SPRL: Signal and speech Processing Research Lab

Publications

Books/Chapters6 Journal Papers39 Conference Papers29 Patents2

Books/Chapters

  • "Pulse and Digital Circuits" (In Persian), Tehran: Amirkabir University Publications, 2015.
  • G. Farahani, S.M. Ahadi and M.M. Homayounpour, "Autocorrelation-based Methods for Noise- Robust Speech Recognition," in Robust Speech Recognition and Understanding, M. Grimm and K. Kroschel, Eds., I-Tech Education and Publishing, Vienna (available at http://www.books.i-techonline.com)
  • "Fundamentals of Microprocessors and Interfacing" (In Persian), 4th Edition, Tehran: Amirkabir University Publications, 2015.
  • "Fundamentals of Microprocessors and Interfacing" (In Persian), 3rd Edition, Tehran: Amirkabir University Publications, 2009.
  • "Fundamentals of Microprocessors and Interfacing" (In Persian), 2nd Edition, Tehran: Amirkabir University Publications, 2006.
  • "Fundamentals of Microprocessors and Interfacing" (In Persian), Tehran: Amirkabir University Publications, 2002.

Recent Journal Papers

  • E. Rajaby, S.M. Ahadi and H. Aghaeinia, "Robust color image segmentation using fuzzy c-means with weighted hue and intensity," Digital Signal Processing, 51 (2016), pp. 170–183.
  • S. Mavaddaty, S.M. Ahadi and S. Seyedin, "A novel speech enhancement method by learnable sparse and low-rank decomposition and domain adaptation," Speech Communication, 76 (2016), pp. 42-60.
  • A. Soltani, S.M. Ahadi, N. Faraji, S. Sharifian, "Designing efficient discriminant functions for multi-category classification using evolutionary methods," Neurocomputing, Vol. 173, Part 3, January 2016, pp. 1885-1897.
  • K.E. Kafoori and S.M. Ahadi, "Bounded cepstral marginalization of missing data for robust speech recognition," Computer Speech and Language, 36 (2016), pp. 1–23.
  • H.R. Tohidypour and S.M. Ahadi, "New features for speech enhancement using bivariate shrinkage based on redundant wavelet filterbanks," Computer Speech and Language, 35 (2016), pp. 93–115.
  • S. Mavaddaty, S.M. Ahadi and S. Seyedin, "A Modified Coherence-based Dictionary Learning Method for Speech Enhancement," IET Signal Processing, Vol. 9, No. 7, September 2015, pp. 537–545.
  • S. Seyedin, S. Gazor and S.M. Ahadi, "On the distribution of mel-filtered log-spectrum of speech in additive noise," Speech Communication, 67 (2015), 8–25.
  • S. Ahmadi, S.M. Ahadi, B. Cranen and L. Boves, "Sparse coding of the modulation spectrum for noise-robust automatic speech recognition," EURASIP Journal on Audio, Speech, and Music Processing 2014, 2014:36.
  • S.M. Tabatabaei, B. Vahidi, S.H. Hosseinian and S.M. Ahadi, "Locating the Effect of Switched Capacitor in Distribution Systems Using Support Vector Machine," Science International - Lahore, 26(2), pp. 605-611, 2014.
  • S. Seyedin, S.M. Ahadi and S. Gazor, "New Features Using Robust MVDR Spectrum of Filtered Autocorrelation Sequence for Robust Speech Recognition," Hindawi, The Scientific World Journal, Volume 2013.
  • A. Pourmohammad and S.M. Ahadi, "N-dimensional N-microphone sound source localization," EURASIP Journal on Audio Speech and Music Processing 2013, 2013:27.
  • N. Faraji, S.M. Ahadi and H. Sheikhzadeh, "Sequential method for speech segmentation based on Random Matrix Theory," IET Signal Processing, vol. 7, No. 7, pp.625-633, Sep. 2013.
  • J. Saeedi, S.M. Ahadi and K. Faez, "Robust Voice Activity Detection Directed by Noise Classification," Signal, Image and Video Processing, April 2013.
  • F. Bagheri, B. Vahidi and S.M. Ahadi, "Compressed Air Energy Storage Power Plant Positioning in East Azerbaijan, Iran: A Case Study," Science International - Lahore, 25(2), pp. 229-233, 2013.
  • S. Mirsamadi, S. Ghaffarzadegan, H. Sheikhzadeh, S.M. Ahadi, A.H. Rezaie, "Efficient Frequency Domain Implementation of Noncausal Multichannel Blind Deconvolution for Convolutive Mixtures of Speech," IEEE Transactions on Audio, Speech, and Language Processing, vol. 20, No. 8, pp. 2365 – 2377, Oct. 2012.
  • A. Pourmohammad and S.M. Ahadi, "Real Time High Accuracy 3D PHAT-Based Sound Source Localization Using a Simple 4-Microphone Arrangement," IEEE Systems Journal, vol. 6, No. 3, Sep. 2012, pp. 455-468.
  • M. Jannati, B. Vahidi, S.H. Hosseinian, S.M. Ahadi, "A novel approach to adaptive single phase auto-reclosing scheme for EHV transmission lines," Electrical Power and Energy Systems, 33 (2011), 639-646.
  • S. Seyedin and S.M. Ahadi, "A New Subband-Weighted MVDR-based Front-end for Robust Speech Recognition," IEICE Trans. Inf. & Syst., vol. E93-D, No. 8, Aug. 2010.
