Results 41 to 50 of about 311 (152)

Security-Enhanced Image Encryption: Combination of S-Boxes and Hyperchaotic Integrated Systems

IEEE Access
In the field of image encryption, with the continuous development of attack techniques, the requirements for the attack resistance and robustness of encryption algorithms are increasing, and the method of image encryption using a single chaotic system ...
Renjie Song, Haixia Zhao
doaj   +1 more source

Disturbance Observer Based Adaptive Control Scheme for Synchronization of Fractional Order Chaotic Systems With Input Delay

IET Control Theory &Applications, Volume 19, Issue 1, January/December 2025.
In this paper, an adaptive arbitrary time controller is proposed for the synchronization of fractional order chaotic systems. An adaptive disturbance observer is presented, capable of exponentially estimating unknown disturbances in arbitrary time.
Mehran Derakhshannia, Seyyed Sajjad Moosapour, Saleh Mobayen   +2 more
wiley   +1 more source

Enhancing Quantum Image Encryption With QLSTM and Chaos Synchronisation Control: A Deep Neural Network Approach

IET Image Processing, Volume 19, Issue 1, January/December 2025.
This paper presents a quantum image encryption method using QLSTM to enhance chaotic sequences and achieve synchronisation control. The approach improves encryption security and reliability, maintaining high information entropy and complexity under attacks.
Yuebo Wu, Duansong Wang, Jian Zhou, Huifang Bao   +3 more
wiley   +1 more source

Secure Color Traffic Image Transmission Through Enhanced Visual Encryption

IET Image Processing, Volume 19, Issue 1, January/December 2025.
This paper introduces a novel visual encryption algorithm for color traffic images in intelligent transportation systems, combining discrete wavelet transform for sparse representation with dynamic three‐dimensional spiral disruption and chaotic system‐based compression.
Shuo Zhang, Yiqi Huang, Yueping Wang, Wei Jiang, Bin Wang   +4 more
wiley   +1 more source

Robust Medical Image Encryption and Compression Using a DNA‐Chaos Cryptosystem for Enhancing Telemedicine Applications

The Journal of Engineering, Volume 2025, Issue 1, January/December 2025.
Recent advancements in online communication enable the secure transmission of sensitive data, such as medical images with confidential patient information, which is crucial for telemedicine. This paper introduces a novel image‐to‐image encryption‐decryption‐compression (ITIEDC) technique using chaos maps, DNA encoding, OTP, MD5, and arithmetic coding ...
Saja Theab Ahmed, Dalal Abdulmohsin Hammood, Raad Farhood Chisab, Ali Al‐Naji, Javaan Chahl   +4 more
wiley   +1 more source

Periodic orbits in the hyperchaotic Chen system

, 2014
In this work, we show that a zero--Hopf bifurcation take place in the Hyperchaotic Chen system as parameters vary. Using averaging theory, we prove the existence of two periodic orbits bifurcating from the zero--Hopf equilibria located at the origin of the Hyperchaotic Chen system.
openaire   +2 more sources

Research on airport baggage anomaly retention detection technology based on machine vision, edge computing, and blockchain

IET Blockchain, Volume 4, Issue 4, Page 393-406, December 2024.
Abstract Airport checked luggage entails specific requirements for speed, stability, and reliability. The issue of abnormal retention of checked luggage presents a significant challenge to aviation safety and transportation efficiency. Traditional luggage monitoring systems exhibit limitations in terms of accuracy and timeliness.
Yuzhou Chen, Gang Mao, Xue Yang, Mingqian Du, Hongqing Song   +4 more
wiley   +1 more source

Parameter modulation for secure communication via the synchronization of Chen hyperchaotic systems [PDF]

Systems Science & Control Engineering, 2013
The Chen hyperchaotic systems are synchronized via linear feedback control and the parameter is identified by using the adaptive control techniques even though the parameter is unknown. It is proved by the Lyapunov stability theory that the response system is able to track the driving system well and the parameter is estimated exactly.
Jianbin He, Jianping Cai
openaire   +1 more source

Compressive sensing and DNA coding operation: Revolutionary approach to colour medical image compression‐encryption algorithm

IET Image Processing, Volume 18, Issue 14, Page 4589-4606, 11 December 2024.
Randomness and sparse optimizations are applied to three floating‐point matrices obtained from discrete wavelet and sparse transforms of plain colour medical images. These matrices are then quantized into 8‐bit integer matrices and undergo deoxyribonucleic acid encoding, scrambling, XOR, and decoding to achieve base‐position scrambling and value ...
Xianglian Xue, Haiyan Jin, Changjun Zhou
wiley   +1 more source

New method of colour image encryption using triple chaotic maps

IET Image Processing, Volume 18, Issue 12, Page 3262-3276, 16 October 2024.
Initially, the plain image is decomposed into the RGB format. An individual chaotic map is used in the permutation and diffusion of each map to break the correlations in the plain image. Lorenz, 2D‐Logistic, and Henon maps are used in different orders and with different orders of channels, producing a cipher image with the properties of randomness and ...
Khalid M. Hosny, Yasmin M. Elnabawy, Ahmed M. Elshewey, Sarah M. Alhammad, Doaa Sami Khafaga, Rania Salama   +5 more
wiley   +1 more source