International Book Chapters
- Sara Izadpanahi, Cagri Ozcinar, Gholamreza Anbarjafari, and Hasan Demirel, "DWT Based Resolution Enhancement of Video Sequences", Discrete Wavelet Transforms - A Compendium of New Approaches and Recent Applications, edited by Awad Kh. Al - Asmari, ISBN 978-953-51-0940-2, InTech, February 2, 2013.
- Hasan Demirel and Gholamreza Anbarjafari, "Probability distribution functions based face recognition system using discrete wavelet subbands", Discrete Wavelet Transforms –Theory and Applications, edited by Juuso T. Olkkonen, ISBN 978-953-307-185-5, InTech, April 2011.
- Hamit Soyel and Hasan Demirel, "Facial Expression Recognition using 3D Facial Feature Distances", Affective Computing, Focus on Emotion Expression, Synthesis and Recognition, by Jimmy Or, I-Tech Education and Publishing, Chap. 1, pp. 1-12, May 2008, ISBN 978-3-902613-23-3.
- Alaa Eleyan and Hasan Demirel, "PCA and LDA based Neural Networks for Human Face Recognition", Face Recognition, by Kresimir Delac and Mislav Grgic, I-Tech Education and Publishing, Chap. 6, pp. 93-106, July 2007, ISBN 978-3-902613-03-5.