Maria Helguera

Maria Helguera's picture

Research Details

Research Interests
  • Medical imaging system characterization
  • Ultrasound tissue characterization
  • Digital image processing
  • Non-destructive evaluation techniques

Personal Information

Contact Information
Room 76-2100
Phone: (585)475-7053
Fax: (585)475-4568

54 Lomb Memorial Dr.
Rochester, NY 14623
Title and Degrees
Associate Professor

BS Physics, National Autonomous University of Mexico, 1984
MS Electrical Engineering, University of Rochester, 1990
PhD Imaging Science, Rochester Institute of Technology, 1999


Helguera, Maria


    Arney, J.S.; Helguera, M.; Pelz, J.B.; Pow, J., Imaging in the Physical Sciences, Kendall/Hunt, Rochester, New York, United States (2006)


    Helguera, M., Non-Rayleigh Ultrasonic Characterization Of Tissue Scattering Microstructure Via A Multibandwidth Probing Technique, Ph.D. Dissertation, Rochester Institute of Technology, College of Science, Center for Imaging Science, Rochester, New York, United States (1998)


    Vaidya, K.; Osgood, R.; Ren, D.; Pichichero, M.; Helguera, M., ULTRASOUND IMAGING AND CHARACTERIZATION OF BIOFILMS BASED ON WAVELET DE-NOISED RADIOFREQUENCY DATA, Ultrasonic Imaging, 40, 3, pp. 583-595 (2014)

    Helguera, M.; Vaidya, K.; Pichichero, M.; Osgood, R.; Ren, D., Ultrasound Imaging and Characterization of Biofilms Based on Wavelet Denoised RF Data, Ultrasound in Medicine and Biology, 40, 2, pp. 1-31 (2014)

    Mercado, K.; Helguera, M.; Hocking, D.; Dalecki, D., Estimating Cell Concentration in Three-Dimensional Engineered Tissues Using High Frequency Quantitative Ultrasound, Biomedical Engineering Society (2014)

    Helguera, M.; Ravines, P.; Baum, K.G.; Cox, N.; Welch, S., Multimodality Imaging of Daguerreotypes and Development of a Registration Program for Image Evaluation, Journal of the American Institute for Conservation, 53, 1, pp. 1-26 (2013)

    Helguera, M.; Garvin, K.; Dalecki, D.; Hocking, D.; YousefHussien, M., Spatial Patterning of Endothelial Cells and Vascular Network Formation Using Ultrasound Standing Wave Fields, Journal of the Acoustical Society of America, 134, 2, pp. 1483-1490 (2013)

    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, 2011, doi:10.1155/2011/305968 (2011)

    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, 24, doi:10.1007/s10278-011-9382-1 (2010)

    Baum, K.G.; Helguera, M.; Krol, A., Development of a Tool for Journal of Digital Imaging, In Press. Fusion Visualization and Dynamic Range Adjustment, Journal of Digital Imaging (2008)

    Baum, K.G.; Helguera, M., Distributed Wrapper for SimSET Monte Carlo PET/SPECT Simulator, Journal of Digital Imaging, 20, 1, pp. 72-82 (2007)

    Krol, A.; Lisi, M.; Kort, K.; Feiglin, D.H.; Magri, A.; Tiwari, N.S.; Fawcett, J.; Baum, K.G.; Helguera, M., Fusion of SPECT and MRI Images for Improved Localization of Parathyroid Adenomas in Patients with Persistent or Recurrent Hyperparathyroidism, Fawcett, 48, Supplement 2 (2007)

    Helguera, M., Medical Imaging and What Lies Ahead, Advanced Imaging Magazine (2006)

    Helguera, M.; Rao, N.A., On the Role of Narrow Bandwidth Excitation and Resolution Cell Volume in the Study of Tissue Microstructure Analysis with Ultrasound, Physics in Medicine and Biology (2003)

    Rao, N.A.; Barbu-McInnis, M.; Helguera, M., Diffraction Limited 3D Cell Volume Derivation for Scattering Data Analysis, SPIE, 4687, pp. 334-344 (2002)

