## Joseph A. O'Sullivan Publications |

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- J. C. Schotland, V. Markel, and J. A. O'Sullivan, ``Tomography System and Method Using Nonlinear Reconstruction of Scattered Radiation,'' application submitted 2002.
- P.-C. Cheng, J. A. O'Sullivan, D. L. Snyder, M. W. Vannier, and G. Wang, ``Iterative Process for Reconstructing Cone-Beam Tomographic Images,'' US 5,909,476, June 1, 1999.
- G. A. O'Sullivan and J. A. O'Sullivan, ``Multimode Power Processor,'' US 5,929,538, July 27, 1999.
- R. S. Indeck, M. W. Muller, and J. A. O'Sullivan, ``Method for
Precompensating Signals for Magnetic Media Noise,'' US 5,959,794,
September 28, 1999.
To Top

- J. A. O'Sullivan, editor,
*Model-Based Image and Signal Processing*, a festschrift in honor of Donald L. Snyder.To Top

- J. A. O'Sullivan and J. Benac, "Alternating Minimization Algorithms for
Transmission Tomography," resubmitted to the
*IEEE Transactions on Medical Imaging*, June 2006.(pdf version) - N. A. Schmid and J. A. O'Sullivan, "Performance Prediction Methodology for Biometric Systems Using a Large
Deviations Approach," to appear,
*IEEE Transactions on Signal Processing*, October 2004. (pdf version) - D. R. Fuhrmann, C. Preza, J. A. O'Sullivan, D. L. Snyder, and W. H. Smith,
``Spectrum Estimation from Quantum-Limited Interferograms,''
*IEEE Transactions on Signal Processing*, Vol. 52, No. 4, pp. 950-961, April 2004. (pdf version) - J. A. O'Sullivan and M. D. DeVore, ``Quantitative Statistical Assessment of
Conditional Models for Synthetic Aperture Radar,''
*IEEE Transactions on Image Processing*, Vol. 13, No. 2, pp. 113-125, February 2004. (pdf version) - Y. Wu, J. A. O'Sullivan, N. Singla, and R. S. Indeck, ``Iterative Detection
and Decoding for Separable Two-Dimensional Intersymbol Interference,''
*IEEE Transactions on Magnetics*, Vol. 39, No.4, pp. 2115-2120, July 2003. (pdf version) - V. A. Markel, J. A. O'Sullivan, and J. C. Schotland, ``Inverse Problem in
Optical Diffusion Tomography. IV. Nonlinear Inversion Formulas,''
*J. Opt. Soc. Am. A*, Vol. 20, No. 5, May 2003. (pdf version) - P. Moulin and J. A. O'Sullivan, ``Information-Theoretic Analysis of
Information Hiding,''
*IEEE Transactions on Information Theory,*Vol. 49, No. 3, pp. 563-593, March 2003. (pdf version) - J. F. Williamson, B. R. Whiting, J. Benac, R. J. Murphy, G. J. Blaine,
J. A. O'Sullivan, D. G. Politte, and D. L. Snyder, ``Prospects for
Quantitative Computed Tomography Imaging in the Presence of Foreign
Metal Bodies Using Statistical Image Reconstruction,''
*Med. Phys.*Vol. 29, No. 10, pp. 2404-2418, October 2002. (pdf version) - N. Singla, J. A. O'Sullivan, R. S. Indeck, Y. Wu, ``Iterative decoding and equalization for 2-D recording channels,''
*IEEE Transactions on Magnetics*, Vol. 38 No. 5, pp. 2328-2330, September 2002. (pdf version) - Chi-Chun Hsu; C. T. Miller, R. S. Indeck, J. A. O'Sullivan, and M. W. Muller,
``Magnetization estimation from MFM images,''
*IEEE Transactions on Magnetics*, Vol. 38 No. 5, pp. 2444-2446, September 2002. (pdf version) - J. A. O'Sullivan, M. Jiang, X.-m. Ma, and G. Wang, ``Axiomatic Quantification
of Multi-Dimensional Image Resolution,''
*IEEE Signal Processing Letters,*Vol. 9, No. 4, pp. 120-122, April 2002. (pdf version) - N. A. Schmid and J. A. O'Sullivan, ``Thresholding Method for Dimensionality
Reduction in Recognition Systems,''
*IEEE Transactions on Information Theory,*Vol. 47, No. 7, pp. 2903-2920, November 2001. (pdf version) - J. A. O'Sullivan and N. A. Schmid, ``Performance Analysis of Physical
Signature Authentication,''
*IEEE Transactions on Information Theory*, Vol. 47, No. 7, pp. 3034-3039, November 2001. (pdf version) - D. L. Snyder, J. A. O'Sullivan, B. R. Whiting, R. J. Murphy, J. Benac,
J. A. Cataldo, D. G. Politte, and J. F. Williamson, ``Deblurring
