Book:

J. Sok-Son, G. Thomas, and B. C. Flores, Range-Doppler Radar Imaging and Motion Compensation, Artech House, Inc. Norwood, MA, USA, February 2001.

Book Chapter:

G. Thomas, Radio Frequency Imaging, Imaging with Electromagnetic Spectrum – Applications in Food and Agriculture, Springer, July 2014.

A. Ashtari, G. Thomas, H. B. Garcés, and B. C. Flores, Radar Signal Analysis and Design Using Frequency Modulation of Chaotic Signals, Principles of Waveform Diversity and Design,  SciTech Publishing, Inc., 2009.

Journal:

D. Ufuah, G. Thomas, S. Balocco, and A. Manickavasagan, “A Data Augmentation Approach Based on Generative Adversarial Networks for Date Fruit Classification,” Submitted to: IEEE Transactions on Instrumentation & Measurement, May 2021.

G. Thomas, S. Balocco, D. Mann, A. Simundsson, and N. Khorasani, “Intelligent Agricultural Machinery Using Deep Learning,” IEEE Instrumentation & Measurement Magazine, vol. 24, no. 2, pp. 93-100, April 2021.

G Thomas,”On the Solution of the Impulse Response of a Discrete System,” IEEE Access 7, pp. 35480-35486, March 2019.

B. Li, G. Thomas, D. Williams, “Detection of Ice on Power Cables Based on Image Texture Features,” IEEE Transactions on Instrumentation and Measurement, Vol. 67, No. 3, pp. 497-504, December 2017.

J. R. B. Taylor, J. J. Mijares-Chan and G. Thomas,” Wavelet-based blind deconvolution of near-field ultrasound scans,” IET Image Processing, Vol. 9, Iss: 8, pp. 672-679, July 2015.

G.Thomas, M. Annamalai, G. Karuppannan, “Bit plane slicing technique to classify date varieties,” Agricultural Engineering International: CIGR Journal, Vol 17, No 2, June 2015.

S. Al-Rahbi, A. Manickavasagan and G. Thomas. “Back propagation neural network (BPNN) to detect surface crack on dates using RGB images,” Journal of Medical and Bioengineering, Vol. 4, No. 1, pp: 67-70, February 2015.

A. Manickavasagan, H. N. Al-Shekaili, G. Thomas, M.S. Rahman, N. Guizani and D.S. Jayas, “Edge detection features to evaluate hardness of dates using monochrome images,” Food and Bioprocess Technology, Vol. 7, Iss. 8, pp: 2251-2258, August 2014.

G. Thomas, A. Manickavasagan and R. Al-Yahyai, “Contrast enhancement using brightness preserving histogram equalization technique for classification of date varieties,” The Journal of Engineering Research, Vol. 11, No. 1, pp: 55-63, 2014.

G. Thomas, A. Manickavasagan, R. Al-Yahyai, "Classification of Dates Varieties and Effect of Motion Blurring on Standarized Moment Features," Journal of Food Measurement and Characterization, Springer, Vol. 6, pp: 21-26, December, 2012.

G. Thomas, D. Flores-Tapia, and S. Pistorius, “ Histogram Specification: a Fast and Flexible Method to Process Digital Images,” IEEE Transactions on Instrumentation & Measurement, pp. 1565-1578, Vol. 60, No. 5, May 2011.

G. Thomas, D. Flores-Tapia, S. Pistorius, and N. Fernando” Synthetic Aperture Ultrasound Imaging of XLPE Insulation of Underground Power Cables,” IEEE Electrical Insulation Magazine, Vol. 26, No. 3, pp. 24-34, May/June 2010.

D. Flores-Tapia, G. Thomas and S. Pistorius, "A Wavefront Reconstruction Method for Subsurface Microwave Imagery Acquired along Circular and Planar Scan Trajectories," IEEE Transactions on Aerospace and Electronic Systems, Vol. 46, No. 3, pp. 1346 – 1363, July 2010.

