امروز : سه شنبه سوم اردیبهشت 1398
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Mehdi Bekrani
دوشنبه یکم دی 1393 ساعت 1:45 ب ظ - توسط : مهدی بکرانی


Personal Information
Name: Mehdi
Surname: Bekrani
Contact Address: Department of Electrical and Computer Engineering, Qom University of
Technology
Date of Birth: 09/21/1979
Place of Birth: Gorgan, Iran
Marital Status: Married
E-Mail: bekrani@gmail.com, m_bekrani@yahoo.com
Education
• 2004-2010, Ph.D. in Electrical Engineering, Tarbiat Modares University, Tehran, Iran.
Field: Signal Processing.
Thesis Title: New Approaches for Improvement of the Performance of Adaptive Stereo Acoustic Echo
Cancellers
Advisor: Prof. Mojtaba Lotfizad
• 2001-2003, M.Sc. in Electrical Engineering, Tarbiat Modares University, Tehran, Iran.
Field: Signal Processing.
Thesis Title: Investigation of Spectral Subtraction Method and Reducing Resultant Musical Noise
Advisor: Prof. Mojtaba Lotfizad
• 1997-2001, B.Sc. in Electrical Engineering, Ferdowsi University of Mashhad, Mashhad, Iran.
Field: Electronics.
Thesis Title: Investigation of Picture-In-Picture (PIP) System in Digital Televisions
Advisor: Prof. Ali Bayat-Mokhtari
Current Position
Assistant Prof., Qom University of Technology, Qom, Iran
Research Experience
1. May 2013 - Aug. 2014, Researcher, TP Electronic and Telecommunication Research Center,
Iran.
2. Feb. 2011 - Dec. 2012, Post-doctoral Research Fellow, Nanyang Technological University,
Singapore.
3. Mar. 2009 - Sep. 2009, Visiting Researcher, Nanyang Technological University, Singapore.
Research fields:
• Acoustic Source Reconstruction and Soundfield Control
• Multi-Channel Acoustic Equalization and dereverberation
• Stereophonic Acoustic Echo Cancellation
Teaching Experience
2003-2014, Islamic Azad University.
Courses:
• Analog Integrated Circuit Design
• Digital Signal Processing
• Pulse Techniques
• Electrical Circuits I
• Digital Design
• Electronics I & II
• C/C++ Programming
• Principles of Radio Communication
• Control
2008, Tarbiat Modares University.
Course:
• Digital Signal Processing (Teacher Assistant)
2013-Present, Qom University of Technology, Qom, Iran.
Courses:
• Technical English
• Electrical Measurement
• Electronics I & II
• Filter and Synthesis
• Digital Electronics
• Pulse Techniques
• Signals and Systems
• Digital Design
Laboratory Experience
• Pulse Techniques
• Electrical Measurement
• Electronics I & II
• Digital Design
• Communication Circuits
Language Skills
• Persian (Native)
• English (Excellent)
Research Interests
Signal and Image Processing, including:
• Speech Enhancement
• Equalization and Dereverberation
• Echo and Feedback cancellation
• Blind Source Separation
• Active Noise Control
• Background Subtraction
• Text Extraction
Software and Programming Skills
IC Design and Simulation: HSPICE
Circuit Design and Simulation: PSPICE, Proteus
Programming Language: MATLAB, C++
Other Softwares: Latex, Office, Adobe Acrobat.
Publications
Journal Papers:
1. M. Bekrani, A. W. H. Khong, M. Lotfizad, “A Linear Neural Network based Approach to Stereophonic Acoustic
Echo Cancellation,” IEEE Transaction on Audio, Speech, and Language Processing, Vol. 19, No. 6, pp. 1743-
1753, Aug. 2011.
2. M. Bekrani, A. W. H. Khong, M. Lotfizad, “A Clipping-based Selective-Tap Adaptive Filtering Approach for
Stereophonic Acoustic Echo Cancellation,” IEEE Transaction on Audio, Speech, and Language Processing,,
Vol. 19, No. 6, pp. 1826- 1836, Aug. 2011.