subject to Nonnegativity Constraints When Known Functions are Present,
with Application to Object-Constrained Computerized Tomography,''
*IEEE Transactions on Medical Imaging,*Vol. 20, No. 10, PP. 1009-1017, October 2001. (pdf version) - M. D. DeVore and J. A. O'Sullivan, ``A Performance Complexity Study of
Several Approaches to Automatic Target Recognition from Synthetic
Aperture Radar Images,''
*IEEE Transactions on Aerospace and Electronic Systems,*Vol. 38, No. 2, pp. 632-648, April 2002. (pdf version) - J. A. O'Sullivan, M. D. DeVore, V. Kedia, and M. I. Miller,
``SAR ATR Performance Using a
Conditionally Gaussian Model,''
*IEEE Transactions on Aerospace and Electronic Systems,*Vol. 37(1), pp. 91-108, Jan. 2001. (pdf version) - J. A. O'Sullivan, R. E. Blahut, and D. L. Snyder, ``Information
Theoretic Image Formation,'' invited paper for the special issue of the
*IEEE Transactions on Information Theory*in honor of the 50th anniversary of C. E. Shannon's 1948 paper, vol. 44, no. 6, pp. 2094-2123, October 1998. Also in*Information Theory: 50 Years of Discovery*, S. Verdu and S. W. McLaughlin, Eds., pp. 50-79, 2000. (pdf version) - D. L. Snyder, A. O. Hero, P. Moulin,J. M. F. Moura, and J. A. O'Sullivan, "Introduction to the
special issue on information-theoretic imaging,"
*IEEE Transactions on Information Theory*, Vol. 46, No. 5, pp. 1709-1713, August 2000. - A. D. Lanterman, J. A. O'Sullivan, and M. I. Miller,
``Kullback-Leibler Distances for Quantifying Clutter and Models,''
*Optical Engineering*, Vol.38, No. 2, pp. 2134-2146, Dec. 1999. - S. P. Jacobs and J. A. O'Sullivan, ``Automatic Target Recognition Using
Sequences of High Resolution Radar Range-Profiles,''
*IEEE Transactions on Aerospace and Electronic Systems,*Vol. 36, no. 2, pp. 364-382, 2000. (pdf version) - D. G. Porter, J. A. O'Sullivan, R. S. Indeck, and M. W. Muller,
``Parameter identification for a micromagnetic recording medium
model,''
*Journal of Applied Physics,*vol. 81, no. 8, p. 4846, April 1997. - M. I. Miller, U. Grenander, J. A. O'Sullivan, and D. L. Snyder,
``Automated Target Recognition Organized via Jump-Diffusion
Algorithms,''
*IEEE Transactions on Image Processing, Special Issue on Automatic Target Detection and Recognition,*vol. 6, no. 1, pp. 157-174, January 1997. - G. Wang, D. L. Snyder, J. A. O'Sullivan, and M. W. Vannier, ``Iterative
Deblurring for CT Metal Artifact Reduction,''
*IEEE Transactions on Medical Imaging,*vol. 15, no. 5, pp. 657-664, October 1996. - D. G. Porter, E. Glavinas, P. Dhagat, J. A. O'Sullivan, R. S. Indeck,
and M. W. Muller, ``Irregular Grain Structure in Micromagnetic
Simulation,''
*Journal of Applied Physics,*vol. 79, no. 8, pp. 4695-4697, April, 1996. - D. G. Porter, J. A. O'Sullivan, R. S. Indeck, and M. W. Muller,
``Physically Based Information Science of Magnetic Recording II.
Physical Sources of Medium Noise,''
*IEEE Transactions on Magnetics,*vol. 30, no. 6, pp. 4266-4268, November 1994. - J. A. O'Sullivan, ``Roughness Penalties on Finite Domains,''
*IEEE Transactions on Image Processing*, pp. 1258-1268, September 1995. - J. A. O'Sullivan, D. G. Porter, R. S. Indeck, and M. W. Muller, ``Recording
Medium Properties and Capacity Bounds,''
*Journal of Applied Physics,*vol. 75, no. 10, 1994, pp. 5753-5755. - J. A. O'Sullivan, D. G. Porter, R. S. Indeck, and M. W. Muller, ``Physically
Based Information Science of Magnetic Recording I. Information Capacity of
a Medium Model,''
*IEEE Transactions on Magnetics,*vol. 29, no. 6, November 1993, pp. 4036-4038. - J. A. O'Sullivan, P. Moulin, D. L. Snyder, and D. G. Porter, ``An Application
of Splines to Maximum Likelihood Radar Imaging,''
*International Journal of Imaging Systems and Technology,*vol. 4, 1992, pp. 256-264. - P. Moulin, J. A. O'Sullivan, and D. L. Snyder, ``A Method of Sieves for
Multiresolution Spectrum Estimation and Radar Imaging,''