D. Flores-Tapia, G. Thomas, and S. Pistorius, "Wavefront Reconstruction of Elevation Circular Synthetic Aperture Radar Imagery using a Cylindrical Green's Function," EURASIP Journal on Advances in Signal Processing, Special Issue on Advances in Multidimensional Synthetic Aperture Radar Signal Processing, In press, forthcoming December 2009.

D. Flores-Tapia, G. Thomas and S. Pistorius, "A Wavefront Reconstruction Method for 3D Cylindrical Subsurface Radar Imaging," 2008 Best student paper for MITACS related research, IEEE Transactions on Image Processing, Vol. 17, No. 10, pp. 1908-1925, October 2008.

A. Ashtari, G. Thomas, W. Kinsner, and B.C. Flores, “Sufficient Condition for Chaotic Maps to Yield Chaotic Behavior after Frequency Modulation,” IEEE Transactions on Aerospace and Electronic Systems, Vol. 44, No. 3, pp. 1240-1248, July 2008.

D. Flores-Tapia, Z. Moussavi, and G. Thomas, “Heart Sound Cancellation Based on Multiscale Products and Linear Prediction,” IEEE Transactions on Biomedical Engineering, Vol. 54, No. 2, pp. 234-243, Feb. 2007.

M. T. Pourazad, Z. Moussavi, and G. Thomas, "Heart Sound Cancellation from Lung Sound Recordings Using Time-Frequency Filtering, " Elsevier Journal of Medical & Biological Engineering & Computing, Vol. 44. No. 3, pp: 216-225, March 2006.

G. Thomas, J. E. Kaye, R. Jayas, and C. Kaye, "Cylinder Rotational Orientation Based on Circle Detection," Springer Lecture Notes in Computer Science, Vol. 3656, pp. 499-504, 2005.

M. Antunes, M. Trachtenberg, G. Thomas, and T. Shoa, "All-In-Focus Imaging Using a Series of Different Focal Plane Images," Springer Lecture Notes in Computer Science, Vol. 3656, pp. 174-179, 2005.

B. C. Flores, E. A. Solis, and G. Thomas, “Assessment of Chaotic FM Signals for Range-Doppler Imaging,” IEE Proceedings – Radar, Sonar and Navigation Special Issue on Time-Frequency Analysis for Synthetic Aperture Radar and Feature Extraction, Vol. 150, No. 4, pp. 313-322, 2003.

D. Flores-Tapia, G. Thomas, M. Chacon, “Wavelet Based Interpolation Algorithm for MRI Images,” Elsevier Journal of Alloys and Compounds, pp. 239-243, 2003.

G. Thomas, B. C. Flores, and S. Tariq "Selective Motion Compensation in SAR/ISAR Imagery," SPIE Optical Engineering Journal, Vol. 40. No 2, pp. 217-226, February 2001.

Conference:

A. Simundsson, D. D. Mann and G. Thomas, “A neural network to classify auditory signals for use in autonomous harvester control systems,” CSBE/SCGAB Annual Conference, Vancouver Canada, July 2019.

S Balocco, M González, R Ñanculef, P Radeva, G Thomas, “Calcified Plaque Detection in IVUS Sequences: Preliminary Results Using Convolutional Nets,” International Workshop on Artificial Intelligence and Pattern Recognition, 34-42, 2018.

H. Elsaid, G. Thomas, D. Williams, “Texture features based on the use of the hough transform and income inequality metrics,” Seventh International Conference on Image Processing Theory, Tools and Applications, Montreal, November 2017.

B. Li, G. Thomas, D. Williams, “Detection of Ice on Power Cables Based on Image Texture Features,” IEEE International Instrumentation and Measurement Technology Conference, Taipei, Taiwan, May 2016.

