Achraf Daoui
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View article: Predicting Antiviral Inhibitory Activity of Dihydrophenanthrene Derivatives Using Image-Derived 3D Discrete Tchebichef Moments: A Machine Learning-Based QSAR Approach
Predicting Antiviral Inhibitory Activity of Dihydrophenanthrene Derivatives Using Image-Derived 3D Discrete Tchebichef Moments: A Machine Learning-Based QSAR Approach Open
Making advancements in Quantitative Structure-Activity Relationship (QSAR) modeling is crucial for predicting biological activities in new compounds. Traditional 2D-QSAR and 3D-QSAR methods often face challenges in terms of computational e…
View article: Lightweight image encryption using integer reversible discrete Dual-Hahn transform on embedded systems
Lightweight image encryption using integer reversible discrete Dual-Hahn transform on embedded systems Open
The security and performance of a cryptographic algorithm can be reduced when implemented on an embedded system, such as a 32-bit microcontroller, due to the limitation of hardware resources, such as computational precision, processing pow…
View article: FPGA-implementation of Lossless Integer Tchebichef Transform with Application for Tampering Detection in ROI Medical Images
FPGA-implementation of Lossless Integer Tchebichef Transform with Application for Tampering Detection in ROI Medical Images Open
This research introduces efficient algorithms for the forward and inverse lossless Integer-to-Integer Tchebichef Transform (I2ITT), tailored for resource-constrained embedded systems. These algorithms are then implemented on FPGA using fix…
View article: A New Chaotic Memristor-Based Cryptosystem for Secure Bio-Signal Transmission on Low-Cost Hardware
A New Chaotic Memristor-Based Cryptosystem for Secure Bio-Signal Transmission on Low-Cost Hardware Open
Motivated by the critical need for securing bio-signal transmissions in resource-constrained Internet of Medical Things (IoMT) devices, this paper proposes a novel lightweight cryptosystem based on a newly developed chaotic map called the …
View article: Novel Integer Reversible Charlier Transform for Image Reversible Data Hiding Application
Novel Integer Reversible Charlier Transform for Image Reversible Data Hiding Application Open
The discrete Charlier moment transform, while extensively utilized in image processing, is inherently lossy and non-integer reversible, making it unsuitable for lossless image applications. To address this, we propose the Integer Reversibl…
View article: A Hardware-Accelerated Approach to Chaotic Image Encryption: LTB Map and FPGA Implementation
A Hardware-Accelerated Approach to Chaotic Image Encryption: LTB Map and FPGA Implementation Open
The need for high-speed and secure image encryption has become increasingly critical in the digital age, driven by the rapid growth of digital data, the rapid advancement of internet technologies, and the limitations of traditional encrypt…
View article: Novel Integer Hahn Transform for Real-Time Lossless Image Authentication in IoT: A 32-Bit Microcontroller Implementation
Novel Integer Hahn Transform for Real-Time Lossless Image Authentication in IoT: A 32-Bit Microcontroller Implementation Open
Traditional discrete orthogonal transforms often introduce reconstruction errors, hindering their use in digital signal processing applications requiring exact signal recovery. To overcome this limitation, this paper presents the discrete …
View article: AuCFSR: Authentication and Color Face Self-Recovery Using Novel 2D Hyperchaotic System and Deep Learning Models
AuCFSR: Authentication and Color Face Self-Recovery Using Novel 2D Hyperchaotic System and Deep Learning Models Open
Color face images are often transmitted over public channels, where they are vulnerable to tampering attacks. To address this problem, the present paper introduces a novel scheme called Authentication and Color Face Self-Recovery (AuCFSR) …
View article: An efficient watermarking algorithm for digital audio data in security applications
An efficient watermarking algorithm for digital audio data in security applications Open
Transform-domain audio watermarking systems are more robust than time-domain systems. However, the main weakness of these systems is their high computational cost, especially for long-duration audio signals. Therefore, they are not desirab…
View article: Multimedia Security Through 1D Chaotic Systems
Multimedia Security Through 1D Chaotic Systems Open
