Navalgund Rao

Navalgund Rao's picture

Research Details

Research Interests
  • Photoacoustic and Ultrasound Image/signal processing
  • Medical imaging

Personal Information

Contact Information
Room 76-2136
Phone: (585)475-7183
Fax: (585)475-5988
Email: rao@cis.rit.edu

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

BSc, Physics, Math, Chemistry, Banaras Hindu University, 1970
MSc, Physics, Banaras Hindu University, 1972
PhD, Physics, University of Minnesota, 1979

Scholarships/Awards

  • RIT - RIT celebration of research innovation and Entrepreneurship award (2013)
  • RIT - Commercialization Award (2013)

Publications

Rao, Navalgund

REFEREED JOURNAL ARTICLES

    Dogra, V; Bhargava, C; Valluru, K; Joseph, J; Ghazi, A; Yao, J.L.; Evans, K.; Messing, E.; Rao, N.A., Multispectral Photoacoustic Imaging of Prostate Cancer: Preliminary Ex-vivo Results, J Clinical Imaging Science, 3, 41 (2013)

    Dogra, V; Bhargava, C; Valluru, K; Moalem, J; Giampoli, E; Evans, K.; Rao, N.A., Preliminary Results of Ex-vivo Multispectral Photoacoustic Imaging for the Management of Thyroid Cancer, American Journal of Roentgenology, accepted for publica (2013)

    Valluru, K; Chinni, B; Rao, N.A.; Bhatt, S; Dogra, V, Basics and Clinical Application of Photoacoustic Imaging, ,(review article), Advances in Ultrasound, 4, 3, pp. 403-429 (2009)

    Daly, C.J.; Nuteson, T.W.; Rao, N.A., The Spatially Averaged Electric Field in the Near Field and far Field of a Circular Aperture, IEEE Transactions on Antennas and Propagation, 51, 4 (2003)

    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)

    Daly, C.J.; Rao, N.A., Spatially Averaged Intensity in the beam of a Piston Transducer, Ultrasound in Medicine and Biology, 27, 5, pp. 643-653 (2001)

    Daly, C.J.; Rao, N.A., The arcos and Lommel Diffraction Formulations: An Approximate Fourier Transform Pairs Leading to closed Form…, Journal of the Acoustical Society of America, 106, pp. 3067-3077 (1999)

    Daly, C.J.; Rao, N.A., Spatially Averaged Impulse Response for an Unfocused Piston Transducer: A General Derivation and …, Journal of the Acoustical Society of America, 105, pp. 1563-1566 (1999)

    Daly, C.J.; Rao, N.A., Time and Frequency –domain Description of Spatially averaged one-way Diffraction for Unfocused Transducer, Ultrasonics, 37, pp. 209-221 (1999)

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

    Venkatraman, S.; Rao, N.A., Combining pulse compression and adaptive drive signal design to inverse filter the transducer system response and improve resolution in medical ultrasound, Medical and Biological Engineering and Computing, 34, pp. 318-320 (1996)

    Rao, N.A.; Yang, D.; Raman, R; Chandaroy, P; Venkatraman, S., Pulse coding in medical ultrasound: Some possible applications, Acoustical Imaging, 21, pp. 281-290 (1995)

    Rao, N.A.; Mehra, S., Experimental point spread function of FM pulse imaging scheme, Ultrasonic Imaging, 17, pp. 114-141 (1995)

    Rao, N.A., Investigation of a pulse compression technique for medical ultrasound: A simulation study, Medical and Biological Engineering and Computing, 32, pp. 181-188 (1994)

    Rao, N.A.; Hui, Z., Simulation study of changes in ultrasound speckle statistics with the system point spread function, Journal of the Acoustical Society of America, 95, pp. 1161-1164 (1994)

    Rao, N.A.; Aubry, M., Evaluation of a pulse coding technique for speckle reduction and structure characterization, IEEE Transactions on Ultraasonic, Ferroelectrics, and Frequency Control, 41, pp. 660-663 (1994)

    Rao, N.A.; Aubry, M., Evaluation of a pulse compression technique for ultrasound speckle reduction, Electronic Letters, 29, pp. 1900-1901 (1994)

    Rao, N.A.; Mehra, S., Medical ultrasound imaging using pulse compression, Electronics Letters, 19, pp. 649-651 (1993)