H. Zhang, G. Thomas, A. Emadi, N. Jacob, “Fault Detection on Power Cables Based on Ultrasound Scans and 3rd Order Cumulants,” IEEE International Instrumentation and Measurement Technology Conference, Taipei, Taiwan, May 2016.

B. Li, G. Thomas, D. Williams, “Ice Detection on Electrical Power Cables,” International Symposium on Visual Computing, Las Vegas, USA, December 2015.

G. Thomas, A. Emadi, J. J. Mijares-Chan, and D. Buchanan “Low Frequency Ultrasound NDT of Power Cable Insulation,” IEEE International Instrumentation and Measurement Technology Conference, Montevideo, Uruguay, May 2014.

G. Thomas, and A. Manickavasagan, “Texture Analysis Using Income Inequality Metrics,” IEEE International Instrumentation and Measurement Technology Conference, Montevideo, Uruguay, May 2014.

S. Al-Rahbi, A. Manickavasagan and G. Thomas, “Back Propagation Neural Network (BPNN) to Detect Surface Crack on Dates Using RGB Images,” International Conference on Biotechnology and Food Engineering, Singapore, August 2013.

N. Al-Mezeini, A. Manickavasagan and G. Thomas, “Comparison of Classifiers in Identification of Infested Dates using X-ray Images’” International Conference on Biotechnology and Food Engineering, Singapore, August 2013.

A. Manickavasagan, H. Neima Al-Shekaili and G. Thomas. 2013. “Computer vision technique to classify dates based on hardness,” International Conference on Computing, Engineering and Communication Technologies, Bangkok, Thailand, August 2013.

G. Thomas, “Hodrick-Prescott Filtering of Ultrasound Images,” International Acoustical Imaging Symposium, Singapore, April/May 2013.

J. R. B. Taylor, J. J. Mijares-Chan, G. Thomas, “Blind Deconvolution and Denoising of Near-Field Ultrasound Scans via Wavelet Shrinkage of the Log-Scalogram,” International Acoustical Imaging Symposium, Singapore, April/May 2013.

T. A. Emadi, G. Thomas, S. Pistorius, D. A. Buchanan, “Design and Analysis of a Wide Bandwidth Immersion MEMS Transducer Array for Fault Detection in Power Cables,” IEEE Sensors, Taipei, Taiwan, October 2012.

F. Yao, G. Thomas, H. Serrai, “Wavelet Encoded Spectroscopic Imaging and Parallel Imaging Accelerated in Two Dimensions: In-vitro results," European Society for Magnetic Resonance in Medicine and Biology, Lisbon, Portugal, October 2012.

T. A. Emadi, G. Thomas, S. Pistorius, D. A. Buchanan, “Capacitive Micromachined Ultrasonic Transducer Array with Pencil Beam Shape and Wide Range Beam Steering,” Eurosensors, Cracow, Poland, September 2012.

A. Manickavasagan, G. Thomas, R. Al-Yahyai, R. and M. Hema, “Brightness preserving histogram equalization (BPHE) technique for classification of dates,” International Conference on Computational Vision and Robotics, Bhubaneswar, India, August , 2012.

T. A. Emadi, G. Thomas, S. Pistorius, D. A. Buchanan, “A MEMS Ultrasonic Transducer Imager Array with Beam Width, Acoustic Power, and Frequency Modulations,” Best paper award, IEEE International Conference on Imaging Systems and Techniques, Manchester UK, July 2012.

G. Thomas, “Image De-noising Based on Hodrick-Prescott Filtering,” IEEE International Conference on Imaging Systems and Techniques, Manchester UK, July 2012.

J. R. B. Taylor, J. J. Mijares-Chan, G. Thomas, “Frequency Selection for Compounding Synthetic Aperture Ultrasound Images,” IEEE International Conference on Imaging Systems and Techniques, Manchester UK, July 2012.