    Rao, N.A.; Venkatraman, S.; Helguera, M., On understanding the relationship between ultrasound speckle and scattering microstructure, Acoustical Imaging, 23, pp. 391-398 (1997)

    Helguera, M.; Castro, T., Direct measurements of NO2 Photolysis rates for Mexico City, Atmósfera (1995)

    Helguera, M.; Castro, T., Experimental determination of the photolysis constant of nitrogen dioxide for Mexico City, Pollution Control and Monitoring. Air Pollution II, 2, pp. 277-282 (1994)

    Helguera, M., Quantitative Measures of Backscatter from Human Skeletal Muscle: Changes with Duchenne's Muscular Dystrophy, Ultrasonic Imaging, 13 (1991)

    Helguera, M.; Mottley, J., Quantitative Change in Ultrasonic Backscatter from Human Skeletal Muscle with Contraction, Ultrasonic Imaging, 12, 2 (1990)


    Pow, J.; Helguera, M.; Pieri, E.; Wolters, S.; Augspurger, M.; Neuberger, B.; Scholl, V.; Bondi, E., The Use of Peer Evaluations In A Non-Traditional First Year System Design Class, ASEE, 121st National Conference, T242 FPD4: Peers and Perceptions, Indianapolis, Indiana, United States, June (2014)

    Sinha, S; Rao, N.A.; Valluru, K; Bhargava, C; Dogra, V; Helguera, M., Frequency analysis of Multispectral Photoacoustic images for differentiating malignant region from the normal region in excised human Prostate, Proc. of SPIE Medical Imaging 2014 conference, SPIE Medical Imaging, SPIE Medical Imaging; Ultrasonic Imaging and Tomography, 5 Photoacoustics, accepted for publica, San Diego, California, United States, December (2013)

    Pow, J.; Helguera, M.; Iafrati, M.; Neuberger, B.; Pieri, E., Using A Non-Traditional Pedagogy In Freshman-Level STEM Classes: Implications For Faculty, Hawaii University, Hawaii University International Conference on Education, Math, and Engineering Technology, Honolulu, Hawaii, June (2013)

    Pow, J.; Helguera, M., A Project-Based Pedagogy for First Year College Students in Imaging Science, IEEE, 1st Integrated STEM Education Conference (ISEC), 4B, Ewing, New Jersey, United States, pp. 4B-1-4B-3, April (2011)

    Vaidya, K.; Hatfield, K.; Helguera, M.; Pichichero, M., High Frequency Ultrasound Imaging and Characterization of Biofilms, IEEE International Ultrasonic Symposium, Ultrasonics, Orlando, Florida, United States (2011)

    Baum, K.G.; Helguera, M.; Hornak, J.P.; Kerekes, J.P.; Montag, E.D.; Unlu, M.Z.; Feiglin, D.H.; Krol, A., Techniques for Fusion of Multimodal Images: Application to Breast Imaging, Proceedings of the 2006 IEEE International Conference on Image Processing, IEEE, Atlanta, Georgia, United States (2006)


    Helguera, M.; Rao, N.A.; Sinha, S; Dogra, V; Valluru, K; Chinni, B, Frequency Analysis of Multispectral Photoacoustic Images for Differenriating Malignant Region from the Normal Region in Excised Human Prostate, SPIE, Medical Imaging, 2014, San Diego, California, United States (2014)

    Helguera, M.; YousefHussien, M., Three-dimensional Volume Analysis of Vasculature in Engineered Tissues, Proceedings of SPIE, SPIE Electronic Imaging, SPIE EI/DRR, 8654, San Diego, California, United States, pp. 86540C1-C11 (2013)

    Helguera, M.; Pow, J., A Project-Based Pedagogy for Technical Education Among First-Year College Students, Proceedings of the INTED2011 Conference, International Association of Technology, Education and Development, International Technology, Education and Development Conference, Experiences in Engineering Education, Valencia, Valenciana, Spain, March (2011)

    Pow, J.; Callens, R.; Helguera, M., The Effectiveness Of Research Internships For Recruiting High School Students Into Specialized Technical Degree Programs, Proceedings of the INTED2010 Conference, International Association of Technology, Education and Development, International Technology, Education and Development Conference, Valencia, Valenciana, Spain, March (2010)

