Navalgund Rao Research Interests Image and signal processing
This email address is being protected from spam bots, you need Javascript enabled to view it
Last Updated ( Thursday, 16 March 2006 )
Publications Panandiker, R. P.; Helguera, M.; Varela, B.; Rao, N. A. H. K.; Phillips, D.; Arney, J. Ultrasonic Characterization of the Curing of Powder Coating Films Based on their tan(d) Ultrasonics Symposium, Proceedings of IEEE, pp. 42-46 (2007) Rao, N Visualization of Fuel Cell Water Transport & Performance Characterization Funding Source: DOE
Duration: 3 years (2006) Zambrano,E.; Kotlarchyk, M; A. Langner; A. Faraone Isomeric and Concentration Effects of C4-Cosurfactants on Four-Component Microemulsions Investigated by Neutron Spin-Echo and Small-Angle Scattering J. Phys.: Condens. Matter 18, S2451 (2006) Rao, N Simplified 2 Dimensional Lens-Based Biomedical Ultrasound Imaging CEIS-CDP
White paper;
Collaborative
Work with SMA Opticals
Duration: 1 year (2006) Rao, N High Frequency Prostate Tissue Characterization Project U of R Medical School (internal funding)
Duration: 1 year (2006) Narasimba, R.; Rao, R.M.; Dianat, S.A. Finding input data rates of statistically multiplexed traffic Proceedings of the 40th Conference on Information Sciences and Systems, Princeton, New Jersey, March (2006) Narasimba, R.; Lee, S.; Rao, R.M. Multidimensional discrete-space self-similarity Proceedings of the 40th Conference on Information Sciences and Systems, Princeton, New Jersey, March (2006) Varshney, P.; Arora, M.; Rao, R.M. Signal processing for hyperspectral data Proceedings of the IEEE International Conference on Acoustics, Speech and Signal Processing, Toulouse, France, pp. 1181-1184, May (2006) Rao, R.M.; Lee, S. A Video Processing Approach for Distance Estimation Proceedings of the IEEE International Conference on Acoustics, Speech and Signal Processing, Toulouse, France, pp. 1192-1195, May (2006) Rao, R.M. Tomographic Reconstruction from Ring Arrays: A Correlative Interferometric Approach IEEE Workshop on Sensor Array and Multichannel Signal Processing, Waltham, MA, pp. 205-208, July (2006) Narasimba, R.; Rao, R.M.; Dianat, S.A. Estimation of Parameters of Input Traffic Streams From Statistically Multiplexed Output, Proceedings of EUSIPCO – 14th European Signal Processing Conference, Florence, Italy, September (2006) Mikulis, B.; Rao, R.M. Object labeling for 3-d cross-sectional data using trajectory tracking Proceedings of the IEEE Conference on Image Processing, Atlanta, GA, October (2006) Rao, R.M. Application of Particle Swarm Techniques in Sensor Network Configuration Proceedings of the SPIE – Unattended Ground Sensor Technologies and Applications VII, Edward M. Carapezza (Ed), pp. 363-373, May (2005) Dianat, S.A.; Rao, R.M. Subspace-based approach to carrier phase estimation Proceedings of SPIE -- Volume 5819, Digital Wireless Communications VII and Space Communication Technologies, Raghuveer M. Rao, Sohail A. Dianat, Michael D. Zoltowski, Rabindra Singh, Susan P. Miller, Editors, pp. 125-135, June (2005) Tumasaroj, V.; Rao, R.M. Wavelet enhancement of millimeter wave through-the-wall surveillance images IEEE International Symposium on Antennas and Propagation and USNC/URSI National Radio Science Meeting, Washington DC, July (2005) Rao, R.M.; Lee, S. Algorithms for scene restoration and visibility estimation from aerosol scatter impaired images Proceedings of the IEEE International Conference Imaging, Genoa, Italy, pp. 929-932, September (2005) Dewangan, D.; Samar, V.; Rao, R.M.; Paul, P. Factors influencing psycophysically valid taxonomies of image texture Proceedings of the IEEE International Conference on Image Processing, Genoa, Italy, pp. 1196-1199, September (2005) Jaganathan, V.; Rao, R.M.; Burry, A.; Paul, P. Parameterized Printer Model for Rendered Gray Level Images Proceedings of the International Conference on Digital Printing Technologies, Baltimore MD, September (2005) Rao, R.M.; Himed, B. Constrained Optimal