J. J. Mijares-Chan, J. R. B. Taylor, G. Thomas, “Ultrasound High Resolution Imaging Using a Modified Synthetic Aperture Focusing Method, ” IEEE International Conference on Imaging Systems and Techniques, Manchester UK, July 2012.

G. Thomas, “Introduction to the Fourier Transform: Applied image processing laboratory examples,” Canadian Engineering Education Association, Winnipeg, Manitoba, June 2012.

G. Thomas, “Outlining a relevant undergraduate course on computer vision,”Canadian Engineering Education Association, Winnipeg, Manitoba, June 2012.

G. Thomas, A. Manickavasagan, and R. Al-Yahyai, “Image Classification Based on Bit-Plane Slicing,” invited paper, International Conference on Recent Trends in Computer Science and Engineering, Chennai, India, May 2012.

J. J. Mijares-Chan, B. Sharma, J. Lv, G. Thomas, R. Thulasiram, and P. Thulasiraman, “True random number generator using GPUs and histogram equalization techniques,” best paper award, IEEE International Conference on High Performance Computing and Communications, Banff, Canada, September 2011.

J. J. Mijares-Chan, and G. Thomas, “Ultrasound Background Cancellation based on Time-Varying Synthesis,” 31th International Symposium on Acoustical Imaging, Warsaw, Poland, April, 2011.

G. Thomas, D. Flores-Tapia, and S. Pistorius,” Frequency Compounding of Synthetic Aperture Ultrasound Imagery using Multiscale Products,” IEEE Instrumentation & Measurement Technology Conference, Austin TX, May 2010.

G. Thomas, D. Flores-Tapia, and S. Pistorius, “Fast Image Contrast Enhancement for General Use Digital Cameras,” IEEE Instrumentation & Measurement Technology Conference, Austin TX, May 2010.

D. Flores-Tapia, G. Thomas, S. Pistorius, “A Comparison of Interpolation Methods for Breast Microwave Radar Imaging,” International Conference of the IEEE Engineering in Medicine and Biology Society, Minneapolis, MN, September 2009.

Y. Fu, O. Ijare, G. Thomas, R. Fazel-Rezai, H. Serrai,”Implementation of Wavelet Encoding Spectroscopic Imaging Technique on a 3 Tesla Whole Body MR Scanner: In vitro Results,” International Conference of the IEEE Engineering in Medicine and Biology Society, Minneapolis, MN, September 2009.

D. Flores-Tapia, G. Thomas, S. Pistorius, “A Fast Wavefront Reconstruction Method for Breast Microwave Imaging,” International Conference of the IEEE Engineering in Medicine and Biology Society, Minneapolis, MN, September 2009.

D. Flores-Tapia, G. Thomas, B. McCurdy, S. Pistorius, "Brain MRI Segmentation based on the Rényi Fractal Dimension," International Conference on Image Analysis and Recognition, Halifax, NS, July 2009.

G. Thomas, “Image Segmentation Using Histogram Specification,” IEEE International Conference on Image Processing, San Diego California, October 2008.

D. Flores-Tapia, G. Thomas, N. Venugopal, and B. McCurdy, “Semi-Automatic MRI Prostate Segmentation Based on Wavelet Multi Scale Products,” International Conference of the IEEE Engineering in Medicine and Biology Society, Vancouver, BC, August 2008.

A. Sabouni, A. Ashtari, S. Noghanian, G. Thomas and S. Pistorius, “Hybrid binary-real GA for Microwave Breast Tomography,” IEEE AP-S International Symposium (APS 2008), San Diego, California, USA, July 2008.

D. Flores-Tapia, G. Thomas, and S. Pistorius, “Wavefront Reconstruction of 3D Cylindrical Subsurface Radar Imagery: A Study on Synthetic Phantoms,” IEEE Radar Conference, Rome, Italy, May 2008.

