---

Education

• B.SC., Sharif University of Technology, Iran, Electrical & Computer Engineering, 1990
• M.Sc., Amirkabir University of Technology, Iran, Biomedical Engineering, 1994
• Ph.D., University of British Columbia, Canada, Electrical & Computer Engineering, 2000

Publications

• S.Y. Ji, K. Ward, K. Ryan, C. Rickards, V. Convertino, N. Vyas, J. Stivoric, and K. Najarian, Prediction of Hypovolemia Severity Using ECG Signal with Wavelet Transformation Analysis From a Mobile Armband, to appear in: Circulation, Orlando, FL, USA, Nov., 2009, Best Abstract Award.
• S.Y. Ji, A.A.R. Bsoul, K. Ward, K. Ryan, C. Rickards, V. Convertino, and K. Najarian, Incorporating Physiological Signals to Blood Loss Prediction Based on Discrete Wavelet Transformation, to appear in: Circulation, Orlando, FL, USA, Nov. 2009.
• A. A. R. Bsoul, S.Y. Ji, K. Ward. K. Ryan. C. Rickards, V. Convertino, and K. Najarian, Prediction of Severity of Blood Volume Loss Using Features Based on P, T and QRS Waves, to appear in: Circulation, Orlando, FL, USA, Nov. 2009.
• K. Ward, N. Vyas, S.Y. Ji, C. Rickards, K. Ryan, V. Convertino, R. Jackson, K. Najarian, Use of Low level Physiologic Signals and machine Learning to Derive Important Homodynamic Variables During Acute Volume Loss, to appear in: Circulation, Orlando, FL, USA, Nov 2009.
• S. Demir, N. Mirshahi, K. Ward, R. Hobson, K. Najarian, Vessel Segmentation Based on Multi-Thresholding for Diagnostic Analysis of Microcirculation, to appear in: Circulation, Orlando, FL, USA, Nov 2009.
• S.Y. Ji, K. Ward, and K. Najarian, Brain Mapping and Detection of Functional Patterns in fMRI Using Wavelet Transform; Application in Detection of Dyslexia, BMC Medical Informatics and Decision Making Journal, 2009.
• W. Chen, R. Smith, S.Y. Ji, K. Ward, and K. Najarian, Automated Ventricular Systems Segmentation in Brain CT Images by Combining Low-level Segmentation and High level Template Matching, BMC Medical Informatics and Decision Making Journal, 2009.
• S. Vasilache, K. Ward, and K. Najarian, Unified Wavelet and Gaussian Filtering for Segmentation of CT Images; Application in Segmentation of Bone in Pelvic CT Images, BMC Medical Informatics and Decision Making Journal, 2009.
• S.Y. Ji, R. Smith, T. Huynh and K. Najarian, A Comparative Analysis of Multi-level Computer-Assisted Decision Making Systems for Traumatic Brain Injuries, BMC Medical Informatics and Decision Making, 9:2, 2009.
• S. Ansari, K. Najarian, K. Ward and M. H. Tiba, “Extraction of Respiratory Rate from Impedance Signal Measured on Arm: A Portable Respiratory Rate Measurement Device”, IEEE Conference of Bioinformatics and Biomedicine (IEEE BIBM), Nov 2009.
• W. Chen, R. Smith, S. Vasilache, K. Najarian, K. Ward, C. Cockrell, and J. Ha, “Traumatic Pelvic Injury Outcome Prediction by Extracting Features from Relevant Medical Records and X-ray Images”, To appear in: IEEE International Conference on Bioinformatics & Biomedicine (BIBM), NOV 2009.
• K. Najarian, R. Hakimzadeh, K. Ward, and S.Y. Ji, “Combining Predictive Capabilities of Transcranial Doppler with Electrocardiogram to Predict Hemorrhagic Shock”, Proceedings of 31th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (IEEE/EMBS), Minneapolis, Minnesota, USA, Sept 2009.
• S. Vasilache, W. Chen, K. Ward, and K. Najarian, “Hierarchical Object Recognition in Pelvic CT Images”, Proceedings of 31th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (IEEE/EMBS), Sept 2009.
• R. Hakimzadeh, S.Y. Ji, R. Smith, K. Ward, K. Daneshvar, and K. Najarian, “Processing of Transcranial Doppler for Assessment of Blood Volume Loss”, Proceedings of IEEE Information Reuse and Integration (IRI), pp. 6-10, Las Vegas, USA, July 2009.
• S. Y. Ji, W. Chen, K. Ward, and K. Najarian, “Wavelet Based Analysis of Physiological Signals for Prediction of Severity of Hemorrhagic Shock”, Proceedings of IEEE International Conference on Complex Medical Engineering (CME), pp.1-6, Tempe, AZ, USA, April 2009.
• A. R. Bsoul, S. Y. Ji, K. Ward, Kathy Ryan, Caroline Rickards, Victor Convertino, and K. Najarian, “Detection of P, Q, R, S, and T Components of ECG using Wavelet transformation”, Proceedings of IEEE International Conference on Complex Medical Engineering (CME), pp.1-6, Tempe, AZ, USA, April 2009.
