Contact Information

Mailing Address

Chester F. Carlson Center for Imaging Science
54 Lomb Memorial Dr.
Rochester, NY, 14623

Job Responsibilities

Principal Investigator in the Biomedical and Materials Imaging Lab
Imaging Science Undregraduate Program Director

Research Interests

• Medical imaging system characterization
• Ultrasound tissue characterization
• Digital image processing and analysis
• Non-destructive evaluation techniques

Selected Publications

1. Castro, T. Ruíz-Suárez, L.G., Helguera, M., Gay, C., Ruíz-Suárez, J.C., “Experimental determination of the photolysis constant of nitrogen dioxide for Mexico City”. Pollution Control and Monitoring. Air Pollution II, Vol. 2, Computational Mechanics Publications, 277-282, 1994.
2. Castro, T., Ruíz-Suárez, L.G., Gay, C., Helguera, M., Ruíz-Suárez, J.C., “Direct measurements of NO2 Photolysis rates for Mexico City”, Atmósfera, UNAM, 137-142, 1995
3. Rao, N.A.H.K., Helguera, M., “A multibandwidth probing method for tissue scattering microstructure characterization”, 1997 IEEE International Ultrason. Symposium Proceedings, 2, pp. 1193-1196, 1997.
4. Baum, K. G., Helguera, M., Hornak, J. P., Kerekes, J. P., Montag, E. D., Unlu, M. Z., Feiglin, D. H., and Krol, A.,  “Techniques for Fusion of Multimodal Images: Application to Breast Imaging”, Proceedings IEEE International Conference on Image Processing, 2521-2524, 2006.
5. Baum, K.G., Schmidt, E., Rafferty, K., Helguera, M., Feiglin, D.H., Krol, A.,  “Preliminary Study of PET/MRI Image Fusion Schemes for Enhanced Breast Cancer Diagnosis”, 2007 IEEE Nuclear Science Symposium and Medical Imaging Conference Proceedings, 3774-3780, 2007.
6. Panandiker, R.P., Helguera, M., Varela, B., Rao, N., Phillips, D., Arney, J., “Cure Characterization of Powder-coatings Using Pulse-echo and Pitch-catch Ultrasonic Investigation Systems”, 2007 IEEE International Ultrasonics Symposium Proceedings, 42-46, 2007.
7. Baum, K.G., Helguera, M., “Execution of the SimSet Monte-Carlo PET/SPECT Simulator in the Condor Distributed System”, Journal of Digital Imaging, 20, Suppl. 1, 72-82, Nov 2007
8. Baum, K.G., Helguera, M., Krol, A., “Fusion Viewer: A New Tool for Fusion and Visualization of Multimodal Medical Data Sets”, Journal of Digital Imaging, 21, Suppl. 1, 59-68, 2008.
9. Lawson, J., Varela, B., Panandiker, R.P., Helguera, M., “Determining the Elastic Properties of Geopolymers Using Non-Destructive Ultrasonic Techniques”. In Developments in Strategic Materials, Ed. Hua-Tay Lin, Ceramic Engineering and Science Proceedings, 29(10), 143-153, 2008.
10. Baum, K., Helguera, M., Schmidt, E., Rafferty, K., Krol, A., “Evaluation of Genetic Algorithm-Generated Multivariate Color Tables for the Visualization of Multimodal Medical Fused Data Sets”, 2008 IEEE NSS-MIC, 4350-4360, 2008.
11. Helguera, M., Baum, K.G., Schmidt, E., Rafferty, K., Krol, A., “Evaluation of Novel Genetic Algorithm Generated Schemes for PET/MRI Image Fusion”, Journal of Digital Imaging, vol. 24(6), 1031-1043, 2011.
12. Baum, K.G., Menezes, G., Helguera, M., “Simulation of High-Resolution Magnetic Resonance Images on the IBM Blue Gene/L Supercomputer Using SIMRI,” International Journal of Biomedical Imaging, vol. 2011, Article ID 305968, 8 pages, 2011. doi:10.1155/2011/305968
13. Pow, J., Helguera, M., “Project-Based Pedagogy for First Year College Students in Imaging Science”, IEEE Proceedings of Integrated STEM Education conference (ISEC). 4B-1-4,  2011.
14. Hatfield, K., Vaidya, K., Helguera, M., Pichichero, M., “High Frequency Ultrasound Imaging and Characterization of Biofilms”, IEEE International Ultrasonics Symposium, 2011. In press.
15. Vaidya, K., Hatfield,K., Helguera, M., Pichichero, M., “Building Parametric Images of Biological Materials using High Frequency Ultrasound”, International Conference on Biomedical Engineering, Manipal University, India, 2011. In press.
16. YousefHussien, M., Garvin, K., Dalecki, D., Saber, E., Helguera, M., “Three-dimensional Volume Analysis of Vasculature in Engineered Tissues”, IS&T SPIE Electronic Imaging, Pending.
17. Ravines, P., Baum, K.G., Cox, N., Welch, S., Helguera, M., “Multimodality imaging of daguerreotypes and development of a registration program for image evaluation”, Submitted to Journal of the American Institute of Conservation, 2012. Currently under evaluation