D. Flores-Tapia, G. Thomas, and S. Pistorius, “Wavefront Reconstruction of Breast Microwave Imagery Acquired Along Circular Scan Trajectories: A Study on Experimental Feasibility,” Invited paper, Progress in Electromagnetics Research Symposium, Hangzhou China, March 2008.

D. Flores-Tapia, G. Thomas, and S. Pistorius, “Wavefront Reconstruction Using a Dispersive Propagation Model,” Invited paper, The 24^th International Review of Progress in Applied Computational Electromagnetics, Niagara falls, Canada, March 2008.

A. Ashtari, S. Noghanian, A. Sabouni, and G. Thomas, “Hybrid Binary-Real Genetic Algorithms for Microwave Image Reconstruction,” Invited paper, The 24^th International Review of Progress in Applied Computational Electromagnetics, Niagara falls, Canada, March 2008.

D. Flores-Tapia, G. Thomas, and S. Pistorius, “Spatial Variant Apodization on Subsurface Imagery Acquired along Circular Trajectories,” International Conference on Radar Systems, Edinburgh Scotland, October 2007.

G. Thomas, B. C. Flores, and D. Flores-Tapia, “ISAR Motion Compensation Using Entropy Metrics,” International Conference on Radar Systems, Edinburgh Scotland, October 2007.

M. Chacon, A. Manickavasagan, D. Flores-Tapia, G. Thomas, and D. S. Jayas, “Segmentation of Wheat Grains in Thermal Images Based on Pulsed Couple Neural Networks,” IEEE International Conference on Image Processing, San Antonio TX, USA, September 2007.

A. Ashtari , D. Flores-Tapia, G. Thomas, and S. Noghanian, “Frequency-Matched Wavenumber Reconstruction for GPR Imaging,” URSI North American Radio Science Meeting, Ottawa, Canada, July 2007.

A. Ashtari , A. Sabouni, S. Noghanian, and G. Thomas, “Comparison between Quasi-Newton and PSO algorithms for optimization-based inverse scattering,” URSI North American Radio Science Meeting, Ottawa, Canada, July 2007.

A. Ashtari, G. Thomas, and B. C. Flores, “Radar Signal Design Using Chaotic Signals,” Invited paper, International Waveform Design and Diversity Conference, Pisa Italy, June 2007.

A. Sabouni, D. Flores-Tapia, S. Noghanian, G. Thomas and S. Pistorius, “Hybrid Microwave Tomography Technique for Breast Cancer Imaging,” IEEE International Conference of the Engineering in Medicine and Biology Society, New York, USA August 2006.

D. Flores-Tapia, G. Thomas, A. Ashtari and S. Pistorius, “3D Breast Microwave Imaging Based on Wavefront Reconstruction,” IEEE International Conference of the Engineering in Medicine and Biology Society, New York, USA, August 2006.

A. Ashtari, G. Thomas, H. Garces, and B. C. Flores, “Chaotic Behavior After Frequency Modulation,” Invited paper, Workshop on Transmission of Chaotic Signals, Bristol UK, August 2006.

M. Samiee, G. Thomas, and R. Fazel, “Semi-Automatic Prostate Segmentation of MR Images Based on Flow Orientation,” IEEE International Symposium on Signal Processing and Information Technology, Vancouver BC, Canada, August 2006.

D. Flores-Tapia, G. Thomas, A. Sabouni, S . Noghanian, and S. Pistorius, “Breast Tumor Microwave Simulator Based on a Radar Signal Model,” Awarded as best conference paper, IEEE International Symposium on Signal Processing and Information Technology, Vancouver BC, Canada, August 2006.

A. Ashtari, D. Flores-Tapia, G. Thomas and S. Pistorius, “Reducing Multipath Effect in Breast Microwave Imaging,” World Congress in Medical Physics and Biomedical Engineering, Seoul, Korea, Aug. 2006.

X. Kang, O. Peng, and G. Thomas, “Blind Image Restoration Using the Cepstrum Method,” Proc. IEEE Canadian Conference on Electrical and Computer Engineering, Ottawa, ON, Canada, May 2006.