*IEEE Transactions on Information Theory*, March 1992, pp. 801-813. (pdf version) - M. I. Miller and J. A. O'Sullivan, ``Entropies and Combinatorics of Random
Branching Processes and Context-Free Languages,''
*IEEE Transactions on Information Theory*, July 1992, pp. 1292-1310. (pdf version) - D. L. Snyder, T. J. Schulz, and J. A. O'Sullivan, ``Deblurring Subject to
Nonnegativity Constraints,''
*IEEE Transactions on Signal Processing,*May 1992, pp. 1143-1150. - J. A. O'Sullivan and B.-Y. Sheu, ``Comments on `Design of Optimal Sampling
Schedules: Computation of Gradients and Hessians,'''
*IEEE Transactions on Automatic Control*, January 1991, p. 126. - M. I. Miller, B. Roysam, K. Smith, and J. A. O'Sullivan, ``Representing and
Computing Regular Languages on Massively Parallel Networks,''
*IEEE Transactions on Neural Networks,*January 1991, pp. 56-72. - D. L. Snyder, J. A. O'Sullivan, and M. I. Miller, ``The Use of
Maximum-Likelihood Estimation for Forming Images of Diffuse Radar-Targets
from Delay-Doppler Data,''
*IEEE Transactions on Information Theory*, Vol. 35, No. 3, May 1989, pp. 536-548. (pdf version)To Top

- J. A. O'Sullivan, ``Iterative Algorithms for Maximum Likelihood Sequence Detection,'' in
*Codes, Graphs, and Systems,*R. E. Blahut and R. Koetter, Editors. 2002, Kluwer Academic Publishers: Boston, MA. pp. 137-158. - J. A. O'Sullivan, ``Alternating Minimization Algorithms: from
Blahut-Arimoto to Expectation-Maximization,'' in A. Vardy, Ed.,
*Codes, Curves, and Signals: Common Threads in Communications,*1998, pp. 173-192. - P. Moulin, J. A. O'Sullivan, and D. L. Snyder, ``A Sieve-Constrained
Maximum-Likelihood Method for Target Imaging,'' in
*Radar and Sonar II,*F. A. Grunbaum, M. Bernfeld, and R. E. Blahut, Editors, Springer-Verlag, The IMA Volumes in Mathematics and Its Applications, 1992, pp. 95-122. - M. I. Miller, D. R. Fuhrmann, J. A. O'Sullivan, and D. L. Snyder,
``Maximum-Likelihood Methods for Toeplitz Covariance Estimation and
Radar Imaging,'' in S. Haykin, ed.,
*Advances in Spectrum Analysis and Array Processing, Vol. II,*Prentice-Hall, 1989, pp. 145-172. - J. A. O'Sullivan and M. K. Sain, ``Optimal Control by Polynomial
Approximation: The Discrete Time Case,'' in
*Proceedings NOLCOS 1989 Symposium,*IFAC Publications, Oxford, England, 1989. - J. A. O'Sullivan and D. L. Snyder, ``High Resolution Radar Imaging Using
Spectrum Estimation Methods,'' in
*Signal Processing Part II: Control Theory and Applications,*The IMA Volumes in Mathematics and Its Applications, Vol. 23, Eds. F. A. Grunbaum, J. W. Helton, and P. Khargonecker, 1990, pp. 335-346.To Top

- J. A. O'Sullivan and N. Singla, ``Ordered Subsets Message-Passing,''
*2003 IEEE International Symposium on Information Theory*, Yokohama, Japan, June 29-July 4, 2004. (pdf version of talk) (pdf version of paper) - Naveen Singla and Joseph A. O'Sullivan, "Minimum mean square error equalization using priors for two-dimensional intersymbol interference," 2004 IEEE International Symposium on Information Theory, Chicago, Illinois, June 27-July 2, 2004. (pdf version of paper)
- M. Brandon Westover and Joseph A. O'Sullivan, "Towards an information theoretic framework for object recognition," Chicago, Illinois, June 27-July 2, 2004.
- Joseph A. O'Sullivan, Naveen Singla, Ronald S. Indeck, "2D Coding for Future Perpendicular and Probe Recording," 2004. (pdf version of paper) (pdf version of talk)
- Guoliang Xing, Chenyang Lu, Robert Pless, Joseph A. O'Sullivan, "CoGrid: An Efficient Coverage Maintenance Protocol for Distributed Sensor Networks," 2004. (pdf version of paper)
- Joseph A. O'Sullivan, Jasenka Benac, Jeffrey F. Williamson, "ALTERNATING MINIMIZATION ALGORITHM FOR DUAL ENERGY X-RAY CT," 2004. (pdf version of paper)
- M. D. DeVore, J. A. O'Sullivan, and L. J. Montagnino, ``Azimuth Correlation Models for Radar Imaging,'' SPIE Aerosense, 2003.
