Publications of the Stochastic Systems Group (SSG) 

Adams, M.B. and Willsky, A.S. and Levy, B.C., Linear Estimation of Boundary Value Stochastic Processes -- Part I: The Role and Construction of Complementary Models. IEEE Trans. on Automatic Control Vol. 29, No. 9, pp. 803-810. Sep 1984.

Adams, M.B. and Willsky, A.S. and Levy, B.C., Linear Estimation of Boundary Value Stochastic Processes -- Part II: I-D Smoothing Problems. IEEE Trans. on Automatic Control Vol. 29, No. 9, pp. 811-821. Sep 1984.

Allen, T.G. and Luettgen, M.R. and Willsky, A.S., Multiscale Approaches to Moving Target Detection in Image Sequences. special issue of Optical Engineering, on adaptive wavelet transforms Vol. 33, No. 7, pp. 2248-2254. Jul 1994.

Athans, M. and Castanon, D.A. and Dunn, K.-P. and Greene, C.S. and Lee, W.H. and Sandell, N.R. and Willsky, A.S., The Stochastic Control of the F-8C Aircraft Using a Multiple Model Adaptive Control (MMAC) Method, Part I: Equilibrium Flight. IEEE Transactions Aut. Control Vol. 22, No.5, pp. 768-780. Oct 1977.

Basseville, M. and Benveniste, A.B. and Chou, K.C. and Golden, S.A. and Nikoukhah, R. and Willsky, A.S., Modeling and Estimation of Multiresolution Stochastic Processes. special issue of the IEEE Trans. on Inf. Theory on wavelet transforms and multiresolution signal analysis Vol. 38, No. 2, pp.766-784. Mar 1992.

Basseville, M. and Benveniste, A.B. and Willsky, A.S., Multiscale Autoregressive Processes, Part I: Schur-Levinson Parametrizations. IEEE Trans. on Signal Processing Vol. 40, No. 8, pp.1915-1934. Aug 1992.

Basseville, M. and Benveniste, A.B. and Willsky, A.S., Multiscale Autoregressive Processes, Part II: Lattice Structures for Whitening and Modeling. IEEE Trans. on Signal Processing Vol. 40, No. 8, pp.1935-1954. Aug 1992.

Belcastro, L. and Karl, W.C. and Willsky, A.S., Tomographic Reconstruction of Polygons from Knot Locations and Chord Length Measurements. Graphical Models and Image Processing Vol. 58, No. 3, pp. 233-245. May 1996.

Bello, M.G. and Willsky, A.S. and Levy, B.C., Construction and Applications of Discrete-Time Smoothing Error Models. Int'l J. Control Vol. 50, No.1 ,pp.203-223. Jul 1989.

Bello, M.G. and Willsky, A.S. and Levy, B.C. and Castanon, D.A., Smoothing Error Dynamics and Their Use in the Solution of Smoothing and Mapping Problems. IEEE Trans. Information Theory Vol. 32, No. 4, pp. 483-495. Jul 1986.

Benveniste, A. and Nikoukhah, R. and Willsky, A.S., Multiscale System Theory. IEEE Trans. on Circuits and Systems Vol. 41, pp. 2-15. Jan 1994.

Bhatia, M., Wavelet Transform-Based Multi-Resolution Techniques for Tomographic Reconstruction and Detection. .

Bhatia, M. and Karl, W.C. and Willsky, A.S., A Wavelet-Based Method for Multiscale Tomographic Reconstruction. IEEE Trans. on Medical Imaging Vol. 15, No. 1, pp. 92-101. Feb 1996.

Bhatia, M. and Karl, W.C. and Willsky, A.S., Tomographic Reconstruction and Estimation Baseed on Multiscale Natural Pixel Bases. IEEE Trans. on Image Processing Vol. 6, No. 3, pp. 463-478. Mar 1997.

Bhatia, M. and Karl, W.C. and Willsky, A.S., Using Natural Wavelet Bases and Multiscale Stochastic Models for Tomographic Reconstruction. .

Brockett, R.W. and Willsky, A.S., Finite Group Homomorphic Sequential Systems. IEEE Trans. on Automatic Control Vol. 17 No. 4 pp. 483-490. Aug 1972.

Castanon, D.A. and Levy, B.C. and Willsky, A.S., Algorithms for the Incorporation of Predictive Information in Surveillance Theory,. International Journal of Systems Science Vol. 16, No. 3, pp. 367-382. Mar 1985.

