Engineering ethics: decision making tools to resolve problems and conflicts, linear and convex programming, projection and subgradient algorithms, localization methods for feasibility and optimization, discrete image reconstruction and restoration techniques.
Publications in Journals
Kırkavak, N., ÖZAKTAŞ, H., & Ertem, M.A. (2019). Müdek Report Card: An Alternative Model for Assessment of Program Outcomes (in Turkish), Journal of Industrial Engineering, 30(1), 32-48.
Çetin, E., ÖZAKTAŞ, H., & Özaktaş, H. M. (2003). Resolution enhancement of low resolution wavefields with POCS algorithm. Electronics Letters, 39, 1808-1810.
ÖZAKTAŞ, H., Pınar, M. Ç., Akgül, M., Kurç, T., & Aykanat, C. (2001). An algorithm with long steps for the simultaneous block projections approach for the linear feasibility problem. Journal of Discrete Mathematical Sciences & Cryptography, 4(1), 87-108.
Kutay, M. A., ÖZAKTAŞ, H., Özaktaş, H. M., & Arıkan, O. (1999). The fractional Fourier domain decomposition. Signal Processing, 77, 105-109.
ÖZAKTAŞ, H., Pınar, M. Ç., & Mustafa Akgül, M. (1998). Restoration of space variant global blurs caused by severe camera movements and coordinate distortions. Journal of Optics, 29, 303-310.
Books/Book Chapters/Editorial Works
Mesgarpour, M., Kırkavak, N., & ÖZAKTAŞ, H. (2010). Bi-criteria scheduling problem on the two-machine flow-shop using simulated annealing. In Cowling, P. I., & P. Merz, P (Eds.), Lecture Notes in Computer Science (Vol. 6022), (pp. 166-177). New York: Springer-Verlag.
ÖZAKTAŞ, H., Akgül, M., & Pınar, M. Ç. (1996). The parallel surrogate constraint approach to the linear feasibility problem. In Wasniewski, J., Dongarra, J., Madsen, K., & Olesen, D. Lecture Notes in Computer Science (Vol. 1184), (pp. 565-574). New York: Springer-Verlag.
ÖZAKTAŞ, H., Pınar, M. Ç., & Akgül, M. (2000). Geometrik kayma ve bulanma etkisi altında bozulmuş görüntülerin cebirsel metodlarla düzeltimi. Proceedings of Yöneylem Araştırması ve Endüstri Mühendisliği XXI. Ulusal Kongresi, Eastern Mediterranean University, Magosa.
ÖZAKTAŞ, H., Pınar, M. Ç., & Akgül, M. (1997). An improved simultaneous block projections algorithm for the linear feasibility problem. Proceedings of the Twelfth International Symposium on Computer and Information Sciences, Boğaziçi University, İstanbul (pp. 551-558).
ÖZAKTAŞ, H. (2009). Multi-objective decision making as a tool to resolve problems and conflicts in engineering ethics [Abstract]. CORS/INFORMS International Meeting,Toronto, Canada, 14-17 June 2009.
ÖZAKTAŞ, H., Pınar, M. Ç., & Akgül, M. (1998) Image recovery in the presence of severely space variant geometric distortions and point spread functions. Department of Industrial Engineering, Bilkent University, Ankara, Turkey. (IEOR-9819).
ÖZAKTAŞ, H. (1996). The rectangular cutting plane approach to the feasibility problem. Department of Industrial Engineering, Bilkent University, Ankara, Turkey. (IEOR-9610).
ÖZAKTAŞ, H. (1995). An introductory analysis of the cutting plane approach for the convex feasibility problem. Department of Industrial Engineering, Bilkent University, Ankara, Turkey. (IEOR-9502).
ÖZAKTAŞ, H. (1993), An algorithm for stochastic integer programming. Department of Industrial Engineering, Bilkent University, Ankara, Turkey. (IEOR-9310).
Funded/Sponsored Research and Industrial Projects
Consulting Advisor: SUFEN PROJE YAZILIM MÜH. İNŞ. SAN. VE TİC. LTD. ŞTİ. for the "SMED R&D Support Program" of TÜBİTAK (Project Number: 7110278).