Shahid Beheshti University
Last Update: 2019/01/13
Yasser Shekofteh
Assistant professor

Faculty: Computer Engineering and Science
Department: Artificial Intelligence, Robotics and Cognitive Computing
Phone: +98 (21) 29904106
Personal website:

Academic Degrees

PhD, , Amirkabir University of Technology, Tehran, 2013.

Journal Articles
1. K. Rajagopal, S. Jafari, A. Akgul, A. Karthikeyan, S. Ciçek, Y. Shekofteh, "A Simple Snap Oscillator with Coexisting Attractors Its Time-Delayed Form Physical Realization and Communication Designs" , ZEITSCHRIFT FUR NATURFORSCHUNG SECTION A-A JOURNAL OF PHYSICAL SCIENCES, Vol.5, pp.385-398, 2018.
2. S. Gholamdokht firooz, S. Reza, Y. Shekofteh, "Spoken language recognition using a new conditional cascade method to combine acoustic and phonetic results" , International Journal of Speech Technology, Vol.21, pp.1-9, 2018.
3. Y. Shekofteh, S. Jafari, K. Rajagopal, V. Pham, "Parameter Identification of Chaotic Systems Using a Modified Cost Function Including Static and Dynamic Information of Attractors in the State Space" , CIRCUITS SYSTEMS AND SIGNAL PROCESSING, Vol.37, pp.1-16, 2018.
4. G. Xu, Y. Shekofteh, A. Akgül, C. Li, S. Panahi, "A New Chaotic System with a Self-Excited Attractor Entropy Measurement Signal Encryption and Parameter Estimation" , Entropy, Vol.20, pp.1-23, 2018.
5. Y. Shekofteh, S. Jafari, K. Rajagopal, "Cost function based on hidden Markov models for parameter estimation of chaotic systems" , SOFT COMPUTING, Vol.22, pp.1-12, 2018.
6. S. Gholamdokht firooz, F. Almasganj, Y. Shekofteh, "Improvement of automatic speech recognition systems via nonlinear dynamical features evaluated from the recurrence plot of speech signals" , COMPUTERS and ELECTRICAL ENGINEERING, Vol.58, pp.215-226, 2017.
7. Y. Shekofteh, F. Almasganj, A. Daliri, "MLP-based isolated phoneme classification using likelihood features extracted from reconstructed phase space" , ENGINEERING APPLICATIONS OF ARTIFICIAL INTELLIGENCE, Vol.44, pp.1-9, 2015.
8. Y. Shekofteh, S. Jafari, J. Sprott, S. Hashemi golpayegani, F. Almasganj, "A Gaussian mixture model based cost function for parameter estimation of chaotic biological systems" , Communications in Nonlinear Science and Numerical Simulation, Vol.20, pp.469-481, 2015.
9. S. Lao, Y. Shekofteh, S. Jafari, J. Sprott, "Cost Function Based on Gaussian Mixture Model for Parameter Estimation of a Chaotic Circuit with a Hidden Attractor" , INTERNATIONAL JOURNAL OF BIFURCATION AND CHAOS, Vol.24, pp.1-11, 2014.
10. Y. Shekofteh, S. Gharibzadeh, "Are Chaotic Models of EEG Signals Useful in Diagnosing Attention-Deficit/Hyperactivity Disorder" , CLINICAL EEG AND NEUROSCIENCE, Vol.45, pp.57-58, 2014.
11. Y. Shekofteh, F. Almasganj, "Autoregressive modeling of speech trajectory transformed to the reconstructed phase space for ASR purposes" , DIGITAL SIGNAL PROCESSING, Vol.23, pp.1923-1932, 2013.
12. Y. Shekofteh, F. Almasganj, "Remote Diagnosis of Unilateral Vocal Fold Paralysis Using Matching Pursuit based Features Extracted from Telephony Speech Signal" , Scientia Iranica, Vol.6, pp.2051-2060, 2013.
13. Y. Shekofteh, S. Gharibzadeh, F. Almasganj, "Are speech attractor models useful in diagnosing vocal fold pathologies" , Journal of medical signals and sensors, Vol.3, pp.185-186, 2013.
14. Y. Shekofteh, F. Almasganj, "Feature Extraction Based on Speech Attractors in the Reconstructed Phase Space for Automatic Speech Recognition Systems" , ETRI JOURNAL, Vol.35, pp.100-108, 2013.
15. ش. حسين نژاد, ي. شكفته, ط. امامي آزادي, "پيكره اعلام يك پيكره استاندارد واحدهاي اسمي براي زبان فارسي" , پردازش علائم و داده ها, نسخه 14, صفحات:127-142, 1396.
16. ي. شكفته, ف. الماس گنج, "تخمين سريع ضرايب پيچش در هنجارسازي طول مجراي صوتي با استفاده از امتياز به دست آمده از مدلسازي تشخيص جنسيت" , پردازش علائم و داده ها, نسخه 13, صفحات:57-70, 1395.
17. ي. شكفته, ف. الماس گنج, "بازشناسي مقاوم گفتار با استفاده از ويژگي الگوهاي زماني به دست آمده از ساختار شبكه عصبي بهينه شده MTMLP" , سيستم هاي هوشمند در مهندسي برق, نسخه 3, صفحات:23-36, 1393.
18. ي. شكفته, "بهبود كارايي سيستم كاوشگر كلمات تلفني با استفاده از نرماليزاسيون امتياز اطمينان مبتني بر روش برنامه ريزي خطي" , پردازش علائم و داده ها, نسخه 2, صفحات:37-48, 1389.
19. ي. شكفته, "ارائه مدلي براي بررسي حركت فك حين تكلم" , مهندسي پزشكي زيستي, نسخه 2, صفحات:123-129, 1387.

Conference Articles