- R. J. Murphy, D. L. Snyder, D. G. Politte, J. A. O'Sullivan, ``A sieve-regularized image reconstruction algorithm with pose search in transmission tomography,'' Presented at the SPIE Medical Imaging 2003: Image Processing conference, San Diego, CA, February 20, 2003. (pdf version of paper)
- Joseph A. O'Sullivan, Jasenka Benac, "Alternating Minimization Multigrid Algorithms for Transmission Tomography," 2003. (pdf version of paper)
- Donald L. Snyder, Joseph A. O'Sullivan, Ryan J. Murphy, David G. Politte, Bruce R. Whiting, Jeffrey F. Williamson, "Maximum Likelihood Methods for Reconstructing an Image In a Region-of-Interest for Transmission Tomography," 2003. (pdf version of paper)
- J. A. O'Sullivan, D. L. Snyder, and B. R. Whiting, ``Alternating Minimization
Algorithms for Transmission Tomography Using Energy Detectors,''
*Proceedings of the 36th Asilomar Conference on Signals, Systems and Computers,*Monterey, CA, Nov. 4-6, 2002. (pdf version of talk) (pdf version of paper) - Chi-Chun Hsu, Clayton T. Miller, R.S. Indeck, J.A. O’Sullivan, M.W. Muller, "Magnetization Estimation from MFM Images," September 2002. (pdf version of paper)
- R. J. Murphy, J. A. O'Sullivan, J. Benac, D. L. Snyder, B. R. Whiting, D. G. Politte, J. F. Williamson, ``Incorporating known information into image reconstruction algorithms for transmission tomography,'' Proceedings of the SPIE Medical Imaging 2002: Image Processing, M. Sonka and J. M. Fitzpatrick, Editors, SPIE 4684, pp. 29-37, 2002. (pdf version of paper)
- R. J. Murphy, J. A. O'Sullivan, and D. L. Snyder, ``An information-theoretic imaging approach to pose search for transmission tomography'', presented at the Fortieth Annual Allerton Conference on Communication, Control, and Computing, Monticello, Illinois, October 2002. (pdf version of paper)
- J. A. O'Sullivan, L. Xu, and N. Singla, ``Coding for High-Density Storage Systems,'' 40th Annual Allerton Conference on Communication, Control, and Computing, October 2-4, 2002. (pdf version of paper) (pdf version of talk)
- J. A. O'Sullivan, N. Singla, Y. Wu, and R. S. Indeck, ``Iterative decoding for two-dimensional intersymbol interference channels,''
*Proceedings 2002 IEEE International Symposium on Information Theory,*p. 198, Lausanne, Switzerland, June-July, 2002. (pdf version of talk) (pdf version of paper) - N. Singla, J. A. O'Sullivan, R. S. Indeck, Y. Wu, ``Iterative decoding and equalization for 2-D recording channels,'' 2002 IEEE International Magnetics Conference, Amsterdam, Netherlands, April-May 2002. (pdf version of paper) (pdf version of talk)
- Chi-Chun Hsu; C. T. Miller, R. S. Indeck, J. A. O'Sullivan, and M. W. Muller,
``Magnetization estimation from MFM images,''
*2002 IEEE International Magnetics Conference, 2002. INTERMAG Europe 2002. Digest of Technical Papers.*p. BD6, 2002. - J. F. Williamson, B. R. Whiting, J. Benac, R. J. Murphy, G. J. Blaine, J. A. O'Sullivan, D. G. Politte, D. L. Snyder, ``Prospects for quantitative CT imaging in the presence of foreign metal bodies using statistical image reconstruction,''
*Proceedings 2002 IEEE International Symposium on Biomedical Imaging,*, pp. 649-652, 2002. - P. Moulin and J. A. O'Sullivan, ``Optimal Key Design for Information-Embedding Systems,''
*Proceedings of the 2002 Conference on Information Sciences and Systems,*Princeton University, March 20-22, 2002, pp. 714-718. - J. Benac, J. A. O'Sullivan, D. L. Snyder, D. G. Politte, B. R. Whiting,
J. F. Williamson, and R. J. Murphy, ``A Simulation Study of Alternating Minimization
Algorithms for CT Image Formation,''
*39th Annual Allerton Conference on Communication, Control, and Computing,*Monticello, IL, Oct. 2001. - J. A. O'Sullivan and M. D. DeVore, ``Variation of ATR System Performance with
System Implementation Parameters,'' in
*Proceedings of Defense Applications of Signal Processing Workshop,*September 2001. (pdf version of paper) - M. D. DeVore and J. A. O'Sullivan, ``Model-Based Approaches to Rejecting Confuser
Targets,'' in
*Proceedings of the First Annual Automatic target Recognition Theory Workshop,*Wright State University, August 2001. - J. A. O'Sullivan and M. D. DeVore, ``Theoretical Issues in ATR System Design:
Approximation Error, Estimation Error, Model Complexity, and Computational
Complexity,'' in
*Proceedings of the First Annual Automatic Target Recognition Theory Workshop,*Wright State University, August 2001. (pdf version of talk) - J. A. O'Sullivan, ``Some Roles of Information Theory in Imaging
Problems,''
*SPIE AeroSense, Automatic Target Recognition XI,*Firooz A. Sadjadi; Ed., Orlando, April 2001. (pdf version of talk) - N. A. Schmid and J. A. O'Sullivan, ``Classification of Gaussian Data
with Sieve-Regularized Estimates,''
*SPIE AeroSense, Automatic Target Recognition XI,*Firooz A. Sadjadi; Ed., Orlando, April 2001.

(pdf version of paper) - M. D. DeVore and J. A. O'Sullivan, ``Probabilistic Approach to Model
Extraction from Training Data,''
*SPIE AeroSense, Algorithms for Synthetic Aperture Radar Imagery VIII,*Edmund G. Zelnio; Ed., Orlando, April 2001. (pdf version of talk) - M. D. DeVore and J. A. O'Sullivan, ``Statistical Assessment of Model
Fit for Synthetic Aperture Radar Data,''
*Proc. SPIE AeroSense, Algorithms for Synthetic Aperture Radar Imagery VIII,*Edmund G. Zelnio; Ed., Orlando, April 2001.

(pdf version of talk) - M. D. DeVore, J. A. O'Sullivan, R. D. Chamberlain, and M. A. Franklin,
``Relationships Between Computational System Performance and
Recognition System Performance,''
*SPIE AeroSense, Automatic Target Recognition XI,*Firooz A. Sadjadi; Ed., Orlando, April 2001. (pdf version of talk) - M. D. DeVore, N. A. Schmid, and J. A. O'Sullivan, ``Analytical and
Experimental Performance-Complexity Tradeoffs in ATR,''
*Proceedings of the Thirty-Fourth Asilomar Conference on Signals, Systems, and Computers,*Vol. 2, pp. 1529-1523, October 2000. (pdf version of talk) (pdf version of paper) - J. A. O'Sullivan, M. A. Franklin, M. D. DeVore, and
R. D. Chamberlain, ``Analysis of Computational System Performance in
Automatic Target Recognition,''
*Proceedings of the Fourth Annual High Performance Embedded Computing Workshop,*MIT Lincoln Laboratory, Boston, September 2000. (pdf version of talk) - J. A. O'Sullivan, ``Properties of the Information Value Decomposition,'' submitted to the IEEE 2000 International Symposium on Information Theory, Sorento, Italy, June 2000.