Interferometric Imaging of Extended Objects Proceedings of the Applied Imagery and Pattern Recognition Workshop, Washington DC, October (2005) Rao, R.M.; Himed, B. “Correlative Interferometric Imaging of Extended Objects for Near Field Arrays Proc. First IEEE International Workshop on Computational Advances in Multi-Sensor Adaptive Processing, Puerto Vallarta, Mexico, pp. 32-35, December (2005) Tillet, M.; Rao, T.M.; Sahim, F.; Rao, R.M. Darwinian particle swarm optimization Proceedings of International Conference on Artificial Intelligence, Pune, India, pp. 174-1487, December (2005) Panandiker, R. P.; Rao, N. A. H. K.; 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) Tillet, J.C.; Raghuveer, Rao,; Sahin, F.; Rao, T.M. A distributed evolutionary algorithmic approach to the coverage problem for submersible sensors Proceedings of SPIE – Volume 5417: Unattended/Unmanned Ground, Ocean, and Air Sensor Technologies and Applications VI, Edward M. Carapezza, Editor, pp. 99-108, September (2004) Tillet, M.; Rao, R.M.; Sahim, F.; Rao, T.M. A distributed evolutionary algorithmic approach to the least-cost connected constrained sub-graph and power control problem Proceedings of SPIE – Volume 5440: Digital Wireless Communications VI, Raghuveer M. Rao, Sohail A. Dianat, Michael D. Zoltowski, Editors, pp. 145-156, August (2004) Lee, S.; Rao. R.M. Discrete-space models for self-similar random images Proceedings of the IEEE International Conference on Acoustics, Speech and Signal Processing, vol.3, pp. 17-21, May (2004) Tillet, J.C.; Yang,S.J.;Rao, R.M.; Sahin, F. Optimal topologies for wireless sensor networks Proceedings of SPIE -- Volume 5611: Unmanned/Unattended Sensors and Sensor Networks, Edward M. Carapezza, Editor, pp. 192-203, November (2004) Lee, S.; Rao. R.M. Scale-based formulations of statistical self-similarity in images Proceedings of the IEEE International Conference on Image Processing, Singapore, pp. 2323-2326, October (2004) Wilkinson. L.W.; Bopardikar, A.S.; Rao, R.M. Design of two-channel perfect reconstruction filter bank with specified LPF magnitude frequency response Proceedings of the IEEE International Conference on Signal Processing and Communications, Bangalore, India, pp. 106 – 110, December (2004) Daly, C. J.; Nuteson, T. D.; Rao, N “The Spatially Averaged Electric Field in the Near Field and far Field of a Circular Aperture” IEEE Trans. Antennas and Propagation, Vol.51, No.4, to be published in April 2003. (2003) Helguera, M; Rao, N.A.H.K On the Role of Narrow Bandwidth Excitation and Resolution Cell Volume in the Study of Tissue Microstructure Analysis with Ultrasound Submitted to Physics in Medicine and Biology (2003). (2003) Tennant, B.; Rao, R.M. Solution to the Orthogonal M-Channel Bandlimited Wavelet Construction Proposition Proceedings of the IEEE International Conference on Acoustics, Speech and Signal Processing, Vol. 6, pp. 389 – 392, April (2003) Narasimba, R.; Savakis, A.; Rao, R.M.; de Queiroz, R. Key Frame Extraction Using MPEG-7 Motion Descriptors IEEE Asilomar Conference on Signals, Systems and Computers, November (2003) Rao, R.M.; Lee, S.; Bayraktar,E.; Poor, H.V. Signal processing models for discrete-time self-similar and multifractal processes Proceedings of the Asilomar Conference on Signals, Systems and Computers, November (2003) Tillet, M.; Rao, T.M.; Sahim, F.; Rao, R. “Robust Recruitment Near the Edge of Chaos and an Application to Mine Sweeping Proceedings of SMC 2003, the IEEE International Conference on Systems, Man, and Cybernetics, Washington D.C., (2003) Rao, T.M.; Rao, R.; Sahin, F.; Tillet, J.C. Evolutionary Algorithms for the Edge Bi-connectivity Augmentation Problem Proceedings of SMC 2003, IEEE International Conference on Systems, Man, and Cybernetics, Washington DC (2003) Rao, N Ultrasound Imaging, in Encyclopedia of Imaging Science & Technology Ed J. Hornak pp.1412-1435, John Wiley & Sons (2002) Rao, N; Barbu-McInnis, M; Helguera, M Diffraction Limited 3D Cell