Two new methods to design digital filters. - Abdolreza Nabavi; Nikzad Babaii Rizvandi; Mojtaba Lotfizad (APCCAS (2), 2002)

Vehicle Tracking at Traffic Scene with Modified RLS. - Hadi Sadoghi Yazdi; Mahmood Fathy; Mojtaba Lotfizad (ICIAR (2), 2004)

Modified Clipped LMS Algorithm. - Mojtaba Lotfizad; Hadi Sadoghi Yazdi (EURASIP J. Adv. Signal Process., 2005)

Clipped Input RLS Applied to Vehicle Tracking. - Hadi Sadoghi Yazdi; Mojtaba Lotfizad; Ehsanollah Kabir; Mahmood Fathy (EURASIP J. Adv. Signal Process., 2005)

Comparision Performance of Different Constellation with with FHT in ADSL System Based on DMT. - Saeed Ghazi-Maghrebi; Mojtaba Lotfizad; Mohammad Ghanbari 001 (DSP, 2007)

The Better Performance of the New Non-Rectangular QAM with FHT in ADSL System Based on DMT without Cyclic Prefix. - Saeed Ghazi-Maghrebi; Mojtaba Lotfizad; Mohammad Ghanbari 001 (DSP, 2007)

Duct Modeling Using the Generalized RBF Neural Network for Active Cancellation of Variable Frequency Narrow Band Noise. - Hadi Sadoghi Yazdi; Javad Haddadnia; Mojtaba Lotfizad (EURASIP J. Adv. Signal Process., 2007)

A lossy/lossless compression method for printed typeset bi-level text images based on improved pattern matching. - Hadi Grailu; Mojtaba Lotfizad; Hadi Sadoghi Yazdi (Int. J. Document Anal. Recognit., 2009)

Farsi and Arabic document images lossy compression based on the mixed raster content model. - Hadi Grailu; Mojtaba Lotfizad; Hadi Sadoghi Yazdi (Int. J. Document Anal. Recognit., 2009)

An improved pattern matching technique for lossy/lossless compression of binary printed Farsi and Arabic textual images. - Hadi Grailu; Mojtaba Lotfizad; Hadi Sadoghi Yazdi (Int. J. Intell. Comput. Cybern., 2009)

1-D chaincode pattern matching for compression of Bi-level printed farsi and arabic textual images. - Hadi Grailu; Mojtaba Lotfizad; Hadi Sadoghi Yazdi (Image Vis. Comput., 2009)

An efficient quasi LMS/Newton adaptive algorithm for stereophonic acoustic echo cancellation. - Mehdi Bekrani; Mojtaba Lotfizad; Andy W. H. Khong (APCCAS, 2010)

A new partial update NLMS for stereophonic acoustic echo cancellation. - Mehdi Bekrani; Andy W. H. Khong; Mojtaba Lotfizad (EUSIPCO, 2010)

A clipping-based adaptive filtering approach for stereophonic acoustic echo cancellation. - Mehdi Bekrani; Andy W. H. Khong; Mojtaba Lotfizad (ICASSP, 2010)

A new low-power and low-complexity all digital PLL (ADPLL) in 180nm and 32nm. - Arash Abadian; Mojtaba Lotfizad; Nasser Erfani Majd; Mohammad Bagher Ghaznavi Ghoushchi; H. Mirzaie (ICECS, 2010)

Neural network based adaptive echo cancellation for stereophonic teleconferencing application. - Mehdi Bekrani; Andy W. H. Khong; Mojtaba Lotfizad (ICME, 2010)

A Family of Adaptive Filter Algorithms in Noise Cancellation for Speech Enhancement - Sayed A. Hadei; Mojtaba Lotfizad (CoRR, 2011)

An ultra low power and low complexity all digital PLL with a high resolution digitally controlled oscillator. - Arash Abadian; Mojtaba Lotfizad; M. B. Ghaznavi-Ghoushchi; Nasser Erfani Majd (IEICE Electron. Express, 2011)

An ultra low-power digitally controlled oscillator using novel Schmitt-trigger based hysteresis delay cells. - Nasser Erfani Majd; Mojtaba Lotfizad; M. B. Ghaznavi-Ghoushchi; Arash Abadian (IEICE Electron. Express, 2011)

A Linear Neural Network-Based Approach to Stereophonic Acoustic Echo Cancellation. - Mehdi Bekrani; Andy W. H. Khong; Mojtaba Lotfizad (IEEE Trans. Speech Audio Process., 2011)

A Clipping-Based Selective-Tap Adaptive Filtering Approach to Stereophonic Acoustic Echo Cancellation. - Mehdi Bekrani; Andy W. H. Khong; Mojtaba Lotfizad (IEEE Trans. Speech Audio Process., 2011)

A target-based color space for sea target detection. - Saeed Mirghasemi; Hadi Sadoghi Yazdi; Mojtaba Lotfizad (Appl. Intell., 2012)

Clipped LMS/RLS Adaptive Algorithms: Analytical Evaluation and Performance Comparison with Low-Complexity Counterparts. - Mehdi Bekrani; Mojtaba Lotfizad (Circuits Syst. Signal Process., 2015)

Design of a High-Frequency Very Low-Power Direct Digital Frequency Synthesizer. - Mojtaba Hasannezhad; Abumoslem Jannesari; Mojtaba Lotfizad (J. Circuits Syst. Comput., 2016)

Visual tracking via decision-based particle filtering based on sparse representation. - Mohamad Hosein Davoodabadi Farahani; Mojtaba Lotfizad (J. Electronic Imaging, 2018)

Improved clipped affine projection adaptive algorithm. - Mehdi Bekrani; Ruhollah Bibak; Mojtaba Lotfizad (IET Signal Process., 2019)