Ali Yahya Ahmed Al-ashwal

Faculty of Engineering –University of Science and Technology (UST) Sana’a –Republic of Yemen

E-mail: a.alashwal@ust.edu.ye

Education

M.Sc. in Computer Engineering from Department of Electronics Engineering, Faculty of Engineering, University of Sciences and Technology, Yemen, March 2015. (Thesis subject: An Image Steganography Algorithm for Hiding Confidential Data using Genetic Algorithm)

Experience

Administrator of Computer and Intelligent Systems Engineering Bachelor Program in the Department of the Electronic Engineering (2023 – till now).
Administrator of Computer and Control Systems Engineering Bachelor Program in the Department of the Electronic Engineering (Sep. 2021 – 2023).
Administrator of Communications Engineering Bachelor Program in the Department of the Electronic Engineering (Sep. 2015 – Sep. 2021).
Assistant Lecturer of Electronic Engineering Department (Mar 2015 – till now).
Researcher Assistant of Electronic Engineering Department (Nov. 2007 – Mar. 2015).
Head of the Graduation Projects Committee in the Department of the Electronic Engineering (2022 – till now).
Member of the Examination Committee in the Department of the Electronic Engineering (Nov. 2007 – till now).

Teaching Experience

- - - - Signals and Systems
        
        Mathematics Engineering
        
        C Programming
        
        Data Structure
        
        Programming and simulations using MATLAB
        
        Digital Signal Processing
        
        Digital Image Processing
        
        Electronics
        
        Fundamentals of Logic Design
        
        Electrical circuits
        
        Computer Design and Architecture

Published Studies:

1. Al‐Ashwal, A. Y., Al‐Arashi, W. H., & Alkhawlani, M. M. (2026). A Novel Image Steganographic Method Based on Enhanced PIWT and Modified Optimal Pixel Adjustment Process. IET Image Processing, 20(1), e70302.

2. Al-Ashwal, A. Y., Al-Arashi, W. H., Saad, A. M. H. Y., & Al-Shadadi, M. M. (2024). Comprehensive survey of image steganography systems based on FPGA implementation. University of Science and Technology Journal for Engineering and Technology, 2(1), 35-70.

3. Almawgani, A. H. M., Alhawari, A. R., Hindi, A. T., Al-Arashi, W. H., & Al-Ashwal, A. Y. (2022). Hybrid image steganography method using Lempel Ziv Welch and genetic algorithms for hiding confidential data. Multidimensional systems and signal processing, 33(2), 561-578.

4. Al-Ashwal, A. Y., Al-Mawgani, A. H. M., & Al-Arashi, W. H. (2015). An Image Steganography Algorithm for Hiding Data Based on HDWT, LZW and OPAP. Journal of Science and Technology, 20(1), 9-21.

Academic Experience

Assistant Lecturer in Electronics Engineering Dept., Faculty of Engineering, University of Science and Technology (UST), Sana’a-Yemen, (since 3/2015 till now).
Researcher Assistant in Electronics Engineering Dept., Faculty of Engineering, University of Science and Technology (UST), Sana’a-Yemen, (from 11/2007 to 3/2015).

Links:

https://scholar.google.com/citations?user=hKDLt-oAAAAJ&hl=ar