    Pow, J.; Callens, R.; Helguera, M., A Research Approach To Recruit College Applicants In Specialized Science To Benefit Global Technology And Innovation, Proceedings of ICERI2009 Conference, The International Association for Technology, Education and Development , International Conference of Education, Research, and Innovation, Student Involvement and Engagement, Madrid, Madrid, Spain, November (2009)

    Baum, K.G.; Helguera, M.; Krol, A., A New Application for Displaying and Fusing Multimodal Data Sets, Proceedings of SPIE, Multimodal Biomedical Imaging II, 6431 (2007)

    Baum, K.G.; Schmidt, E.; Rafferty, K.; Helguera, M.; Feiglin, D.H.; Krol, A., Investigation of PET/MRI Image Fusion Schemes for Enhanced Breast Cancer Diagnosis, Proceedings of the IEEE, IEEE, Nuclear Science Symposium Conference Record, 5, Honolulu, Hawaii, United States, pp. 3774-3780 (2007)

    Panandiker, R.P.; Helguera, M.; Varela, B.; Rao, N.A.; Phillips, D.B.; Arney, J.S., Ultrasonic Characterization of the Curing of Powder Coating Films Based on their tan(d), Proceedings of the IEEE, IEEE, Ultrasonics Symposium, New York, New York, United States, pp. 42-46 (2007)

    Helguera, M.; Arney, J.S.; Zollo, D, Non-Contact Ultrasound Characterization of Paper Substrates, Proceedings of the 9th. European NDT conference, European NDT, 9th annual European NDT conference, Berlin, Berlin, Germany (2006)

    Krol, A.; Baum, K.G.; Helguera, M., Genetic Algorithm Automated Generation of Multivariate Color Tables for Visualization of Multimodal Medical Data Sets, Proceedings IS&T/SID, Fourteenth Color Imaging Conference, pp. 138-143 (2006)

    Panandiker, R.P.; Rao, N.A.; Helguera, M., Post Curing Characterization of Powder Coated Plates Using Non-Contact and High Frequency Immersion Ultrasound, Proceedings 3 rd. U.S.-Japan Symposium on Advancing Applications and Capabilities in NDE (2005)

    Rao, N.A.; Helguera, M., Tissue Microstructure Analysis with Multiple Bandwidth Ultrasound Excitation Signals, Indian Institute of Technology, Indian Institute of Technology Conference, Chennai, Tamil Nadu, India, pp. 284-293 (2000)

    Rao, N.A.; Helguera, M., A Multibandwidth Probing Method for Tissue Scattering Microstructure Characterization, Proceedings of the IEEE, IEEE, IEEE International Ultrasound Symposium, 2, Toronto, Ontario, Canada, pp. 1193-1196 (1997)


    Rafferty, K.; Baum, K.G.; Schmidt, E.; Krol, A.; Helguera, M., Multimodal Display Techniques with Application to Breast Imaging, Rochester Institute of Technology, College of Science, Center for Imaging Science, Biomedical and Materials Multimodal Imaging Laboratory, Rochester, New York, United States (2007)


    Helguera, M., A Look Inside: The Latest Developments in Medical Imaging, Chester F. Carlson Center for Imaging Science Seminar Series (2009)


    Helguera, M.; Ontiveros, F.; Saffren, B.; Saxum, J., Ultrasound-enhanced Transdermal Delivery of Nanoparticles, Annual meeting, Poster session, Poster session, Rochester, New York, United States (2013)

    Helguera, M., Parametric Imaging of 3D Engineered Tissue Constructs Using High Frequency Ultrasound, Acoustical Society of America, 164th Meeting of the Acoustical Society of America , Kansas City, Kansas, United States (2012)

    Helguera, M., Ultrasound Characterization of Biofilms Using Wavelet Denoised RF Data, ISBI , 2012, Image Acquisition and Reconstruction, Barcelona, Cataluña, Spain (2012)

    Hatfield, K.; Vaidya, K.; Helguera, M.; Pichichero, M., High Frequency Ultrasound Characterization of Biofilms, Rochester Institute of Technology, Senior Research Project, Rochester, New York, United States, March (2011)