3. M. Bekrani, M. Lotfizad, “Clipped LMS/RLS Adaptive Algorithms: Analytical Evaluation and Performance
Comparison with Low-Complexity Counterparts," Accepted in Circuits, Systems and Signal Processing, 2014.
4. M. Bekrani, M. Lotfizad, “Performance Analysis of Three-Level Clipping-based LMS Algorithm in the System
Identification Application,” Journal of Electrical Engineering-Modares, Vol. 10, No. 2, pp. 17-29, Jul. 2010.
(Persian)
5. M. Bekrani, M. Lotfizad, “A Modified Wavelet-domain Adaptive Filtering Algorithm for Stereophonic Acoustic
Echo Cancellation in the Teleconferencing Application,” International Journal of Information & Communication
Technology, Vol. 1, No. 1, pp. 29-37, Mar. 2009.
6. M. Bekrani, H. Sadoghi Yazdi, M. Lotfizad, “Speech Enhancement Using Modified Multi-Band Spectral
Subtraction Method,” Iranian Journal on Electrical and Computer Engineering, Vol. 4, No. 1, pp. 22-30, May
2005. (Persian)
7. M. Bekrani, M. Lotfizad, “A New Method of Stereophonic Acoustic Echo Cancellation Employing Clipped-
Input Adaptive Algorithm," Journal of Iranian Association of Electrical and Electronics Engineers, Vol.6, No.2,
pp. 25-39, 2009.
8. M. Bekrani, M. Lotfizad, “Stereo Acoustic Echo Cancellation using MIMO Decorrelation Network-based
NLMS Adaptive Filter," Iranian Journal on Electrical and Computer Engineering, Vol. 8, No. 2, pp. 123-130,
2010.
Conference Papers:
1. M. Bekrani, A. W. H. Khong, “Misalignment Analysis and Insights Into the Performance of Clipped-Input LMS
with Correlated Gaussian Data,” in Proc. IEEE Int. Conf. Acoustics Speech Signal Processing, pp.5929-5933,
May 2014.
2. M. Bekrani, H. Zayyani, “A Soft-Max PNLMS Algorithm for Identification of Sparse System,” in Proc. First
National Conf. on Electrical and Computer North Iran, pp.1-8, Jun. 2014.
3. M. Bekrani, A. W. H. Khong, “Convergence Analysis of Clipped Input Adaptive Filters Applied to System
Identification,” in Proc. IEEE Asilomar Conf. Signals, Systems and Computers, pp. 801-805, Nov. 2012.
4. R. Li, M. Bekrani, A. W. H. Khong, “Acoustic Source Reconstruction using Efficient Adaptive Inverse
Approach,” in Proc. Int. Conf. on Signal Processing Systems, pp. 142–146, Aug. 2011.
5. M. Bekrani, A. W. H. Khong, “Performance Analysis and Insights Into the Clipped Input Adaptive Filters
Applied to System Identification,” in Proc. Int. Conf. on Signal Processing Systems, pp. 232–236, Aug. 2011.
6. M. Bekrani, M. Lotfizad, “Misalignment Analysis of Two-Channel NLMS Adaptive Filters in Stereophonic
Acoustic Echo Cancellation,” in Proc. 15th International CSI Computer Conference, Mar. 2010.
7. M. Bekrani, M. Lotfizad, “Weight Misalignment Analysis of RLS-based Multi-Channel FIR Adaptive Filters,”
in Proc., 18th Iranian Conference on Electrical Engineering, pp. 3003-3008, May. 2010.
8. M. Bekrani, A. W. H. Khong, M. Lotfizad, “A Clipping-based Adaptive Filtering Approach for Stereophonic
Acoustic Echo Cancellation,” in Proc. IEEE Int. Conf. Acoustics Speech Signal Processing, pp.337-340, Mar.
2010.