    Rao, N.A.; Garland, J.C.; Tanner, D.B., Thermodynamic Transition of Small Superconducting Particles, Physical Review B, 29, 3 (1983)

    Rao, N.A.; Goldman, A.M., Fluctuation Heat Capacity of Amorphous Nb3Ge Films, Journal of Low Temperature Physics, 42, pp. 253-276 (1981)

    Rao, N.A.; Dahlberg, E.; Goldman, A.M., Thermodynamic and Resistive Transitions of Thin Superconducting Films, Physical Review Letters, 44, 2 (1980)


REFEREED CONFERENCE PROCEEDINGS

    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)

    Sinha, S; Rao, N.A., Development of a novel acoustic lens based pulse echo ultrasound imaging system, Proc IEEE Medical Imaging Conf, to be published, San Diego, California, United States, December (2013)

    Katuwal, G; Kerekes, J.P.; Ramchandran, R.; Sisson, C.; Rao, N.A., Automatic Fundus Image Detection and Quality Assessment, IEEE Western New York Image Processing Workshop, to be published, Rochester, New York, United States, November (2013)

    Valluru, K; Chinni, B; Rao, N.A.; Bhatt, S; Akata, D; Dogra, V, Probe Design for Photoacoustic Imaging of Prostate, IST 2010, IEEE International Conference on Imaging Systems and Techniques, Thessaloniki, Greece, pp. 121-124, July (2010)

    Lai, D.; Rao, N.A.; Chung-hui, K.; Bhatt, S; Dogra, V, An Ultrasound Image Despeckling Method Using Independent Component Analysis, 6th IEEE International Symposium on Biomedical Imaging: From Nano to Macro., Leon, France, pp. 658-661, August (2009)

    Rao, N.A.; Lai, D.; Bhatt, S; Chinni, B; Dogra, V, Acoustic Lens Characterization for Ultrasound and Photoacoustic C-scan Imaging Modalities, Proceedings ofEMBS 2008. 30th Annual International Conference of the IEEE, IEEE Engineering in Medicine and Biology Society, Vancouver, British Columbia, Canada, pp. 2177-2180, August (2008)


CONFERENCE PROCEEDINGS

    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)

    Sinha, S; Rao, N.A.; Bhargava, C; Moalem, J; Giampoli, E; Dogra, V, Differentiation between malignant and normal human thyroid tissue using frequency analysis of multispectral photoacoustic images., Western New York Image Processing Workshop, IEEE, 2013 Western New York Image Processing Workshop, accepted for publica, Rochester, New York, United States, October (2013)

    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)

    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.; Lai, D., Frequency Dependent Effective Cell Volume Estimation for Circular Disk Transducers Using Lommel Diffraction Formulation, Proceedings of the SPIE, SPIE Medical Imaging, Medical Imaging 2001: Ultrasonic Imaging and Signal Processing, Ultrasonic Imaging and Signal Processing--Poster Session, 4325, San Diego, California, United States, pp. 380-391, February (2001)

    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)

    Daly, C.J.; Rao, N.A., The Arcos and Lommel diffraction formulations: An approximate Fourier transform pair leading to closed form, spatially-integrated diffraction corrections, International Symposium on Ultrasonic Imaging & Tissue Cahrarcterization, 23rd International Symposium on Ultrasonic Imaging and Tissue Characterization, Rochester, New York, United States, May (1998)

    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)

    Rao, N.A.; Venkatraman, S.; Zhang, Y, Ultrasound speckle feature extraction for scattering structure characterization, Proc. of IEEE Engg. Med. Biol. Soc. 17th International Conf., Montreal, Quebec, Canada (1995)

    Venkatraman, S.; Rao, N.A., Adaptive inverse filtering with chirp for medical ultrasound, Proc. of IEEE Engg. Med. Biol. Soc. 17th International Conf., Montreal, Quebec, Canada (1995)

    Raman, N; Rao, N.A., Pre-enhancement of chirp signal for inverse filtering in medical ultrasound, Proc. 16th Annual International Conference of IEEE Engg. Med. Biol. (1994)

    Rao, N.A.; Aubry, M., Speckle reduction and structure characterization with FM coded waveforms, Proceedings of IEEE 1993 Ultrasonic Symposium, Baltimore, October (1993)

    Rao, N.A.; Aubry, M., Multispectral ultrasound imaging and analysis of speckle generating medium, Proceedings of 19th Annual NE Bioengg. Conf., pp. 47-49 (1993)