  • N. Khademi Kalantari and S.M. Ahadi, "A Logarithmic Quantization Index Modulation for Perceptually Better Data Hiding," IEEE Trans. Image Proc., vol. 19, No. 6, June 2010.
  • B. Vahidi, N. Ghaffarzadeh, S.H. Hosseinian and S.M. Ahadi, "An Approach to Detection of High Impedance Fault Using Discrete Wavelet Transform and Artificial Neural Networks," Simulation, vol. 86, No. 4, April 2010.
  • N. Khademi Kalantari, S.M. Ahadi and M. Vafadoost, "A Robust Image Watermarking in the Ridgelet Domain Using Universally Optimum Decoder," IEEE Trans. Circ. Syst. for Video Tech, vol. 20, No. 3, March 2010.
  • B. Vazirnezhad, F. Almasganj, S.M. Ahadi and A. Chanen, "Speaker adapted dynamic lexicons containing phonetic deviations of words," Journal of Zhejiang University-SCIENCE A 2009 10(10):1461-1475, Oct. 2009.
  • N. Khademi Kalantari, M.A. Akhaee, S.M. Ahadi and H.R. Amindavar, "Robust Multiplicative Patchwork Method for Audio Watermarking," IEEE Trans. Audio, Speech and Lang. Processing, vol. 17, No. 6, August 2009.
  • J. Kabudian, M.M. Homayounpour and S.M. Ahadi, "Bernoulli versus Markov: Investigation of State Transition Regime in Switching-State-Model Based Acoustic Modeling," Signal Processing, 89(2009), 662-668, April 2009.
  • D. Gharavian and S.M. Ahadi, "Emotional Speech Recognition and Emotion Identification in Farsi Language," Tarbiat Modarres Scientific Research Journal, No. 34, Winter 2009 (in Persian).
  • B. Vahidi, S. Taghipour Boroujeni and S. M. Ahadi, "An Investigation of the Applicability of Barbed Shield Wires to Protect Transmission Lines Using Charge Simulation Method," International Review of Electrical Engineering, vol. 4, No. 1, Jan.-Feb. 2009.
  • B. Vazirnezhad, F. Almasganj and S.M. Ahadi, "Hybrid statistical pronunciation models designed to be trained by a medium-size corpus," Computer Speech and Language, 23 (2009), 1-24, Jan. 2009.
  • B. Vahidi, M. Yahyaabadi, M. R. Bank Tavakoli, and S. M. Ahadi, "Leader Progression Analysis Model for Shielding Failure Computation by Using Charge Simulation Method," IEEE Trans. Power Delivery, vol. 23, No. 4, pp. 2201-2206, October 2008.
  • D. Gharavian and S.M. Ahadi, "Stressed Speech Recognition Using a Warped Frequency Scale," IEICE Electronics Express, vol. 5, No.6, 187-191, March 2008.
  • S.M. Ahadi, "Improved Bayesian Training for Context-Dependent Modeling in Continuous Persian Speech Recognition," Journal of the Iranian Association of Electrical and Electronics Engineers, vol. 4, No. 1, Spring-Summer 2007.
  • S.M. Ahadi, "Improved Bayesian Training for Context-Dependent Modeling in Continuous Persian Speech Recognition ," in Journal of the Iranian Association of Electrical and Electronics Engineers.
  • G. Farahani, S.M. Ahadi and M.M. Homayounpour, "Features based on filtering and spectral peaks in autocorrelation domain for robust speech recognition," Computer Speech and Language,21 (2007), 187-205, Elsevier.
  • G. Farahani, S.M. Ahadi and M.M. Homayounpour, "Robust Feature Extraction of Speech via Noise Reduction in Autocorrelation Domain," Lecture Notes in Computer Science, LNCS-4105,Springer-Verlag, September 2006.
  • S. Sharifian and S.M. Ahadi, "Speaker Adaptation in Continuous Speech Recognition Using MLLR-based MAP Estimation," Esteghlal Journal (in Persian), vol. 23, No. 2, February/March 2005.
  • S.M. Ahadi, H. Sheikhzadeh, R.L. Brennan and G.H. Freeman, "A weighted overlap add-based front-end for speech recognition," Journal of the Iranian Association of Electrical and Electronics Engineers, vol. 1, No. 2, pp.15-20, Summer and Fall 2004.
  • D. Gharavian and S.M. Ahadi, "Statistical Evaluation of Stress in Farsi and its Effect on Vowel Pitch Frequencies, Durations and Energies", Amirkabir Scientific Research Journal, Vol. 15, No.58-A, pp.258-268, Spring 2004 (in Persian).
  • J. Habibi-Markani and S.M. Ahadi, "Category-based Statistical Modeling of Farsi Language for Continuous Speech Recognition," International Journal of Engineering Sciences, vol. 15, No.1,Spring 2004 (in Persian).
  • S.H. Shams and S.M. Ahadi, "Context Dependent Modeling in Continuous Speech Recognition based on a Persian Phonetic Decision Tree", Tarbiat Modarres Scientific Research Journal, vol.13, Autumn 2003 (in Persian).
  • S.H. Shams and S.M. Ahadi, "Weighted Training of Context-Dependent Models for Continuous Persian Speech Recognition", Amirkabir Journal of Science and Technology, vol. 14, No. 53,Winter 2003 (In Persian).

