Publications

R. K. Malladi, D. Kasilingam, and A. H. Costa, “Speckle Filtering of SAR Images Using Hölder Regularity Analysis of the Sparse Code,” in Proceedings of the IEEE International Geoscience and Remote Sensing Symposium (IGARSS 2003), Toulouse, France, pp. 3998-4000, July 21-25, 2003.

S. Hengstler, D. P. Kasilingam, A. H. Costa, "A novel chirp modulation spread spectrum technique for multiple access," in Proceedings of the IEEE International Symposium on Spread Spectrum Techniques and Applications (ISSSTA 2002), Prague, Czech Republic,vol. 1, pp. 73-77, September 2-5, 2002.

S. Hengstler, S. Sand, and A. H. Costa, "Adaptive Autoregressive Modeling for Time-Frequency Analysis," in Proceedings of the Third International Conference on Information, Communications and Signal Processing (ICICS 2001), Singapore, October 15-18, 2001.

J. Wang, X. Yan, A. H. Costa, and D. Kasilingam, "A Weighted Decomposition of the Wigner Distribution," in Proceedings of the 11th IEEE Workshop on Statistical Signal Processing, Singapore, pp. 337-340, August 6-8, 2001.

R. Suzuki, J. R. Buck, and A. H. Costa, "Analysis Filterbank With Arbitrary Frequency and Bandwidth Using a Multitaper Technique," in Proceedings of the 140th Meeting of the Acoustical Society of America, NOISE-CON 2000, Newport Beach, California, USA, December 3-8, 2000.

U. Qidwai, A. H. Costa, and C. H. Chen, "Detection of Ultrasonic NDE Signals Using Time-Frequency Analysis," Insight, vol. 41, no. 11, pp.700-703, November 1999.

U. Qidwai, A. H. Costa, and C. H. Chen, "Detection and Classification of Defects in Ultrasonic NDE Signals Using Time-Frequency Representations," in Proceedings of Review of Progress in Quantitative NDE, (Montreal, Quebec, Canada), pp. 717-724, July 1999.

A. H. Costa and G. F. Boudreaux-Bartels, "An Overview of Aliasing Errors in Discrete-Time Formulations of Time-Frequency Representations," IEEE transactions on Signal Processing, vol. 47, pp. 1463-1474, May 1999.

H. Ketterer, F. Jondral, and A. H. Costa, "Classification of Modulation Modes Using Time-Frequency Methods," in Proceedings of the IEEE International Conference on Acoustics, Speech, and Signal Processing, (Phoenix, AZ), March 1999.

A. Ramasubramanian, K. Payton, and A. H. Costa, "A Comparison Between Conventional and Wavelet Based Amplitude Compression Schemes," in Proceedings of the IEEE-SP International Symposium on Time-Frequency and Time-Scale Analysis, (Pittsburgh, PA), pp. 161-164, October 1998.

A. H. Costa and G. F. Boudreaux-Bartels, "Design of Time-Frequency Representations Using a Multiform, Tiltable Exponential Kernel," IEEE transactions on Signal Processing, vol. 43, pp. 2283-2301, October 1995.

A. H. Costa and G. F. Boudreaux-Bartels, "Time-Frequency Representations With Multiform, Tiltable Chebyshev Kernels," in Proceedings of the IEEE International Conference on Acoustics, Speech, and Signal Processing, (Detroit, MI), pp. 1001-1004, May 1995.

G. F. Boudreaux-Bartels and A. H. Costa, "Design of Zero-Phase, Multiform, Tiltable Two-Dimensional Filters," in Proceedings of the IEEE International Conference on Acoustics, Speech, and Signal Processing, (Detroit, MI), pp. 2603-2606, May 1995.

A. H. Costa and G. F. Boudreaux-Bartels, "Design of Time-Frequency Representations Using Multiform, Tiltable Kernels," in Proceedings of the IEEE-SP International Symposium on Time-Frequency and Time-Scale Analysis, (Philadelphia, PA), pp. 205-208, October 1994.

A. H. Costa and G. F. Boudreaux-Bartels, "A Comparative Study of Alias-Free Time-Frequency Representations," in Proceedings of the IEEE-SP International Symposium on Time-Frequency and Time-Scale Analysis, (Philadelphia, PA), pp. 76-79, October 1994.

F. Hlawatsch, A. H. Costa, and W. Krattenthaler, "Time-Frequency Signal Synthesis with Time-Frequency Extrapolation and Don't-Care Regions," IEEE transactions on Signal Processing, vol. 42, pp. 2513-2520, September 1994.

A. H. Costa, Multiform, Tiltable Time-Frequency Representations and Masked Auto Wigner Distribution Synthesis. Ph.D. dissertation, University of Rhode Island, Kingston, RI, 1994.

C. H. Chen and A. H. Costa, "New Results on Data Adaptive High Resolution Spectral Analysis Techniques," in Proceedings of the IEEE International Conference on Systems, Man, and Cybernetics, (Shenyang, China), August 1988.

C. H. Chen and A. H. Costa, "An Interactive and Data Adaptive Spectrum Analysis System," in Proceedings of the IEEE International Conference on Systems, Man, and Cybernetics, (Atlanta, GA), October 1986.

A. H. Costa, Maximum Entropy Spectral Analysis on an IBM Personal Computer. M.S. Thesis, University of Massachusetts Dartmouth, North Dartmouth, MA, 1985.

A. H. Costa, "A Digital Image Processing Package for the IBM Personal Computer," Technical Report SMU-ECE-tr-6, Department of Electrical and Computer Engineering, University of Massachusetts Dartmouth, North Dartmouth, MA, June 1985.

C. H. Chen and A. H. Costa, "Implementation of an Improved Fougere's Method for Maximum Entropy Spectral Analysis on an IBM Personal Computer," in Proceedings of the IEEE Digital Signal Processing Workshop, (Chatham, MA), October 1984.