D. Flores-Tapia, G. Thomas, and S. Pistorius, "Skin Surface Removal on Breast Microwave Imagery,” Proc. SPIE Symposium on Medical Imaging, San Diego CA, USA, Feb. 2006.

A. Ashtari, D. Flores-Tapia, G. Thomas and S. Pistorius, “A Method for Combining Focused Monostatic and Bistatic GPR to Reduce Multipath Effects,” Invited paper, IEEE International Workshop on Computational Advances in Multi-Sensor Adaptive Processing, Puerto Vallarta, Mexico, December 2005.

D. Flores-Tapia, G. Thomas, and B. C. Flores, “Estimation of Medium Permittivity for Subsurface Radar Imaging Based on Conditional Entropy Metrics," 18^th International Conference on Applied Electromagnetics and Communications, Dubrovnik, Croatia, October 2005.

D. Flores-Tapia, G. Thomas, and S. Pistorius, "On the Quality of Breast Microwave Imagery Using Different Radiation Footprints," 18^th International Conference on Applied Electromagnetics and Communications, Dubrovnik, Croatia, October 2005.

G. Thomas, H. Garces, B. Verdin, and B. C. Flores, "Chaotic modulation applied to short-range wideband radar," Invited talk, IEEE Antennas and Propagation Society’s Symposium, Washington, DC, July, 2005.

G. Thomas, and D. Flores-Tapia, ““To Believe is to See” Looking at the Scars of Subsurface Digital Imaging,” Invited talk, 26th Annual Meeting of the Canadian and Applied Industrial Mathematics Society, Winnipeg MB, June 2005

B. C. Flores, G. Thomas, B. Verdin, “Parameter selection of discrete chaotic maps for improved FM ambiguity surface characteristics,” Invited paper, Society for Industrial and Applied Mathematics Conference on Application of Dynamical Systems, Snowbird UT, USA, May 2005.

S. Hoghanian, M. Poyvasi, D. Flores-Tapia, G. Thomas, and S. Pistorius “Ultra-wide band radar for early breast tumor detection,” Technology in Cancer Research & Treatment, Vol. 4, No. 2, April 2005.

D. Flores-Tapia, G. Thomas, S. Hoghanian, M. Poyvasi and S. Pistorius “BCD using ground penetrating radar techniques,” Technology in Cancer Research & Treatment, Vol. 4, No. 2, April 2005.

B. C. Flores, B. Verdin, G. Thomas, and A. Ashtari, “Generation of quasi-normal variables using chaotic maps,” Proc. SPIE Defense and Security Symposium, Vol. 5788, Orlando FL, USA, March 2005.

D. Flores-Tapia, and G. Thomas, “Breast Microwave Imaging and Focusing Based on Range Migration Techniques,” 16th Int. Zurich Symposium on Electromagnetic Compatibility, Biomedical EMC, Zurich Switzerland, February 2005.

D. Flores-Tapia, G. Thomas, and M. Phelan, “Detection and focusing of buried object signatures using ground penetrating radar,” Proc. International Conference on Signals and Electronic Systems, Poznan, Poland, September 2004.

E. A. Solis, G. Thomas, B. C. Flores, “Chaotic behavior of chaotic based fm signals and their use on multipath propagation environments for high resolution radar,” Proc. International Conference on Signals and Electronic Systems, Poznan, Poland, September 2004.

Z. Moussavi, D. Flores-Tapia, G. Thomas, “Heart Sound Cancellation Based on Multiscale Products and Linear Prediction,” Invited paper, International Conference of the IEEE Engineering in Medicine And Biology Society, San Francisco CA, September 2004.

T. Shoa , G. Thomas, and C. Shafai, “Extracting a focused image from several out of focus micromechanical structure images,” IEEE International Conference on Acoustics, Speech, and Signal Processing, Montreal, Canada, May, 2004.

