Dr. Oulefki is an accomplished interdisciplinary researcher with expertise in computer science and engineering. He holds a Ph.D. and an HDR degree and has worked as a senior researcher and head of the external department at the CDTA. His research focuses on topics related to medicine, security, the environment, and agronomy through signal and image analysis, data clustering, and pattern recognition. Dr. Oulefki was awarded a Fulbright scholarship in 2019 and worked as a visiting scholar at the Department of Computer Science at the College of Staten Island, CUNY. In October 2023, Dr. Oulefki joined the University of Sharjah (UoS) as a postdoctoral researcher, continuing to contribute valuable insights and advancements in his field.
Education
Accreditation to supervise research (HDR), IGEE
Institute of Electrical Engineering and Electronics IGEE
University of Bomerdèse, April 2018
Ph.D, Electrical Engineering and Computer Science
University of Bordj Bou Arreridj, Feb 2010 to Feb 2014
• Thesis Topic: 'Classification temps réel d’objets vidéo'
• Advisors: Pr. Messaoud MOSTEFAI and Pr. Hassina CHOUTRI
Master’s Degree, Electrical Engineering and Industrial Computing
University of Bordj Bou Arreridj, Sep 2007 to Jul 2009
• Topic: 'Implémentation d’un codec audio sur le DsPic 30f6014'
• Advisor: Merouan BENAROUDJ, Ph.D
Bachelor’s Degree, Electronics
University of Bordj Bou Arreridj, Sep 2004 to July 2007
• Topic: 'Etude du langage VHDL et les circuits programmables'
• Advisor: Messai ZITOUNI, Ph.D
Research Experience
Senior Research Associate from Mars 2016 to Present
Division of Information, Telecom and Multimedia, Team: BIOSMC
Center for Development of Advanced Technologies (CDTA)
Project: Face recognition
Research Fellow from June 2014 to May 2015
MSE Laboratory, Division of Information Theory,
University of Bordj Bou Arreridj.
Refereed Journal Publications
Benbelkacem, S., Zenati-Henda, N., Zerrouki, N., Oulefki, A., Agaian, S., Masmoudi, M., ... & Liew, A. (2023). Tumor Lung Visualization and Localization through Virtual Reality and Thermal Feedback Interface. Diagnostics, 13(3), 567.
Benbelkacem, S., Oulefki, A., Agaian, S., Zenati-Henda, N., Trongtirakul, T., Aouam, D., ... & Zemmouri, M. (2022). COVI3D: Automatic COVID-19 CT Image-Based Classification and Visualization Platform Utilizing Virtual and Augmented Reality Technologies. Diagnostics, 12(3), 649.
Oulefki, A., Agaian, S., Trongtirakul, T., Benbelkacem, S., Aouam, D., Zenati-Henda, N., & Abdelli, M. L. (2022). Virtual Reality visualization for computerized COVID-19 lesion segmentation and interpretation. Biomedical Signal Processing and Control, 73, 103371.
Guerroudji, M. A., Amara, K., Benbelkacem, S., Oulefki, A., Zenati, N., Aouam, D., ... & Masmoudi, M. (2021, November). Automatic Brain Tumor Segmentation, and 3D Reconstruction and Visualization Using Augmented Reality. In 2021 International Conference on Artificial Intelligence for Cyber Security Systems and Privacy (AI-CSP) (pp. 1-5). IEEE.
Oulefki, A., Agaian, S., Trongtirakul, T., & Laouar, A. K. (2021). Automatic COVID-19 lung infected region segmentation and measurement using CT-scans images. Pattern recognition, 114, 107747.
Benbelkacem, S., Oulefki, A., Agaian, S., Trongtirakul, T., Aouam, D., Zenati-Henda, N., & Amara, K. (2021, April). Lung infection region quantification, recognition, and virtual reality rendering of CT scan of COVID-19. In Multimodal Image Exploitation and Learning 2021 (Vol. 11734, pp. 123-132). SPIE.
Oulefki, A., Trongtirakul, T., Agaian, S., & Chiracharit, W. (2020, April). Detection and visualization of oil spill using thermal images. In Mobile Multimedia/Image Processing, Security, and Applications 2020 (Vol. 11399, pp. 131-142). SPIE.
Trongtirakul, T., Oulefki, A., Agaian, S., & Chiracharit, W. (2020, April). Enhancement and segmentation of breast thermograms. In Mobile Multimedia/Image Processing, Security, and Applications 2020 (Vol. 11399, pp. 96-107). SPIE.
Oulefki, A., Aouache, M., & Bengherabi, M. (2019). Low-light face image enhancement based on dynamic face part selection. In Pattern Recognition and Image Analysis: 9th Iberian Conference, IbPRIA 2019, Madrid, Spain, July 1–4, 2019, Proceedings, Part II 9 (pp. 86-97). Springer International Publishing.
Iratni, Abdelhamid, Mustapha Aouache, and Oulefki, A. "Adaptive gamma correction-based expert system for nonuniform illumination face enhancement." Journal of Electronic Imaging 27.2 (2018): 023028.
Oulefki,A. , Aouache M, E Boutellaa, Messaoud Bengherabi and Ahmed Amine Tifarine. ”Fuzzy Reasoning Model to Improve Face Illumination Invariance.” Signal, Image and Video Processing SIViP - Springer, (), 1-9. DOI 10.1007/s11760-017-1174-8. 2017.
Aouache, M., Oulefki, A., Bengherabi, M., Boutellaa, E., Almahdi Algaet, M.:” Towards nonuniform il lumination face enhancement via adaptive contrast stretching.” Multimedia Tools and Applications pp. 1–39 (2017). DOI 10.1007/s11042017-4665-2. URL http://dx.doi.org/10.1007/s11042-017-4665-2
Adel Oulefki, Messaoud Mostefai, Belkacem Abbadi,. ”New online signature acquisition system.” SPIE, J. Electron. Imaging, 22(1), 010501 (2013).
Belkacem Abbadi, Messaoud Mostefai, Oulefki, A. ” A Non-Constraining Online Signature Reconstruction System for Persons with Handwriting Problems.” ETRI Journal, 201(2):285–292, (2015).
Belkacem Abbadi, Oulefki, A., Messaoud Mostefai,. ” Development and implementation of a new dynamic face detection operator.” IJCA International Journal of Computer Applications, 201(2):285–292, (2012).
Kaouther Saidani, Belkacem Abbadi, Oulefki, A,. Messaoud Mostefai,. ” Efficient online signature authentication approach.” ICAT’14, International Conference on Advanced Technology and Sciences, Antalya, Turkey, 23(1),101041 (2014).
Belkacem Abbadi, Adel Oulefki, Messaoud Mostefai, Idris Messaoudene,. ” Efficient Low Coast Online Signature Acquisition System” ISCAS 15, International Scientific Conference on Applied Sciences and Technology, Langkawi, Malaysia, (2015).
Prof. Sos Agaian
Distinguished Professor at CUNY University, USA
Dr. Adel Oulefki
Research Director at CDTA, Algeria
THAWEESAK TRONGTIRAKUL
Assistant Professor, Thailand