- N. A. Schmid and J. A. O'Sullivan, ``Performance Analysis in ATR from Dimensionality Reduction,'' submitted to the IEEE 2000 International Symposium on Information Theory, Sorento, Italy, June 2000.
- P. Moulin and J. A. O'Sullivan, ``Information-Theoretic Analysis of Information Hiding,'' submitted to the IEEE 2000 International Symposium on Information Theory, Sorento, Italy, June 2000.
- P. Moulin and Joseph A. O'Sullivan, "Information-Theoretic Analysis of Watermarking,"
*Proceedings 2000 IEEE International Conference on Acoustics, Speech, and Signal Processing, ICASSP '00*, Vol. 6, pp. 3630-3633,2000. - N. A. Schmid and J. A. O'Sullivan, ``Method for Reducing Dimensionality in ATR Systems,'' submitted to SPIE Automatic Target Recognition X, Firooz A. Sadjadi; Ed., Orlando, April 2000.
- M. D. DeVore, A. D. Lanterman, and J. A. O'Sullivan, ``ATR Performance of a Rician Model for SAR Images,'' submitted to SPIE Automatic Target Recognition X, Firooz A. Sadjadi; Ed., Orlando, April 2000.
- J. A. O'Sullivan and M. D. DeVore, ``Performance-Complexity Tradeoffs for Several Approaches to ATR from SAR Images,'' submitted to SPIE Algorithms for Synthetic Aperture Radar Imagery VII, Edmund G. Zelnio; Ed., Orlando, April 2000.
- D. R. Fuhrmann, J. A. O'Sullivan, and D. L. Snyder, "Spectrum Estimation from Quantum Limited Interferograms," First Sensor Array and Multichannel Signal Processing Workshop, Cambridge, MA, March 2000.
- D. L. Snyder and J. A. O'Sullivan, ``Object-Constrained Computerized-Tomography,'' Optical Society of America Annual Meeting, Symposium on Computed Imaging and Inverse Problems, Santa Clara, CA, September 1999.
- J. A. O'Sullivan and Natalia A. Schmid, ``Dependence of ATR System Performance on the Size of Training Sets,'' Proc. SPIE Vol. 3721 pp. 730-739, Algorithms for Synthetic Aperture Radar Imagery VI, Edmund G. Zelnio; Ed., Orlando, April 1999.
- J. Kostakis, M. L. Cooper, T. J. Green, M. I. Miller, J. A. O'Sullivan, J. H. Shapiro, D. L. Snyder, ``Multispectral Sensor Fusion for Ground-Based Target Orientation Estimation: FLIR, LADAR, HRR,'' Proceedings SPIE Vol. 3718, pp. 14-24, Automatic Target Recognition IX, Firooz A. Sadjadi; Ed., Orlando, April 1999.
- D. L. Snyder, J. A. O'Sullivan, D. R. Fuhrmann, and W. H. Smith, ``Estimation of Overlapping Spectral Signatures from Hyperspectral Data,'' Proceedings SPIE Vol. 3718, pp. 470-479, Automatic Target Recognition IX, Firooz A. Sadjadi; Ed., Orlando, April 1999.
- J. A. O'Sullivan and M. D. DeVore, ``Performance Analysis of ATR from SAR Imagery,'' Proceedings of the 33rd Annual Conference on Information Sciences and Systems, April 1999.
- J. A. O'Sullivan and Natalia A. Schmid, ``Performance of ATR Systems and the Size of Training Sets,'' 1999 Information Theory Workshop on Detection, Estimation, Classification, and Imaging, Santa Fe, NM, February 1999.
- J. A. O'Sullivan, P. Moulin, and M. Ettinger, ``Information Theoretic Analysis of Steganography,'' 1998 International Symposium on Information Theory.
- J. A. O'Sullivan, ``Incremental Optimality for Nonlinear Filtering,'' MTNS98, Mathematical Theory of Networks and Systems, Padova, Italy, July 1998.
- J. A. O'Sullivan, L. Duan, and D. L. Snyder, ``Iterative Bahl Decoding is Maximum Likelihood Decoding,'' IEEE Communication Theory Workshop, Captiva Island, FL, May 1998.
- J. Kostakis, M. L. Cooper, T. J. Green, M. I. Miller, J. A. O'Sullivan, J. H. Shapiro, D. L. Snyder, ``Multispectral active-passive sensor fusion for ground-based target orientation estimation,'' Proc. SPIE Vol. 3371, p. 500-507, Automatic Target Recognition VIII, Firooz A. Sadjadi; Ed., September 1998.
- J. A. O'Sullivan, S. P. Jacobs, V. Kedia, ``Stochastic models and performance bounds for pose estimation using high-resolution radar data,'' Proc. SPIE Vol. 3370, pp. 576-587, Algorithms for Synthetic Aperture Radar Imagery V, Edmund G. Zelnio; Ed., September 1998.