    Rao, N.A.; Aubry, M., Evaluation of pulse compression technique for ultrasound speckle reduction, Proceedings of the IEEE, IEEE, Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 14, 5, Paris, Centre, France, pp. 2126-2128, October (1992)

    Rao, N.A.; Mehra, S., Experimental point spread function of FM pulse imaging scheme, Proc. 1991 IEEE Ultrasonic Symposium, 2, pp. 1249-1254 (1991)

    Rao, N.A.; Zhu, H, Modeling ultrasound speckle formation and its dependence on imaging systems impulse response, Presented at the 1991 World Congress on Medical Physics and Biomedical Engineering, Japan (1991)

    Rao, N.A.; Mehra, S., Ultrasonic imaging with frequency modulated pulse, Presented at the 1991 World Congress on Medical Physics and Biomedical Engineering, Japan (1991)

    Rao, N.A.; Mehra, S., Impulse response of an ultrasonic imaging scheme that uses frequency modulated pulses, 1991 IEEE Region 10 International Conference Proceedings, India, pp. 56-62 (1991)

    Rao, N.A.; Mehra, S., Impulse response of an ultrasonic imaging scheme that uses frequency modulated pulses, IS&T 44th Annual Conference Proceedings, pp. 391-394 (1991)

    Rao, N.A.; Zhu, H, Modeling Ultrasound Speckle Formation and its Dependence on Imaging System’s Impulse Response, Proc. of SPIE Medical Imaging V: Image Physics, 1443, pp. 81-95 (1991)

    Rao, N.A., Bubble Density Estimation in Flow Studies, Utilizing Ultrasound Contrast Agents, Presented at the 32nd annual meeting of American Association of Physicists in Medicine, July (1990)

    Rao, N.A., Frequency Modulated Pulse for Ultrasonic Imaging in an Attenuating Medium, Proc. Of Third Annual IEE Symposium on Computer-based Medical Systems, pp. 89-96 (1990)

    Rao, N.A.; Mehra, S.; Zhu, H, Ultrasound Speckle Statistics Variations with Imaging System’s Impulse Response., IEEE Ultrasonic Symposium, 3, pp. 1435-1440 (1990)

    Rao, N.A.; Zhu, H, Stochastic Signal Processing for Tissue Characterization with Ultrasound: A Simulation Study, Proc. of 16th Annual Bioengg. Conf., pp. 39-40 (1990)

    Rao, N.A.; Zhu, H, Scatterer Number Density Estimation using Frequency Modulated Pulse, IEEE Ultrasonic Symposium, 2, pp. 911-916 (1989)

    Rao, N.A., Variations in T1 and T2 due to MRI Contrast Agents, 12th IEEE Engg. In Med. & Biol. Conf. Proc., 11, pp. 584-586 (1989)

    Ritenour, E.; Alamoudi, O.A.; Rao, N.A.; Manco-Johnson, M.L., Measurement of Dwell Time and calculation of Absorbed Energy for Specific Fetal Organs during Normal Obstetrical Ultrasound Exams, Presented at the American Inst. Of Ultrasound in Med. Annual convention, July (1988)

    Rao, N.A.; Ritenour, E.; Hendrick, R.E., Frequency Modulated Pulse for Ultrasonic Imaging, Proc. of SPIE Medical Imaging II, 914, pp. 67-74 (1988)

    Rao, N.A.; Hendrick, R.E.; Stark, D.D., Variations in T1 and T2 due to MRI contrast Agents: Effect on Image Contrast, Presented at the Annual Conf. of the Soc. of Magnetic Resonance Imaging (1988)


PATENTS

    Dogra, V; Rao, N.A., Low Cost Device for C-scan Photoacoustic Imaging - Final allowance to this patent has been granted, US patent 20100016717 (2012)


POSTERS

    Chinni, B; Valluru, K; Sinha, S; Rao, N.A.; Dogra, V, Photoacoustic imaging of ex vivo prostate: Preliminary results, Center for Emerging and Innovative Sciences (CEIS), CEIS University Technology Showcase 2012, Rochester, New York, United States, April (2012)

    Valluru, K; Chinni, B; Rao, N.A.; Bhatt, S; Dogra, V, Acoustic Lens Characterization for Ultrasound and Photoacoustic C-Scan Imaging Modalitie, Upstate New York Biomedical Engineering Career Conference , UNYBECC 2010, Rochester, NY, USA (2010)