Volume Derivation for Scattering Data Analysis Medical Imaging 2002: Ultrasonic Imaging and Signal Processing, SPIE, Vol. 4687, pp. 334-344 (2002) (2002) Lee,, S.; Rao. R.M. Kernel based LSI system model for synthesizing self-similar network traffic traces Proceedings of the SPIE Conference on Digital Wireless Communications, Orlando, FL. April (2002) Narasimba,R.; Rao, R.M. Modeling VBR video traffic using linear scale invariant systems Proceedings of the SPIE Conference on Wavelet Applications, Orlando, FL. April (2002) Narasimba, R.; Lee, S.; Rao, R.M. Discrete-time scale invariant systems: relation to long-range dependence and fARIMA models Proceedings of the IEEE International Conference on Acoustics, Speech and Signal Processing, May (2002) Lee, S.; Rao. R.M. Construction of discrete-time linear scale-invariant systems using kernels Proceedings of the IEEE International Conference on Acoustics, Speech and Signal Processing, May (2002) Narasimba,R.; Rao, R.M. Application of Discrete-Time Scale Invariant Systems in Video Traffic Modeling Proceedings of SPIE Vol. #4861, Multimedia Systems and Applications V, August (2002) Lee, S.; Rao. R.M.; Slamani, Mohamed-Adel “Noise Reduction and Object Enhancement in Passive Millimeter Wave Concealed Weapon Detection IEEE International Conference on Image Processing, pp. I.509-I.512, September (2002) Narasimba,R.; Rao, R.M. Self-similar models for wireline and wireless VBR traffic IEEE International Conference on Personal Wireless Communication, December (2002) Tillet, M.; Rao, R.M.; Sahim, F.; Rao, T.M. Clusterhead identification in ad hoc sensor networks using particle swarm optimization IEEE International Conference on Personal Wireless Communication, December (2002) Rao, N; Di Lai Frequency Dependent Effective Cell Volume Estimation for Circular Disk Transducers Using Lommel Diffraction Formulation Medical Imaging 2001: Ultrasonic Imaging and Signal Processing SPIE, Vol. 4325, pp. 380-391. (2001). (2001) Daly, C. J; Rao, N Spatially Averaged Intensity in the beam of a Piston Transducer Ultrasound in Medicine and Biology, Vol.27, No.5, pp. 643-653. (2001). (2001) Daly, C. J; Rao, N Scalar Diffraction from a Circular Aperture Kluwer Academic Publishers, Boston (2000) (2000) Rao, N; Helguera, M Tissue Microstructure Analysis with Multiple Bandwidth Ultrasound Excitation Signals IIT-Madras Conf. Proc., Ed. M. Singh, pp.284-293 (2000) (2000) Daly, C.J; Rao, N The arcos and Lommel Diffraction Formulations: An Approximate Fourier Transform Pairs Leading to closed Form… J. Acous. Soc. Am., 106,pp.3067-3077(1999) (1999) Daly, C.J; Rao, N Spatially Averaged Impulse Response for an Unfocused Piston Transducer: A General Derivation and … J. Acous. Soc. Am., 105,pp.1563-1566(1999) (1999) Daly, C. J; Rao, N Time and Frequency –domain Description of Spatially averaged one-way Diffraction for Unfocused Transducer Ultrasonics, 37, pp. 209-221 (1999) (1999) Daly, C.; Rao, N.A.H.K The Arcos and Lommel diffraction formulations: An approximate Fourier transform pair leading to closed form, spatially-integrated diffraction corrections 23rd International Symposium on Ultrasonic Imaging and Tissue Characterization, May 1998. (1998) Bopardikar, A.; Rao, M.R.; Adiga, B.S. Optimal wavelets for subsampled systems SPIE: Wavelet Applications, Orlando, FL, April (1998) Zhao, W.; Rao, R.M. Discrete-time self-similar signals and linear scale-invariant systems SPIE: Wavelet Applications, Orlando, FL, April (1998) Bundonis, S.; Rao, R.M.; Szu, H. Design of real regular triadic biorthogonal wavelets with compact support SPIE: Wavelet Applications, Orlando, FL, April (1998) Zhao, W.; Rao, R.M. Continuous-dilation discrete-time self-similar signals and linear scale-invariant systems Proceedings of the 1998 IEEE International Conference on Acoustics, Speech and Signal Processing, pp. 1549-52, Seattle, WA, May (1998) Bopardikar, A.; Rao, M.R. Multidimensional PRCC filter banks and matched sampling systems