The use of 1D chaotic maps in multimedia security applications is becoming increasingly attractive due to their advantages, including the high sensitivity to both initial and control parameters, rich dynamical behavior and ease of implemen…
View article: A Novel 3D Reversible Data Hiding Scheme Based on Integer–Reversible Krawtchouk Transform for IoMT
A Novel 3D Reversible Data Hiding Scheme Based on Integer–Reversible Krawtchouk Transform for IoMT Open
To avoid rounding errors associated with the limited representation of significant digits when applying the floating-point Krawtchouk transform in image processing, we present an integer and reversible version of the Krawtchouk transform (…
View article: Novel Integer Shmaliy Transform and New Multiparametric Piecewise Linear Chaotic Map for Joint Lossless Compression and Encryption of Medical Images in IoMTs
Novel Integer Shmaliy Transform and New Multiparametric Piecewise Linear Chaotic Map for Joint Lossless Compression and Encryption of Medical Images in IoMTs Open
The discrete Shmaliy moment transform (DST) is a type of discrete orthogonal moment transform that is widely used in signal and image processing. However, DST is not suitable for lossless image applications due to its non-integer reversibl…
View article: Efficient Image Encryption Scheme Using Novel 1D Multiparametric Dynamical Tent Map and Parallel Computing
Efficient Image Encryption Scheme Using Novel 1D Multiparametric Dynamical Tent Map and Parallel Computing Open
In order to ensure reliable and secure image exchange, chaotic systems are often considered for their good performance in information security. In this work, we first propose an extended version of a chaotic tent map (TM)—the multiparametr…
View article: Visual Servoing of a 3R Robot by Metaheuristic Algorithms
Visual Servoing of a 3R Robot by Metaheuristic Algorithms Open
In planar robot control, the singularity problem is frequently encountered when determining the geometric or kinematic robot model. To overcome this problem, a new method is presented in this paper. Indeed, this method is used to compute t…
View article: Investigating the Effect of a Proposed Educational Robot on Students‘ Motivation and Learning of Thermodynamic Concepts
Investigating the Effect of a Proposed Educational Robot on Students‘ Motivation and Learning of Thermodynamic Concepts Open
Research in Morocco shows a decrease in motivation and learning of physics subjects for Moroccan middle school students, which negatively impacts their school achievement. The present study aims to identify the effect of using educational …
View article: Efficient Biomedical Signal Security Algorithm for Smart Internet of Medical Things (IoMTs) Applications
Efficient Biomedical Signal Security Algorithm for Smart Internet of Medical Things (IoMTs) Applications Open
Due to the rapid development of information and emerging communication technologies, developing and implementing solutions in the Internet of Medical Things (IoMTs) field have become relevant. This work developed a novel data security algo…
View article: Biomedical Multimedia Encryption by Fractional-Order Meixner Polynomials Map and Quaternion Fractional-Order Meixner Moments
Biomedical Multimedia Encryption by Fractional-Order Meixner Polynomials Map and Quaternion Fractional-Order Meixner Moments Open
Chaotic systems are widely used in signal and image encryption schemes. Therefore, the design of new chaotic systems is always useful for improving the performance of encryption schemes in terms of security. In this work, we first demonstr…
View article: 2D and 3D Medical Image Analysis by Discrete Orthogonal Moments
2D and 3D Medical Image Analysis by Discrete Orthogonal Moments Open
The 2D and 3D medical imaging play a very important role in medical diagnosis to detect and isolate various pathologies. The treatment, exploitation and the interpretation of the obtained images are valuable tools to help establish a medic…
View article: Influence of Krawtchouk and Charlier moment’s parameters on image reconstruction and classification
Influence of Krawtchouk and Charlier moment’s parameters on image reconstruction and classification Open
The discrete orthogonal moments such as Krawtchouk and Charlier moments have been used successfully in the field of image analysis. These moments are based on discrete orthogonal polynomials that depend on the locality parameters (p for Kr…