Indoor intelligent fingerprint-based localization: Principles, approaches and challenges

X Zhu, W Qu, T Qiu, L Zhao… - … Surveys & Tutorials, 2020 - ieeexplore.ieee.org
With the rapid development of Internet of Things (IoT) technology, location-based services
have been widely applied in the construction of smart cities. Satellite-based location …

An overview of encryption algorithms in color images

HM Ghadirli, A Nodehi, R Enayatifar - Signal Processing, 2019 - Elsevier
Nowadays, security in data transfer is of special importance. Images are of the most
attractive kinds of data in the encryption domain. Color images are more attractive than the …

EFR-CSTP: Encryption for face recognition based on the chaos and semi-tensor product theory

S Gao, R Wu, X Wang, J Liu, Q Li, X Tang - Information Sciences, 2023 - Elsevier
Face recognition is a relatively common method humans use to confirm their identity.
Protecting the safe transmission of face images has become a hot issue. This paper …

Color image encryption using orthogonal Latin squares and a new 2D chaotic system

Z Hua, Z Zhu, Y Chen, Y Li - Nonlinear Dynamics, 2021 - Springer
Recently, many image encryption schemes have been developed using Latin squares.
When encrypting a color image, these algorithms treat the color image as three greyscale …

[HTML][HTML] Cross-plane colour image encryption using a two-dimensional logistic tent modular map

Z Hua, Z Zhu, S Yi, Z Zhang, H Huang - Information Sciences, 2021 - Elsevier
Chaotic systems are suitable for image encryption owing to their numerous intrinsic
characteristics. However, chaotic maps and algorithmic structures employed in many …

Discrete memristor hyperchaotic maps

H Bao, Z Hua, H Li, M Chen… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Regarding as a basic circuit component with special nonlinearity, memristor has been
widely applied in chaotic circuits and neuromorphic circuits. However, discrete memristor …

A new hybrid digital chaotic system with applications in image encryption

M Alawida, A Samsudin, JS Teh, RS Alkhawaldeh - Signal Processing, 2019 - Elsevier
Image encryption provides confidentiality to images by transforming them into
unrecognizable forms that resemble white noise. Digital chaos is one of the areas used to …

2D Logistic-Sine-coupling map for image encryption

Z Hua, F **, B Xu, H Huang - Signal Processing, 2018 - Elsevier
Image encryption is a straightforward strategy to protect digital images by transforming
images into unrecognized ones. The chaos theory is a widely used technology for image …

An image encryption scheme based on a new hybrid chaotic map and optimized substitution box

MAB Farah, A Farah, T Farah - Nonlinear Dynamics, 2020 - Springer
This paper proposes a new hybrid chaotic map and a different way of using optimization
technique to improve the performance of encryption algorithms. Compared to other chaotic …

A cross-channel color image encryption algorithm using two-dimensional hyperchaotic map

Q Lai, Y Liu - Expert Systems with Applications, 2023 - Elsevier
This paper innovatively proposes a high-sensitive cross-channel color image encryption
algorithm (SFHM-IEA) by using two-dimensional hyperchaotic map (2D-SFHM) derived from …