- J. A. O'Sullivan, A. Srivastava, and V. Kedia, ``Performance Analysis of ATR from SAR Imagery,'' 1998 SPIE Aerosense meeting, Orlando, April 1998.
- J. A. O'Sullivan and V. Kedia, ``Target Recognition and Pose Estimation from SAR Imagery,'' National Radio Science Meeting, Boulder, CO, January 1998.
- D. L. Snyder, M. Joshi, J. A. O'Sullivan, J. F. Williamson, and C. K. S. Chao, ``Spiral X-ray CT Imaging in the Presence of High Density Brachytherapy Applicators,'' 1997 IEEE Nuclear Science Symposium and Medical Imaging Conference, November 1997.
- J. A. O'Sullivan, V. Kedia, and S. P. Jacobs, ``Orientation Estimation Bounds for High Resolution Radar Data,'' Thirty-Fifth Allerton Conference on Communication, Control, and Computing, Urbana, IL, October 1997.
- J. A. O'Sullivan and N. Ryleeva, ``Large Deviations Analysis for
Performance Analysis of Signature Authentication,''
*1997 International Symposium on Information Theory,*Ulm, Germany, June 1997. - S. P. Jacobs and J. A. O'Sullivan, ``High-resolution radar models for joint tracking and recognition,'' Proc. SPIE Vol. 3069, p. 94-105, Automatic Target Recognition VII, Firooz A. Sadjadi; Ed., June 1997.
- S. P. Jacobs and J. A. O'Sullivan, ``High Resolution Radar Models for Joint Tracking and Recognition,'' Proceedings 1997 National Radar Conference, pp. 99-104, May 1997.
- S. P. Jacobs, J. A. O'Sullivan, M. Faisal, and D. L. Snyder, ``Automatic target recognition system using high-resolution radar,'' Proc. SPIE Vol. 2845, p. 84-95, Radar Processing, Technology, and Applications, William J. Miceli; Ed., November 1996.
- S. P. Jacobs, J. A. O'Sullivan, and Z. Bekker, ``Joint Tracking and Recognition of Ground Targets from High Resolution Radar Range-Profiles,'' Proceedings of the Third Workshop on Conventional Weapon ATR, Redstone Arsenal.
- J. A. O'Sullivan, D. Agrawal, R. S. Indeck, and M. W. Muller, ``Write-read-write signal precompensation techniques for magnetic recording,'' Proc. SPIE Vol. 2605, p. 39-47, Coding and Signal Processing for Information Storage, Mysore R. Raghuveer; Soheil A. Dianat; Steven W. McLaughlin; Martin Hassner; Eds., December 1995.
- D. G. Porter, P. Dhagat, J. A. O'Sullivan, R. S. Indeck and M. W. Muller,
``Irregular Grain Structure in Micromagnetic Simulation,''
*40th Annual Conference on Magnetism and Magnetic Materials: Abstracts*, AR-15, November 1995. - D. G. Porter, J. A. O'Sullivan, R. S. Indeck and M. W. Muller,
``Physically Based Information Science of Magnetic Recording
II. Physical Sources of Medium Noise,''
*The 6th Joint MMM-Intermag Conference: Abstracts*, FP-04, pp.397-398, June, 1994. - J. A. O'Sullivan, D. Agrawal, R. S. Indeck, and M. W. Muller, ``Signal Precompensation for Multiplicative Noise in Magnetic Recording,'' Conference on Information Science and Systems, Johns Hopkins, Baltimore, March 1995.
- J. A. O'Sullivan, D. Agrawal, D. G. Porter, R. S. Indeck and M. W. Muller,
``Magnetic Recording System Design to Reduce
Medium Noise Through Signal Precompensation,''
*Proceedings of the 28th Conference on Information Science and Systems*, pp. 1152-1155, (Princeton, NJ), Department of Electrical Engineering, Princeton University, 1994. - J. A. O'Sullivan, D. G. Porter, R. S. Indeck and M. W. Muller,
``Recording Medium Properties and Capacity Bounds,''
*38th Annual Conference on Magnetism and Magnetic Materials: Abstracts*, BC-04, pp. 87-88, November 1993. - J. A. O'Sullivan, D. G. Porter, R. S. Indeck and M. W. Muller,
``Physically Based Information Science of Magnetic Recording
I. Information Capacity of a Medium Model,''
*DIGESTS of INTERnational MAGnetics Conference*, GQ-02, Stockholm, Sweden, April 1993. - N. J. Cutaia and J. A. O'Sullivan, ``Performance Bounds for Recognition of Jump-Linear Systems,'' 1995 American Control Conference, Seattle, WA, June 1995.
- J. A. O'Sullivan and D. L. Snyder, ``Deterministic EM Algorithms with Penalties,'' submitted to International Symposium on Information Theory, Whistler, British Columbia, September 1995.
- D. G. Porter and J. A. O'Sullivan, ``Physical Limits on the
Storage Capacity of Magnetic Recording Media,''
*Proceeding 1995 International Symposium on Information Theory,*p. 248, Whistler, British Columbia, September 1995. - N. J. Cutaia and J. A. O'Sullivan, ``Automatic Target Recognition Using Kinematic Priors,'' Proc. 33rd Conference on Decision and Control, Orlando, FL, December 1994, pp. 3303-3307.