Proc. IEEE-SP International Symposium on Time-Frequency and Time-Scale Analysis, pp. 529-32, Pittsburgh, PA October (1998) Rao, N;Venkatraman, S; Helguera, M On understanding the relationship between ultrasound speckle and scattering microstructure Acoustical Imaging, Vol. 23, pp.391-398 (1997) (1997) Rao, N; Helguera, M A Multibandwidth Probing Method for Tissue Scattering Microstructure Characterization IEEE International Ultrason. Symp. Proc., 2, pp.1193-1196(1997) (1997) Bopardikar, A.; Rao, M.R.; Adiga, B.S. PRCC filter banks: theory, implementation and application Proc. SPIE: Wavelet Applications in Signal and Image Processing V, Vol. 3169, San Diego, CA, July (1997) Rao, R.M. Biorthogonal generalization of Meyer wavelets Proc. Thirty First Asilomar Conference on Signals, Systems and Computers, Pacific Grove, CA, November (1997) Bopardikar, A.; Rao, M.R.; Adiga, B.S. Sampling Systems Matched to Input Processes and their Implementations using PRCC Filter Banks Proc. Thirty First Asilomar Conference on Signals, Systems and Computers, Pacific Grove, CA, November (1997) Venkatraman, S; Rao, N Combining pulse compression and adaptive drive signal design to inverse filter the transducer system response and improve resolution in medical ultrasound Med. Biol. Engg. & Comp., Vol. 34, pp. 318-320 (1996) (1996) Rao, N; Yang, Dong-Li; Raman, R; Chandaroy. P; Venkatraman, S Pulse coding in medical ultrasound: Some possible applications Acoustical Imaging, Vol. 21, pp. 281-290 (1995) (1995) Rao, N; Mehra, S Experimental point spread function of FM pulse imaging scheme Ultrason. Imag. Vol. 17, pp. 114-141 (1995) (1995) Rao, N; Venkatraman, S; Zhang, Y Ultrasound speckle feature extraction for scattering structure characterization Proc. of IEEE Engg. Med. Biol. Soc. 17th International Conf., Montreal (1995) (1995) Venkatraman, S; Rao, N Adaptive inverse filtering with chirp for medical ultrasound Proc. of IEEE Engg. Med. Biol. Soc. 17th International Conf., Montreal (1995) (1995) Rao, N Investigation of a pulse compression technique for medical ultrasound: A simulation study J. Med. & Biol. Engg. & Comp., Vol. 32, pp. 181-188 (1994) (1994) Rao, N; Hui, Z Simulation study of changes in ultrasound speckle statistics with the system point spread function J. Acoust. Soc. Am., Vol. 95, pp. 1161-1164 (1994) (1994) Rao, N; Aubry, M Evaluation of a pulse coding technique for speckle reduction and structure characterization IEEE Trans. on Ultrason. Ferro. and Freq. Control, Vol. 41, pp. 660-663 (1994). (1994) Rao, N; Aubry, M Evaluation of a pulse compression technique for ultrasound speckle reduction Electronic Letters, Vol. 29, pp. 1900-1901 (1994) (1994) Raman, N.; Rao, N Pre-enhancement of chirp signal for inverse filtering in medical ultrasound Proc. 16th Annual International Conference of IEEE Engg. Med. Biol. (1994) (1994) Anderson, P. G.; Gaborski, R. S.; Rao, A The polynomial classification system Proceedings of the 47th Annular Conference of the Society for Imaging Science and Technology, May, 1994, pp. 508-
510. (1994) Rao, N; Mehra, S Medical ultrasound imaging using pulse compression Electronics Letters, Vol. 19, 649-651 (1993) (1993) Rao, N; Aubry, M Speckle reduction and structure characterization with FM coded waveforms Proceedings of IEEE 1993 Ultrasonic Symposium, Baltimore, Oct. 1993 (1993) Rao, N; Aubry, M Multispectral ultrasound imaging and analysis of speckle generating medium Proceedings of 19th Annual NE Bioengg. Conf., pp.47-49 (1993) (1993) Anderson, P. G.; Gaborski, R. S.; Rao, A.; Jaiswal, K. S. A hardware polynomial feature net for hand-printed digit recognition Proceedings of the Third IEE International Conference on Artificial Neural