T. Shoa , C. Shafai, G. Thomas, and A. Shoa, “Optimization Algorithm for Restoring an All-Focused Micromechanical Structure Image,” Proc. IEEE Canadian Conference on Electrical and Computer Engineering, Niagara Falls, Canada, May 2004.

D. Flores-Tapia, G. Thomas, and M. Phelan, “Clutter Reduction of GPR Imagery Using Multiscale Products,” IASTED International Conference on Antennas, Radar and Wave Propagation, Banff, Canada, July 2004.

B. C. Flores, H. A. Ochoa, G. Thomas, “Resolution Issues in the Analysis of Radar Signals,” Proc. SPIE Defense and Security Symposium, Orlando FL, April 2004.

M. T. Pourazad, Z. Moussavi, G. Thomas, “Heart Sound Cancellation from Lung Sound Recordings using Adaptive Threshold and 2D Interpolation in Time-Frequency Domain,” The 25th Annual International Conference of the IEEE Engineering In Medicine And Biology Society, Cancun, Mexico, September 2003.

D. Flores, M. Chacon, and G. Thomas, “Wavelet Based Interpolation Algorithm for MRI Images,” Sixth Latin American Workshop on Magnetism, Magnetic Materials and their Applications, Mexico, April 2003.

B. C. Flores, E. A. Solis, and G. Thomas, “Chaotic signals for wideband radar imaging,” SPIE Aerosense 2002, Algorithms for Synthetic Aperture Radar Imagery IX, Orlando, FL, USA, April 2002.

G.Thomas, E. Corral, J. LoVetri, High Resolution Imaging using a SFCW GPR, Proc. Amerem 2002, June 2002, Annapolis, MD, USA

E. Corral, G. Thomas, and B. C. Flores, Effects of using superresolution techniques in ISAR imagery, Proc. IEEE Canadian Conference on Electrical and Computer Engineering, Winnipeg, Canada, May 2002.

G. Thomas, “Sidelobe apodization in Fourier imaging,” Invited paper, 35th Asilomar Conference on Signals, Systems, and Computers, Pacific Grove, CA, USA, November 2001.

G. Thomas, “Time-frequency analysis using sidelobe apodization,” SPIE Proc Advanced Signal Processing Algorithms, Architectures, and Implementations XI, Vol. 4474, San Diego CA, August 2001.

G. Thomas, J. Lo Vetri, W. Chamma, S. Kashyap, and A. Louie,”Sidelobe Apodization for High Resolution of Scattering Centres in ISAR Images,” 2001 IEEE AP-S International Symposium and USNC/URSI National Radio Science Meeting, Boston, Massachusetts July 8-13, 2001.

G. Thomas, B. C. Flores, and J. Sok Son, “SAR sidelobe apodization using the Kaiser window,” Proc of the IEEE International Conference on Image Processing, Vancouver, Canada, September 10 – 13, 2000.

G. Thomas, “On the use of the Kaiser window in SAR sidelobe apodization”, Proc. of Electro 2000, Mexico, October 2000.

G. Thomas, J. Sok, and B. C. Flores, “SAR Sidelobe Apodization Using Parametric Windows,” SPIE Proc. Algorithms for Synthetic Aperture Radar Imagery VI, Orlando FL, USA, April 1999.

G. Thomas, and B. C. Flores, “Definition of time-varying filters for ISAR motion compensation,” SPIE Proc. Radar Processing, Technology and Applications III, Vol. 3462, San Diego CA USA, July 1998.

G. Thomas, and A. Brito, “Noise Suppression and Component Extraction of Underwater Acoustic Signals,” Proc. IEEE Oceans 97, October 1997, Halifax, Nova Scotia, Canada.

G. Thomas, B. C. Flores, and A. Martinez, “ISAR Imaging of Moving Targets via the Gabor Wavelet Transform,” SPIE Proc. Radar Signal Processing and Applications II, Vol. 3161, pp. 90 – 101, San Diego, CA USA, July 1997.