Recent Conference Papers (Since 2010)

  • N. Faraji and S.M. Ahadi, "Improved subspace-based speech enhancement using a novel updating approach for noise correlation matrix," in Proc. International Conference on Signal Processing and Intelligent Systems (SPIS 2015), December 2015, Tehran, Iran.
  • E. Rajaby, S.M. Ahadi and H. Aghaeinia, "Entropy-based Fuzzy C-means with Weighted Hue and Intensity for Color Image Segmentation," in Proc. International Conference on Signal Processing and Intelligent Systems (SPIS 2015), December 2015, Tehran, Iran.
  • E. Eideli, S.M. Ahadi and N. Faraji, "A Novel Speech Intelligibility Improvement Method Using Maximizing Mutual Information Measure," in Proc. 10th European Congress and Exposition on Noise Control Engineering (EuroNoise 2015), June 2015, Maastricht.
  • Z. Hosseini and S.M. Ahadi, "A Front-End for Emotional Speech Classification based on New Sub-Band Filters," in Proc. 23rd Iranian Conference on Electrical Engineering (ICEE 2015), May 2015, Tehran, Iran.
  • E. Partovi, S.M. Ahadi and N. Faraji, "Language Identification Based on Improved Training and Classification," in Proc. 23rd Iranian Conference on Electrical Engineering (ICEE 2015), May 2015, Tehran, Iran.
  • K.E. Kafoori and S.M. Ahadi, "A Novel Classifier Modification Approach to Missing Data Problem for Noisy Speech Recognition," in Proc. 7th International Symposium on Telecommunications, Sep. 2014, Tehran.
  • Z. Hosseini, S.M. Ahadi and N. Faraji, "Speech Emotion Classification via a Modified Gaussian Mixture Model Approach," in Proc. 7th International Symposium on Telecommunications, Sep. 2014, Tehran.
  • Z. Hojjati and S.M. Ahadi, "Design and Implementation of a Directional Loudspeaker using DSB Modulation," in Proc. International Conference on Acoustics and Vibration (ISAV 2013), Tehran Dec. 2013.
  • E. Loweimi, S.M. Ahadi, T. Drugman and S. Loveymi, "On the Importance of Pre-emphasis and Window Shape in Phase-Based Speech Recognition," in Proc. ISCA Workshop on Non-linear Speech Processing (NOLISP), June 2013, Mons, Belgium.
  • N. Faraji, S.M. Ahadi and H. Sheikhzadeh, "A Fast Semi-blind Reverberation Time Estimation Using Non-linear Least Squares Method," in Proc. ISCA Workshop on Non-linear Speech Processing (NOLISP), June 2013, Mons, Belgium.
  • E. Loweimi, S.M. Ahadi and T. Drugman, "A New Phase-Based Feature Representation for Robust Speech Recognition," in Proc. ICASSP, May 2013, Vancouver.
  • S. Khaksar Haghani and S.M. Ahadi, "Robust Voice Activity Detection Using Feature Combination," in Proc. 21st Iranian Conference on Electrical Engineering (ICEE 2013), May 2013, Mashad, Iran.
  • A. Pourmohammad and S.M. Ahadi, "Spectrally Correlated Sound Source Localization in a Noisy Environment Based on A New Mask for Duet Algorithm," in Proc. 8th International Conference on Information, Communications and Signal Processing (ICICS), Dec. 2011, Singapore.
  • M. Karbasi, S.M. Ahadi and M. Bahmanian, "Environmental Sound Classification using Spectral Dynamic Features," in Proc. 8th International Conference on Information, Communications and Signal Processing (ICICS), Dec. 2011, Singapore.
  • A. Pourmohammad and S.M. Ahadi, "Spectrally Correlated Sound Source Detection in a Noisy Environment Using TFD-ACF Mask," in Proc. 5th International Conference on Application of Information and Communication Technologies (AICT), Oct. 2011, Baku.
  • E. Loweimi, S.M. Ahadi and H. Sheikhzadeh, "Phase-only Speech Reconstruction Using Very Short Frames," in Proc. Interspeech, August 2011, Florence.