Networks, 1993, pp. 36-40. (1993) Rao, N; Aubry, M Evaluation of pulse compression technique for ultrasound speckle reduction Proc. of 14th International Conf. of IEEE Engg. Med. & Biol. Soc., Paris, Vol. 5, pp. 2126-2128 (1992) (1992) Rao, N; Mehra, S Experimental point spread function of FM pulse imaging scheme Proc. 1991 IEEE Ultrasonic Symposium, Vol. 2, pp. 1249-1254 (1991). (1991) Rao, N; 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) (1991) Rao, N; Mehra, S Ultrasonic imaging with frequency modulated pulse presented at the 1991 World Congress on Medical Physics and Biomedical Engineering, Japan (1991). (1991) Rao, N; Mehra, S Impulse response of an ultrasonic imaging scheme that uses frequency modulated pulses 1991 IEEE Region 10 International Conference Proceedings, pp. 56-62, held in India (1991). (1991) Rao, N; Mehra, S Impulse response of an ultrasonic imaging scheme that uses frequency modulated pulses IS&T 44th Annual Conference Proceedings, pp. 391-394 (1991) (1991) Rao, N.; Zhu, H. Modeling Ultrasound Speckle Formation and its Dependence on Imaging System’s Impulse Response Proc. of SPIE Medical Imaging V: Image Physics, Vol.1443, pp. 81-95 (1991) (1991) Rao, N 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). (1990) Rao, N. 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) (1990) Rao, N; Mehra, S; Zhu, H Ultrasound Speckle Statistics Variations with Imaging System’s Impulse Response. IEEE Ultrasonic Symposium, Vol.3, pp.1435-1440, (1990) (1990) Rao, N; Zhu, H Stochastic Signal Processing for Tissue Characterization with Ultrasound: A Simulation Study Proc. of 16th Annual Bioengg. Conf., pp. 39-40 (1990) (1990) Rao, N.; Zhu, H. Scatterer Number Density Estimation using Frequency Modulated Pulse IEEE Ultrasonic Symposium, Vol.2, pp. 911-916 (1989) (1989) Rao, N. Variations in T1 and T2 due to MRI Contrast Agents 12th IEEE Engg. In Med. & Biol. Conf. Proc., Vol.11, pp. 584-586 (1989) (1989) Rao, N; Ritenou, E R; Hendrick, R E Frequency Modulated Pulse for Ultrasonic Imaging Proc. of SPIE Medical Imaging II, Vol. 914, pp. 67-74 (1988) (1988) Ritenour, E.R.; Alamoudi, O.A.; Rao, N.; 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). (1988) Rao, N;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). (1988) Shin, S; Rao, N; Ritenour, R; Waldren, C Bioeffects of Ultrasonic waves on Somatic Hybrid Mammalian Cells Bulletin of Am. Physical Soc., Vol. 32, No. 3, March (1987) (1987) Rao, N; Robinson, J H Long Wavelength Statics in Areas of Rough Topography Shell Geophysical Conf., Houston, Internal Publication (1985) (1985) Hazeu, T; Rao, N; Robinson, J H Statics Analysis with Non-hyperbolic Moveout Shell Geophysical Conf., Houston, Internal Publication (1984) (1984) Vuckovich, D. C.; Rao, N.;Hazeu, T.;Robinson, J.H. Wyoming Folded Belt Processing: Key Line Improvements Shell Geophysical Conf., Houston, Internal Publication (1984) (1984) Rao, N; Garland, J.C.; Tanner, D B Thermodynamic Transition of Small Superconducting Particles Physical Review B, Vol.29, No.3, (1984) (1983) Rao, N.; Goldman, A.M. Fluctuation Heat Capacity of Amorphous Nb3Ge Films J. Low Temp. Phys., Vol.42, pp.253 (1981) (1981) Rao, N; Dahlberg; E D; Goldman, A M Thermodynamic and Resistive Transitions of Thin Superconducting Films Physical Review Letters, Vol44, No.2, pp.98, (1980). Inhomogeneous Superconductors (1980) Rao, N; Tanner, D B; Garland, J.C Heat Capacity of Superconducting Metal-Insulator Composite Bulletin of Am. Physical Soc., Vol.25, No.3, March (1980) (1980) Rao, N; Cantor, R H; Dahlberg, E D; Goldman, A M; Toth, L E; Umbach, C Investigation of Amorphous Thin Films of Nb-Ge in the Superconducting State Bulletin of Am. Physical Soc., Vol.25, No.3, March (1980). (1980) Rao, N; Dahlberg, E D; Goldman, A M; Toth, L E;Umbach, C Experimental Investigation of the Resistence in Thin Superconducting Films of Niobium-Germanium Inhomogeneous Superconductors Ed. By D.U. Gubser, T.L. Francavilla, S.A. Wolf, J.R. Leibowitz, Am. Inst. of Physics Conf. Proc., New York, Vol. 58, pp.108 (1980). (1980) Zhao, W.; Rao, R.M. Discrete-time continuous-dilation wavelet transforms roc. IEEE-SP International Symposium on Time-Frequency and Time-Scale Analysis, pp. 233-6, Pittsburgh, PA October (1198)