- J. A. O'Sullivan, K. Mark, and M. I. Miller, ``Markov Random Fields on Graphs for Natural Languages,'' Information Theory Workshop on Information Theory and Statistics, Alexandria, VA, October 1994.
- J. A. O'Sullivan, ``Further Convergence Results for Entropies of Random Branching Processes,'' International Symposium on Information Theory, Norway, June 1994.
- J. A. O'Sullivan, ``Divergence Penalty for Image Regularization,'' 1994 ICASSP, Adelaide, Australia, April 1994.
- J. A. O'Sullivan, S. P. Jacobs, M. I. Miller, and D. L. Snyder, ``A Likelihood-Based Approach to Joint Target Tracking and Identification,'' Conference Record 27th Asilomar Conference, Monterrey, CA, November 1993, pp. 290-294.
- J. A. O'Sullivan, M. I. Miller, A. Srivastava, and D. L. Snyder, ``Tracking
Using a Random Sampling Algorithm,''
*Proceedings 12th World Congress of the International Federation of Automatic Control*, vol. 5, Sydney, Australia, July 1993, pp. 435-438. - R. Teichman, A. Srivastava, M. I. Miller, J. A. O'Sullivan, and D. L. Snyder, ``Automated Tracking and Target Recognition Algorithms Using Jump-Diffusion Processes,'' 1993 IEEE Mohawk Valley Section Dual-Use Technologies and Applications Conference, Utica, NY, May 1993.
- J. A. O'Sullivan, D. G. Porter, R. S. Indeck, and M. W. Muller, ``A
Physically Based Approach to Information Theory for Thin Film Magnetic
Recording,''
*Proceedings of the 30th Allerton Conference on Communication, Control, and Computing*, pp. 792-798, 1992. - J. A. O'Sullivan, K. C. Du, R. S. Teichman, M. I. Miller, D. L. Snyder, and V. C. Vannicola, ``Reflectivity Models for Radar Target Recognition,'' SPIE OE/Aerospace Science and Sensing Conference on Automatic Object Recognition III, Orlando, FL, April 1993.
- M. I. Miller, R. Teichman, A. Srivastava, J. A. O'Sullivan, and D. L.
Snyder, ``Jump-Diffusion Processes for Automated Tracking-Target
Recognition,''
*Proceedings 27th Conference on Information Sciences and Systems,*Johns Hopkins University, March 1993, pp. 617-622 (invited). - A. Chinwalla and J. A. O'Sullivan, ``Image Regularization Using a Divergence
Penalty Method,''
*Proceedings 27th Conference on Information Sciences and Systems,*Johns Hopkins University, March 1993, pp. 30-33. - J. A. O'Sullivan, K. C. Du, R. S. Teichman, M. I. Miller, D. L. Snyder, and
V. C. Vannicola,
``Radar Target Recognition Using Shape Models,''
*Proceedings of the 30th Annual Allerton Conference on Communication, Control, and Computing,*Urbana, IL, October 1992, pp. 515-523. - J. A. O'Sullivan, D. G. Porter, R. S. Indeck, and M. W. Muller, ``A
Physically Based Approach to Information Theory for Thin Film Magnetic
Recording,''
*Proceedings of the 30th Annual Allerton Conference on Communication, Control, and Computing,*Urbana, IL, October 1992, pp. 792-798. - A. Srivastava, N. Cutaia, M. I. Miller, J. A. O'Sullivan, and D. L. Snyder,
``Multi-Target Narrowband Direction Finding and Tracking Based on Motion
Dynamics,''
*Proceedings of the 30th Annual Allerton Conference on Communication, Control, and Computing,*Urbana, IL, October 1992, pp. 279-288. - J. A. O'Sullivan, ``A Unitary Algorithm for Wideband Radar Imaging,''
*Proceedings of the 1992 Conference on Information Sciences and Systems,*Princeton, NJ, March 1992, p. 755. - J. A. O'Sullivan, ``Wideband Radar Imaging with Estimation Theory
Applications,''
*Proceedings of the 29th Annual Allerton Conference on Communication, Control, and Computing,*Urbana, IL, October 1991, pp. 524-533. - M. I. Miller and J. A. O'Sullivan, ``On the Entropy of Random Branching Processes,'' IEEE International Symposium on Information Theory, Budapest, Hungary, June 1991.
- P. Moulin, J. A. O'Sullivan, and D. L. Snyder, ``A Method of Sieves for Estimating the Spectral Density,'' IEEE International Symposium on Information Theory, Budapest, Hungary, June 1991.
- J. A. O'Sullivan, T. J. Schulz, and D. L. Snyder, ``Image Restoration Subject to Nonnegativity Constraints,'' ICASSP-91, Toronto, May 1991.
- J. A. O'Sullivan, P. Moulin, D. L. Snyder, and S. P. Jacobs, ``Computational
Considerations for Maximum-Likelihood Radar Imaging,''
*Proceedings 1990 Conference on Information Sciences and Systems,*Princeton, NJ, March 1990, pp. 536-540. - J. A. O'Sullivan and M. I. Miller, ``Maximum Entropy Supercritical Branching Processes,'' 1990 Conference on Information Sciences and Systems, Princeton, NJ, March 1990.