Chin, T.M., Dynamic Estimation in Computational Vision. .

Chin, T.M. and Karl, W.C. and Willsky, A.S., A Distributed and Iterative Method for Square Root Filtering in Space-Time Estimation. Automatica Vol. 31, No. 1, pp. 67-82. Jan 1995.

Chin, T.M. and Karl, W.C. and Willsky, A.S., Probabilistic and Sequential Computation of Optical Flow Using Temporal Coherence. IEEE Trans. on Image Processing Vol. 3, No. 6, pp. 773-788. Nov 1994.

Chin, T.M. and Karl, W.C. and Willsky, A.S., Sequential Filtering for Multi-Frame Visual Reconstruction. Signal Processing on Multidimensional Signal Processing Vol. 28, pp. 311-333. Aug 1992.

Chin, T.M. and Willsky, A.S., Stochastic Petri Net Modeling of Wave Sequences in Cardiac Arrhythmias. Computers and Biomed. Res. Vol. 22,pp. 136-159. Jan 1989.

Chizeck, H.J. and Willsky, A.S. and Castanon, D.A., Discrete-Time Markovian-Jump Linear Quadratic Optimal Control. Int. J. Control Vol. 43, No. 1, pp. 213-231. Jan 1986.

Chou, K.C. and Golden, S.A. and Willsky, A.S., Multiresolution Stochastic Models, Data Fusion, and Wavelet Transforms. Signal Processing Vol. 34, No. 3, pp. 257-282. Dec 1993.

Chou, K.C. and Willsky, A.S., A Multiresolution Probabilistic Approach to 2D Inverse Conductivity Problems. Signal Processing Vol. 18, No. 3, pp. 291-311. Jan 1989.

Chou, K.C. and Willsky, A.S. and Benveniste, A.B., Multiscale Recursive Estimation, Data Fusion, and Regularization. IEEE Trans. on Automatic Control Vol. 39, No. 3, pp. 464-478. Mar 1994.

Chou, K.C. and Willsky, A.S. and Nikoukhah, A.B., Multiscale Systems, Kalman Filters, and Riccati Equations. IEEE Trans. on Automatic Control Vol. 39, No. 3, pp. 479-492. Mar 1994.

Chow, E.Y. and Willsky, A.S., Analytical Redundancy and the Design of Robust Failure Detection Systems. IEEE Trans. on Automatic Control Vol. 29, No. 7, pp. 603-614. Jul 1984.

Chow, E.Y. and Willsky, A.S., Bayesian Design of Decision and Rules for Failure Detection. IEEE Trans. Aerospace and Electronic Systems Vol. 20, No. 6, pp. 761-774. Nov 1984.

Coderch, M. and Willsky, A.S. and Sastry, S.S. and Castanon, D.A., Hierarchical Aggregation of Linear Systems with Multiple Time Scales. IEEE Trans. on Automatic Control Vol. 28, No. 11, pp. 1017-1030. Nov 1983.

Coderch, M. and Willsky, A.S. and Sastry, S.S. and Castanon, D.A., Hierarchical Aggregation of Singularly Perturbed Finite State Markov Processes. Stochastics Vol. 8, No. 4, pp. 259-290. Jan 1983.

Daniel, M. and Willsky, A.S., A Multiresolution Methodology for Signal-Level Fusion and Data Assimilation with Applications in Remote Sensing. Proceedings of the IEEE on data fusion Vol. 85, No. 1, pp. 164-183. Jan 1997.

Daniel, M. and Willsky, A.S., Efficient Implementations of Two-Dimensional Noncausal IIR Filters. IEEE Trans. on Circuits and Systems II Vol. 44, No. 7, pp. 549-563. Jul 1997.

Daubechies, I. and Mallat, S. and Willsky, A.S., Introduction to the Special Issue on Wavelet Transforms and Multiresolution Signal Analysis. IEEE Trans. on Information Theory Vol. 38, No. 2, pp.529-532. Mar 1992.

Deckert, J.C. and Desai, M.N. and Deyst, J.J. and Willsky, Alan S., F8-DFBW Sensor Failure Identification Using Analytic Redundancy. IEEE Trans. Aut. Contr. Vol. 22, No. 5, pp. 795-803. Oct 1977.

Doerschuk, P.C. and Chin, T.M. and Willsky, A.S., Modeling of Cardiac Rhythms: A Signal-Processing Perspective. J. of Electrocardiology Vol. 23 pp.102-110. Jan 1990.