9. M. Bekrani, A. W. H. Khong, M. Lotfizad, “A New Partial Update NLMS for Stereophonic Acoustic Echo
Cancellation,” in Proc. European Signal Processing Conference, pp. 11-15, Aug. 2010.
10. M. Bekrani, A. W. H. Khong, M. Lotfizad, “Neural Network based Adaptive Echo Cancellation for Stereophonic
Teleconferencing Application,” in Proc. International Conference on Multimedia and Expo, pp. 1172-1177, Jul.
2010.
11. M. Bekrani, M. Lotfizad, A. W. H. Khong, “An Efficient Quasi LMS/Newton Adaptive Algorithm for
Stereophonic Acoustic Echo Cancellation,” in Proc. IEEE Asia Pacific Conference on Circuits and Systems, pp.
684-687, Dec. 2010.
12. M. Bekrani, M. Lotfizad, “A Modified NLMS Adaptive Algorithm for Stereophonic Acoustic Echo
Cancellation,” in Proc. First National Acoustic Conference (Nac2009), May 2009.
13. M. Bekrani and M. Lotfizad, “A Hybrid Clipped/Unclipped Input Adaptive Filtering Scheme for Stereophonic
Acoustic Echo Cancellation,” in Proc. 17th Iranian Conference on Electrical Engineering, vol. 4, pp. 559-563,
May 2009.
14. M. Bekrani and M. Lotfizad, “An Improved Selective-Tap Adaptive Algorithm for Stereophonic Acoustic Echo
Cancellation,” in Proc. 17th Iranian Conference on Electrical Engineering, vol.4, pp. 564-568, May 2009.
15. M. Bekrani, M. Lotfizad, “A Modified Wavelet-domain Adaptive Filtering Algorithm for Stereophonic Acoustic
Echo Cancellation in the Teleconferencing Application,” in Proc. 4th International Symposium on
Telecommunications, pp. 548-554, Aug. 2008.
16. M. Bekrani, M. Lotfizad, “A New Method for Stereophonic Acoustic Echo Cancellation using Neural Networkbased
Adaptive Filtering,” in Proc. 2nd Joint Congress on Fuzzy and Intelligent Systems, Oct. 2008.
17. M. Bekrani and M. Lotfizad, “A Wavelet Thresholding Approach for Signal Decorrelation in the Stereophonic
Acoustic Echo Cancellation Application,” in Proc. 9th International Conference on Signal Processing, pp. 2681-
2683, Oct. 2008.
18. M. Bekrani, H. Sadoghi Yazdi, M. Lotfizad, “Estimation of Variance of the Speech Signals using Estimated
SNR and Variations of Zero-Crossing Rate for Speech Enhancement,” in Proc. 11th International CSI Computer
Conference, Jan. 2006. (Persian)
19. M. Bekrani, H. Sadoghi Yazdi, M. Lotfizad, “Multi Band Spectral Subtraction with Adaptive Averaging for
Speech Enhancement,” in Proc. 10th Annual Conference on Computer, May 2005. (Persian)
20. M. Bekrani, M. Lotfizad, “New Method of Spectral Subtraction with Adaptive Noise Estimator for Speech
Enhancement,” in Proc. 10th Annual Conference on Computer, May 2005. (Persian)
21. M. Bekrani, M. Yargholi, "Low-Power Low-Noise Neural Amplifier," in Proc. 7th Iranian Student Conference
on Electrical Engineering, Sep. 2004.
References
Prof. M. Lotfizad, Tarbiat Modares University, Iran, lotfizad@modares.ac.ir
Prof. A. W. H. Khong, Nanyang Technological University, Singapore, awkhong@ntu.edu.sg
Prof. E. Kabir, Tarbiat Modares University, Iran, kabir@modares.ac.ir
آدرس : قم – بلوار سردار شهید خدا کرم( جاده قدیم تهران)
تلفن: 36641601-025 فاکس: 36641604 -025
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پست الکترونیک: Info.admin@qut.ac.ir