encryption, and Parameter Estimation.

Published in:

Entropy, 2018, v. 20, n. 2, p. 86, doi. 10.3390/e20020086

By:

Xu, Guanghui;
Shekofteh, Yasser;
Akgül, Akif;
Li, Chunbiao;
Panahi, Shirin

Publication type:

Article

A New Chaotic System with Multiple Attractors: Dynamic Analysis, Circuit Realization and S-Box Design.

Published in:

Entropy, 2018, v. 20, n. 1, p. 12, doi. 10.3390/e20010012

By:

Lai, Qiang;
Akgul, Akif;
Li, Chunbiao;
Xu, Guanghui;
Çavuşoğlu, Ünal

Publication type:

Article

Active Realization of Fractional-Order Integrators and Their Application in Multiscroll Chaotic Systems.

Published in:

Complexity, 2021, p. 1, doi. 10.1155/2021/6623855

By:

Munoz-Pacheco, Jesus M.;
Lujano-Hernández, Luis Carlos;
Muñiz-Montero, Carlos;
Akgül, Akif;
Sánchez-Gaspariano, Luis A.;
Li, Chun-Biao;
Çaǧri Kutlu, Mustafa

Publication type:

Article

Chaos‐based encryption of multimedia data and design of security analysis interface as an educational tool.

Published in:

Computer Applications in Engineering Education, 2018, v. 26, n. 5, p. 1336, doi. 10.1002/cae.22038

By:

Akgul, Akif;
Kacar, Sezgin;
Pehlivan, Ihsan;
Aricioglu, Burak

Publication type:

Article

A novel chaos-based encryption algorithm over TCP data packet for secure communication.

Published in:

Security & Communication Networks, 2016, v. 9, n. 11, p. 1285, doi. 10.1002/sec.1414

By:

Çavuşoğlu, Ünal;
Akgül, Akif;
Kaçar, Sezgin;
Pehli̇van, İhsan;
Zengi̇n, Ahmet

Publication type:

Article

A Cubic Memristive System with Two Twin Rössler-Type Chaotic Attractors Symmetrical About an Invariant Plane.

Published in:

International Journal of Bifurcation & Chaos in Applied Sciences & Engineering, 2022, v. 32, n. 13, p. 1, doi. 10.1142/S0218127422300324

By:

Messias, Marcelo;
Meneguette Jr, Messias;
de Carvalho Reinol, Alisson;
Gokyildirim, Abdullah;
Akgül, Akif

Publication type:

Article

Multistability and Coexisting Attractors in a New Circulant Chaotic System.

Published in:

International Journal of Bifurcation & Chaos in Applied Sciences & Engineering, 2019, v. 29, n. 13, p. N.PAG, doi. 10.1142/S0218127419501748

By:

Rajagopal, Karthikeyan;
Akgul, Akif;
Pham, Viet-Thanh;
Alsaadi, Fawaz E.;
Nazarimehr, Fahimeh;
Alsaadi, Fuad E.;
Jafari, Sajad

Publication type:

Article

An unforced megastable chaotic oscillator and its application on protecting electrophysiological signals.

Published in:

Zeitschrift für Naturforschung Section A: A Journal of Physical Sciences, 2020, v. 75, n. 12, p. 1025, doi. 10.1515/zna-2020-0222

By:

Akgul, Akif;
Boyraz, Omer Faruk;
Rajagopal, Karthikeyan;
Guleryuz, Emre;
Yildiz, Mustafa Zahid;
Kutlu, Mustafa

Publication type:

Article

A Novel 4D Chaotic System Based on Two Degrees of Freedom Nonlinear Mechanical System.

Published in:

Zeitschrift für Naturforschung Section A: A Journal of Physical Sciences, 2018, v. 73, n. 7, p. 595, doi. 10.1515/zna-2018-0030

By:

Sezgin Kacar;
Zhouchao Wei;
Akif Akgul;
Burak Aricioglu

Publication type:

Article

Synchronisation and Circuit Realisation of Chaotic Hartley System.

Published in:

Zeitschrift für Naturforschung Section A: A Journal of Physical Sciences, 2018, v. 73, n. 6, p. 521, doi. 10.1515/zna-2018-0027

By:

Varan, Metin;
Akgül, Akif;
Güleryüz, Emre;
Serbest, Kasım

Publication type:

Article