K. Liu, G. Thomas, S. D. Cabrera, “Estimation of motion parameters from isolating scatterers using time-frequency filtering,” SPIE Proc. Algorithms for Synthetic Aperture Radar Imagery IV, Vol. 3070, pp. 55-64, Orlando FL, USA, April 1997.

G. Thomas, K. Liu, and S. D. Cabrera, "Evaluation of Time-Frequency filtering for SAR/ISAR Motion Compensation via Instantaneous Frequency Estimators," SPIE Radar Processing, Technology, and Applications, Vol. 2845, pp. 141 - 150, Denver, CO, USA, August 1996

G. Thomas, S. D. Cabrera, and B. C. Flores "Selective Motion Compensation in SAR Imagery Using Time-Frequency Filtering," Proc. SPIE. Algorithms for Synthetic Aperture Radar Imagery III, Vol. 2752, pp. 14 - 24, Orlando, FL, USA, April 1996.

G. Thomas, and S. D. Cabrera, "Signal Separation and Synthesis from Modified Superresolution Short-Time Fourier Transforms," SPIE Proc. Radar/Ladar Processing and Applications, Vol. 2562, pp. 76 - 87, San Diego, CA, USA, July 1995.

S. D. Cabrera, B. C. Flores, E. Rodriguez, and G. Thomas, "Two-Dimensional; Extrapolation and Spectral Estimation from Arbitrary Sampling Configurations for SAR/ISAR Imaging," IEEE Proc. ASILOMAR, Pacific Grove, CA, USA, November 1994.

G. Thomas, and S. D. Cabrera, "Resolution Enhancement in Time-Frequency Distributions Based on Adaptive Time Extrapolations," Proc. IEEE-SP Int. Symp. on Time-Frequency and Time-Scale Analysis, pp. 104-107, Philadelphia, PA, USA, October 1994.

G. Thomas, and S. D. Cabrera, "Underwater Acoustic Signal Analysis Based on Adaptive Data Extrapolations in Time-Frequency Representations," Proc. IEEE Oceans 94, Vol. 1, pp. 856 - 861, Brest, France, September 1994.

S. D. Cabrera, J. M. Gallegos, G. Thomas, and J. Rene Villalobos, "Aplicaciones de Procesamiento Digital de Senales e Imagenes en Manufacturas," In Proceedings of XXIII Convencion Panamericana de Ingenieros 1994, Acapulco, Gro., Mexico, July 1994.

C. Chen, G. Thomas, B. C. Flores, and S. D. Cabrera, "Radar Imaging Using 2D Adaptive Non-Parametric Extrapolation and Autoregressive Modeling," IEEE Southwest Symp. On Image Analysis and Interpretation, pp. 70 - 75, Dallas, TX, USA, April 1994.

S. D. Cabrera, B. C. Flores, G. Thomas, and J. Vega, "Application of One-Dimensional Adaptive Extrapolation to Improve Resolution in Range-Doppler Imaging," SPIE Proc. Algorithms for Synthetic Aperture Radar Imagery, Vol. 2230, pp. 135 - 145, Orlando FL, USA, April 1994.

J. Vega, G. Thomas, S. D. Cabrera, and B. C. Flores, "Estimacion Espectral 2-D Hibrida Basada en Normas con Factores de Peso Adaptivos," Proc. Electro93, pp. 557 - 572, Chihuahua, Mexico, October 1993.

S. D. Cabrera, B. C. Flores, G. Thomas and J. Vega-Pineda, "Evolutionary Spectral Estimation Based on Adaptive Use of Weighted Norms.", Proc. SPIE Advanced Signal Processing Algorithms, Architectures, and Implementations IV, Vol. 2027, pp. 168 - 179, San Diego CA, USA, April 1993.