• Wenan Chen, K. Najarian, “Segmentation of Ventricles in Brain CT Images Using Gaussian Mixture Model Method”, Proceedings of IEEE International Conference on Complex Medical Engineering (CME), April 2009.
• S. Vasilache and K. Najarian, “A Unified Method Based on Wavelet Filtering and Active Contour Models for Segmentation of Pelvic CT Images”, Proceedings of IEEE International Conference on Complex Medical Engineering (CME), pp.1-5, Tempe, Arizona, U.S.A., April 2009.
• Sumeyra Demir, Nazanin Mirshahi, M. Hakam Tiba, Gerard Draucker, Kevin Ward, Rosalyn Hobson and K. Najarian, "Image Processing and Machine Learning for Diagnostic Analysis of Microcirculation", Proceedings of IEEE International Conference on Complex Engineering (CME), Phoenix, AZ, USA, April 2009.
• S.Y. Ji, K. Ward, K. Ryan, C. Rickards, V. Convertino, and K. Najarian, Heart Rate Variability Analysis using Wavelet Transform to Predict Severity of Hemorrhagic Shock, 118:S_1465, Circulation. 2008.
• S. Vasilache and K. Najarian, “Automated bone segmentation from pelvic CT images”, presented at the IEEE Bioinformatics and Biomedicine (BIBM) International Workshop on Biomedical and Hearth Informatics (BHI), Philadelphia, U.S.A, 2008.
• W. Chen, R. Smith, S.Y. Ji, and K. Najarian, “Automated Segmentation of Lateral Ventricles in Brain CT images”, Proceedings of IEEE Bioinformatics and Biomedicine (BIBM), International Workshop on Biomedical and Hearth Informatics (BHI), Philadelphia, pp.48-55, PA, NOV 3-5, 2008.
• S. Vasilache, R. Smith, S. Y. Ji, K. Najarian and T. Huynh, “Outcome prediction in traumatic pelvic injuries using maximum similarity and quality measures”, in Proceedings of the 2008 IEEE International Conference on Information Reuse and Integration (IRI08), pp. 82-85, 2008.
• Soo-Yeon Ji, Kayvan Najarian, Rebecca Smith, and Toan Huynh, “Computer Aided Traumatic Pelvic Injury Decision Making,” Southern Association for Information Systems (SAIS), Richmond, VA., March 13-15, 2008.
• D.H. Jeong, A. Darvish, K. Najarian, J. Yang, and, W. Ribarsky, Interactive Visual Analysis of Time-series Microarray Data, The Visual Computer, 2008.
• K. Najarian et al., A Computational Approach to Systems Biology and Bioinformatics, The CRC Press, in progress, to appear in 2008.
• Z. Li and K. Najarian, "Biomedical Image Segmentation Based on Shape Stability" to appear in the 14th IEEE International Conference on Image Processing (ICIP 2007), San Antonio, TX, U.S.A., 2007.
• S.Y. Ji, T. Huynh, and K. Najarian, "A Comparative Medical Informatics Approach to Traumatic Pelvic Injuries", The IEEE International Conference on Bioinformatics and Biomedicine (BIBM 2007), Silicon Valley, Ca, U.S.A., Nov. 2-4, 2007.
• A. Darvish, K. Najarian, A. Sudjianto, and D. Kern, "Feature Extraction for Detection of Suspicious Transactions Using Signal Processing" Proceedings of The 2007 Joint Statistical Meetings (JSM), Invited paper, Salt Late City, UT, U.S.A., July-August, 2007.
• S.Y. Ji, T. Huynh, and K. Najarian, "An Intelligent Method for Computer-Aided Trauma Decision Making System" Proceedings of The 45th ACM Southeast Conference (ACMSE 2007), Winston-Salem, North Carolina, U.S.A., March 23-24, 2007.
• A. Darvish and K. Najarian, Prediction of Regulatory Pathways Using Metabolic Control and Mason Rule: Application to Identification of Galactose Regulatory Pathway, Biosystems (special issue on Systems Biology), vol. 83, Issues 2-3, pp. 125-135, February-March 2006.
• Z. Li and K. Najarian, "Similarity calculation for anti-HIV drugs based on spanning tree matching algorithm", Proc of the 23rd American Chemical Society (ACS) National Meeting, Atlanta, GA, March 26-30, 2006.
• C. Eichelberger and K. Najarian, "Simulating Protein Computing: Character Recognition" Proc. of IEEE conference on Granular Computing, Atlanta, GA, U.S.A., 2006.
• K. Najarian and R. Splinter, Biomedical Signal and Image Processing, The CRC Press, ISBN: 0849320992, 2005.
• J. Dargahi, S. Najarian, and K. Najarian, Development and 3-dimensional modeling of a biological tissue grasper tool equipped with a tactile sensor, The IEEE Canadian Journal of Electrical and Computer Engineering, vol. 30, no. 4, October 2005.