- J. A. O'Sullivan and M. I. Miller, ``Representing Context Free Languages via Random Branching Processes,'' IEEE International Symposium on Information Theory, San Diego, January 1990.
- P. Moulin, D. L. Snyder, and J. A. O'Sullivan, ``A Method for Regularizing Maximum-Likelihood Spectrum Estimates,'' IEEE International Symposium on Information Theory, San Diego, January 1990.
- P. Moulin, D. L. Snyder, and J. A. O'Sullivan, ``A Sieve-Constrained Maximum-Likelihood Estimator for the Spectrum of a Gaussian Process,'' 27th Allerton Conference on Communication, Control, and Computing, Urbana, IL, September 1989.
- M. I. Miller and J. A. O'Sullivan, ``Stochastic Representations of Formal Languages,'' 1989 IEEE/CAM Information Theory Workshop at Cornell, Cornell University, Ithaca, NY, June 1989.
- J. A. O'Sullivan, D. L. Snyder, and P. Moulin, ``The Role of Spectrum
Estimation in Forming High-Resolution Radar Images,''
*Proceedings ICASSP-89*, Glasgow, Scotland, May 1989, pp. 2365-2367. - P. Moulin, D. L. Snyder, and J. A. O'Sullivan, ``Maximum-Likelihood Spectrum
Estimation of Periodic Processes from Noisy Data,''
*Proceedings of the 1989 Conference on Information Sciences and Systems*, Johns Hopkins University, Baltimore, MD, March 1989, 610-616. - J. A. O'Sullivan, P. Moulin, and D. L. Snyder, ``Cramer-Rao Bounds for
Constrained Spectrum Estimation with Application to a Problem in Radar
Imaging,''
*Proceedings 26th Allerton Conference on Communication, Control, and Computing*, Urbana, IL, October 1988, pp. 27-34. - M. I. Miller, M. J. Turmon, J. A. O'Sullivan, and D. L. Snyder, ``Spectrum
Estimation via Maximum Likelihood Estimation of Toeplitz Constrained
Covariances,''
*Proceedings IEEE Spectrum Estimation Workshop*, Minneapolis, MN, August 1988, pp. 182-185. - D. L. Snyder, J. A. O'Sullivan, and M. I. Miller, ``Forming High Resolution
Images of Diffuse Radar Targets,''
*Proceedings 1988 Conference on Information Sciences and Systems*, Princeton University, Princeton, NJ, March 1988, p. 945. - J. A. O'Sullivan, ``Optimal Volterra Kernels for Nonlinear Controllers,''
*Proceedings 26th Conference on Decision and Control*, Los Angeles, December 1987, pp. 505-508. - D. L. Snyder, J. A. O'Sullivan, and M. I. Miller, ``An Estimation-Theoretic
Approach for Imaging Diffuse Radar Targets,''
*Proceedings SPIE Conference on Advanced Algorithms and Architectures for Signal Processing II*, Volume 826, San Diego, CA, August 1987. - J. A. O'Sullivan, ``Polynomial Approximation of Discrete Time Optimal Regulators,'' MTNS-87, Phoenix, AZ, June 1987.
- J. A. O'Sullivan and M. K. Sain, ``An Approximation Approach to Nonlinear Optimal Regulation,'' 1986 American Control Conference, Seattle, WA, June 1986.
- J. A. O'Sullivan and M. K. Sain, ``A Theorem on the Feedback Equivalence of
Nonlinear Systems Using Tensor Analysis,''
*Proceedings 23rd Allerton Conference on Communication, Control, and Computing*, Urbana, IL, October 1985. - J. A. O'Sullivan and M. K. Sain, ``Nonlinear Optimal Control with Tensors:
Some Computational Issues,''
*Proceedings 1985 American Control Conference*, Boston, MA, June 1985. - J. A. O'Sullivan and M. K. Sain, ``Nonlinear Feedback Design: Optimal
Responses by Tensor Analysis,''
*Proceedings 22nd Allerton Conference on Communication, Control, and Computing*, Urbana, IL, October 1984.To Top

- J. A. O'Sullivan, ``A New Wideband Radar Imaging Algorithm.''
- J. A. O'Sullivan and M. I. Miller, ``Almost Sure Convergence for Functions of Random Branching Processes''
- D. G. Porter, J. A. O'Sullivan, R. S. Indeck and M. W. Muller, ``Physically Based Model and Simulations of Medium Noise,'' Tech. Rep. WUEE-94-164, Washington University Department of Electrical Engineering, 1994.
- D. G. Porter, J. A. O'Sullivan, R. S. Indeck and M. W. Muller, ``Effective Field Equivalences in Thin Film Recording Media for Capacity Computations,'' Tech. Rep. WUEE-93-147, Washington University Department of Electrical Engineering, 1993.
- J. A. O'Sullivan, ``A Transform Approach to Radar Imaging,'' Electronic Systems and Signals Research Laboratory Research Monograph, Washington University, St. Louis, MO, July 1991.
- P. Moulin, D. L. Snyder, and J. A. O'Sullivan, ``Performance Analysis for Maximum Likelihood Spectrum Estimation of Periodic Processes from Noisy Data,'' Electronic Systems and Signals Research Laboratory Research Monograph ESSRL-88-10, Washington University, St. Louis, MO, August 1988.
- J. A. O'Sullivan and M. K. Sain, ``Volterra Expansions for Optimal Nonlinear
Controllers.''
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