  • E. Loweimi and S.M. Ahadi, "A new group delay-based feature for robust speech recognition," in Proc. IEEE International Conference on Multimedia and Expo (ICME), July 2011, Barcelona.
  • M.R. Narimannejad and S.M. Ahadi, "Watermarking of speech signal through phase quantization of sinusoidal model," in Proc. 19th Iranian Conference on Electrical Engineering (ICEE), May 2011, Tehran.
  • E. Loweimi, S.M. Ahadi and S. Loveymi, "On the importance of phase and magnitude spectra in speech enhancement," in Proc. 19th Iranian Conference on Electrical Engineering (ICEE), May 2011, Tehran.
  • N. Faraji, S.M. Ahadi, H. Sheikhzadeh, and A. Moghaddamjoo, "A Novel Method for Data Segmentation to Covariance Stationary Regions," in Proc. 5th International Symposium on Telecommunications, Dec. 2010, Tehran.
  • N. Faraji, S.M. Ahadi, H. Sheikhzadeh, and A. Moghaddamjoo, "Speech segmentation using a hypothesis test based on Random Matrix Theory," in Proc. IEEE International Symposium on Signal Processing and Information Technology (ISSPIT), Dec. 2010, Luxor.
  • A. Pourmohammad and S.M. Ahadi, "TDE-ILD-based 2D half plane real time high accuracy sound source localization using only two microphones and source counting," in Proc. International Conference On Electronics and Information Engineering (ICEIE), August 2010, Kyoto.
  • A. Pourmohammad and S.M. Ahadi, "TDE-based 3D real time high accuracy sound source location calculation using a special microphones arrangement," in Proc. International Conference On Electronics and Information Engineering (ICEIE), August 2010, Kyoto.
  • A. Pourmohammad and S.M. Ahadi, "TDE-Based 2D Real Time High Accuracy Sound Source Location Calculation Using a Special Microphones Arrangement," in Proc. International Conference on Signal Processing Systems (ICSPS), July 2010, Dalian.
  • E. Shokri and S.M. Ahadi, "Burst-Like Packet loss Compensation Using DTW/HMM Hybrid," in Proc. International Conference on Signal Processing Systems (ICSPS), July 2010, Dalian.
  • E. Loveimi and S.M. Ahadi, "Objective Evaluation of Phase and Magnitude Only Reconstructed Speech: New Considerations," in Proc. 10th International Conference on Information Science, Signal Processing and their Applications (ISSPA), May 2010, Kuala Lumpur.
  • M.M. Goodarzi, F. Almasganj and S.M. Ahadi, "Reconstructing missing speech spectral components using both temporal and statistical correlations," in Proc. 10th International Conference on Information Science, Signal Processing and their Applications (ISSPA), May 2010, Kuala Lumpur.
  • N. Khademi and S.M. Ahadi, "Rational Dither Modulation Using Logarithmic Quantization With Optimum Parameter," in Proc. ICASSP, March 2010, Dallas.
  • E. Loveimi and S.M. Ahadi, "Objective Evaluation of Magnitude and Phase Only Spectrum-based Reconstruction of the Speech Signal," in Proc. 4th International Symposium on Communications, Control and Signal Processing (ISCCSP), March 2010, Limassol.

Patents

  • M. Karbasi, S.M. Ahadi and M. Bahmanian, "Automatic Recognition of Environmental Sounds using Dynamic Audio Features," Iranian patent No. 73307, Jan. 7, 2012.
  • S.M. Ahadi, G. Farahani and M.M. Homayounpour, "Noise Subtraction Algorithm in Autocorrelation Domain," Iranian patent No. 42009, Aug. 15, 2007.

Speech Processing Research Lab., 3rd floor Abou-Ray-Han Building, Amirkabir University of Technology (Tehran Polytechnic), Hafez Ave., Tehran, Iran. Tel: +98-21-6454-3392