• K. Najarian, Fixed-Distribution PAC Learning Theory for Neural FIR Models, Journal of Intelligent Information Systems, vol. 25, no. 3, pp. 1573-7675 , 2005.
• K. Najarian, K. Gopalakrishnan, and R.H. Zadeh, Signal Processing for Functional Analysis of Protein Mutants, Bioinformatics Research and Applications (IJBRA), vol. 1, no. 1, pp. 102-120, 2005.
• Kayvan Najarian and Robert Splinter, "A Novel Photo-Acoustic System for Tomographic Imaging of Dental Pulp Tissue" International Conference on Holography, Optical Recording, and Processing of Information, Varna, Bulgaria, 2005.
• A. Darvish, K. Najarian, D.H. Jeong and W. Ribarsky, "System Identification and Nonlinear Factor Analysis for Discovery and Visualization of Dynamic Gene Regulatory Pathways", Proceedings of the 2005 IEEE Symposium on Computational Intelligence in Bioinformatics and Computational Biology, San Diego, U.S.A., Nov. 2005.
• K. Najarian, M. Zaheri, A.A. Rad, S. Najarian, and J. Dargahi, A Novel Mixture Model Method for Identification of Differentially Expressed Genes from DNA Microarray Data, BMC Bioinformatics, vol. 5, no. 201, 2004.
• E. Bak and K. Najarian, "Domain Conversion with Local Posteriors for Image Segmentation", Proceedings of The 2004 IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP 2004), Montreal, Quebec, Canada, May 17-21, 2004.
• E. Bak and K. Najarian, "Robust Segmentation Using Parametric and Nonparametric Local Spatial Posteriors", Proceedings of International Conference on Information Technology (ITCC 2004), Las Vegas, Nevada, USA, April 5-7, 2004.
• E. Bak, A. Darvish, M. Zaheri, and K. Najarian, "Semiparametric Detection of Differentially Expressed Genes in the Microarray Data", Proc. of The 7th Conference on Computational Genomics, Reston, VA, U.S.A., Oct 21-24, 2004.
• A. Darvish, E. Bak, and K. Najarian, "A New Hierarchical Method for Identification of Dynamic Regulatory Pathways from Time-Series DNA Microarray Data", Proceedings of The 3rd annual Computational Systems Bioinformatics conference (CSB 2004), Stanford, CA, U.S.A., August 16, 2004.
• G. Zhang, L. Mays, and K. Najarian, "Comparison of Haploview and Hap Based on Haplotype Analysis Using Genotype Data on Chromosome 19", Proceedings of The International Conference on Molecular Systems Biology, Tahoe City, CA, U.S.A., Aug 21-25, 2004.
• A. Darvish, R.H. Zadeh, and K. Najarian, "Discovering Dynamic Regulatory Pathway by Applying an Auto Regressive Model to Time Series DNA Microarray Data", Proceedings of The 26th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (IEEE/EMBS 2004), San Francisco, CA, U.S.A., Sept 1, 2004.
• A. Lal, Sr. Radhakrishnan, S.S. Srinivas, K. Najarian and L. E. Mays, "Splice Site Detection using Pruned Maximum Likelihood Model", Proceedings of The 26th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (IEEE/EMBS 2004), San Francisco, CA, U.S.A., Sept 1, 2004.
• K. Gopalakrishnan, and K. Najarian, "Computational Analysis and Classification of p53 Mutants According to Primary Structure", Proceedings of The 3rd annual Computational Systems Bioinformatics conference (CSB 2004), Stanford, CA, U.S.A., August 16, 2004.
• E. Bak, K. Najarian, and J. Brockway, "Efficient Segmentation Framework of Cell Images in Noise Environment", Proceedings of The 26th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (IEEE/EMBS 2004), San Francisco, CA, U.S.A., Sept 1, 2004.
• A. Darvish, and K. Najarian, "Prediction of Regulatory Pathways Using mRNA Expression and Protein-Protein Interaction Data: Application to Prediction of Galactose Regulatory Pathway", Proceedings of The 5th International Conference on Systems Biology, Heidelberg, Germany, Oct 2004.
• K. Najarian, A. Kedar , R. Paleru, R.H. Zadeh, and A. Darvish, "Discovering Biological Gene Clusters from DNA Microarray Data using Independent Component Analysis and Scoring Function Based on Protein Interactions", Proceedings of IEEE International Conference Intelligent Systems, Varna, Bulgaria, June 22-24, 2004.

Research Interests

• Biomedical signal and image processing, biomedical informatics, signal processing for finance and banking and artificial intelligence

Research Lab

• Biomedical Signal and Image Processing