O. Malek, M. Ahmed, D. Androutsos, and M. Matin, “Fusion of Biometrics and Blockchain – An Integrated Platform for Aviation Security and Authentication”, Accepted Proceedings SPIE Conference on Defense and Commercial Sensing, Orlando, Florida, April 2022.

O. Malek, M. Matin, R. Alamgir, and L. Alamgir A Variability Modeling Method for Facial Authentication”, International Journal of Computer Science and Information Security, vol. 13, no. 6, June 2015.

O. Malek, A. Venetsanopoulos, D. Androutsos, and L Zhao, “Subspace Sequential Estimator for biometric authentication", Elsevier Neurocomputing, Elsevier Neurocomputing, vol. 148, pp. 294-309, July 2014.

O. Malek, A. Venetsanopoulos, L. Alamgir, S. Krishnan, and J. Alirezaie, “A discrete time convergence model for proliferationable stem cell and its estimation using Kalman filter”, Journal of Bioengineer and Biomedical Sci 3, January 2013.

R. Alamgir, O.Malek, L. Alamgir, and M. Matin, “Cardiovascular Authentication: Fusion of Electrocardiogram and Ejection Fraction”, International Conference on Biomedical Engineering and Science, Las Vegas, July 2015.

R. Alamgir, O.Malek, M. Matin, and L. Alamgir, ”Encryption and Data Management Architecture to Protect Biometric Security”, International Conference on Image Processing, Computer Vision, & Pattern Recognition, Las Vegas, July 2015.

O. Malek, A. Venetsanopoulos, and D. Androutsos, “Facial biometrics based on 2D vector geometry”, Proceedings SPIE Defense and Security Conference, Baltimore, Maryland USA, vol. 9075, May 2014.

O. Malek, A. Venetsanopoulos, D. Androutsos, and L Zhao, "Subspace State Estimator for facial biometric verification”, IEEE Proceedings of CSCI, Las Vegas, Nevada, US, vol.1, March 2014.

O. Malek, A. Venetsanopoulos, and J. Alirezaie, “MultiBiometrics encryption and its management architecture”, Accepted, Proceedings SPIE 2013 Conference on Security and Defense, Remote Sensing Symposium in Dresden, Germany, September 2013.

O. Malek, A. Venetsanopoulos, L. Alamgir, S. Krishnan, and J. Alirezaie , “A computation model for proliferationable muscle stem cells”, International Conference and Exhibition on Vaccines and Vaccination, Philadelphia, USA, November 2011.

O. Malek, A. Venetsanopoulos, and A. Anpalagan, “A comparison studies between wiener and adaptive state estimation algorithms for space-time adaptive radar processing”, Proceedings SPIE 7799, Mathematics of Data/Image Coding, Compression, and Encryption with Applications XII, 779907, September 2010.

O. Malek, B. Balaji, M. McDonald, and T. Kirubarajan, “STAP with adaptive state estimation in non- stationary heterogeneous systems”, Proceedings SPIE Conference on Advanced Signal Processing Algorithms, Architectures and Implementations, San Diego, CA, August 2009