Doerschuk, P.C. and Gustafson, D.E. and Willsky, A.S., Upper Extremity Limb Function Discrimination Using EMG Signal Processing. IEEE Trans. on Biomedical Engineering Vol. 30, No. 1, pp. 18-29. Jan 1983.

Doerschuk, P.C. and Tenney, R.R. and Willsky, A.S., Event-Based Estimation of Interacting Markov Chains with Applications to Electrocardiogram Analysis. Int'l J. Sys. Sci. Vol. 21, No. 2, pp. 285-304. Jan 1990.

Doerschuk, P.C. and Tenney, R.R. and Willsky, A.S., Modeling Electrocardiograms Using Interacting Markov Chains. Int'l J. Sys. Sci Vol 21, No. 2, pp. 257-283. Jan 1990.

Fieguth, P.W., Application of Multiscale Estimation to Large Multidimensional Imaging and Remote Sensing Problems. .

Fieguth, P.W. and Karl, W.C. and Willsky, A.S., Efficient Multiresolution Counterparts to Variational Methods in Surface Reconstruction. .

Fieguth, P.W. and Karl, W.C. and Willsky, A.S. and Wunsch, C., Multiresolution Optimal Interpolation and Statistical Analysis of TOPEX/POSEIDON Satellite Altimetry. IEEE Trans. on Geosci. and Remote Sensing Vol. 33, No. 2, pp. 280-292. Mar 1995.

Fieguth, P.W. and Menememlis, D. and Ho, T. and Willsky, A.S. and Wunsch, C., Mapping Mediterranean Altimeter Data with Multiresolution Optimal Interpolation Algorithms. to appear in Journal of Atmospheric and Oceanic Technology .

Fieguth, P.W. and Willsky, A.S., Fractal Estimation Using Models on Multiscale Trees. IEEE Trans. on Signal Processing Vol. 44, No. 5, pp. 1297-1300. May 1996.

Fisher, J. and Ihler, A. and Viola, P., Learning Informative Statistics: A Nonparametric Approach. Neural Information Processing Systems 12. Dec 1999.

Fosgate, C.H. and Irving, W.W. and Krim, H. and Willsky, A.S. and Karl, W.C. and Chaney, R.D., Multiscale Segmentation and Anomaly Enhancement of SAR Imagery. Special Issue of the IEEE Trans. on Image Processing on Automatic Target Recognition Vol. 6, No. 1, pp. 7-20. Jan 1997.

Frakt, A.B., Multiscale Hypothesis Testing with Application to Anomaly Characterization from Tomographic Projections. 1996 International Conference on Image Processing . Jan 1996.

Frakt, A.B. and Karl, W.C. and Willsky, A.S., A Multiscale Hypothesis Testing Approach to Anomaly Detection and Localization from Tomographic Data. IEEE Transactions on Image Processing .

Gustafson, D.E. and Willsky, A.S. and Wang, J.-T. and Lancaster, M.C. and Triebwasser, J.H., ECG/VCG Rhythm Diagnosis Using Statistical Signal Analysis II: Identification of Transient Rhythms. IEEE Trans. Biomed. Eng. Vol. 25, No. 4, pp. 353-361. Jul 1978.

Gustafson, D.E. and Willsky, A.S. and Wang, J.Y. and Lancaster, M.C. and Triebwasser, J.H., ECG/VCG Rhythm Diagnosis Using Statistical Signal Analysis I: Identification of Persistent Rhythms. IEEE Trans. Biomed. Eng. Vol. 25, No. 4, pp. 344-353. Jul 1978.

Gustafson, D.E. and Willsky, A.S. and Wang,J.-Y. and Lancaster, M.C. and Triebwasser, J.H., A Statistical Approach to Rhythm Diagnosis in Cardiograms. Proc. IEEE Vol. 65, No. 5, pp. 802-804. May 1977.

Hall, M.G. and Oppenheim, A.V. and Willsky, A.S., Time-Varying Parametric Modeling of Speech. Signal Processing Vol. 5, pp. 267-285. Jan 1982.

Ho, T. and Fieguth, P.W. and Willsky, A.S., Multiresolution Stochastic Models for Efficient Solution of Large-Scale Space-Time Estimation Problems. Preceedings of the 1996 IEEE International Conference on Acoustics, Speech, and Signal Processing vol. VI, pp. 3098-4001. Jan 1996.

Ihler, A. T. and Fisher, J. W. and Moses, R. L. and Willsky, A. S., Nonparametric Belief Propagation for Self-Calibration in Sensor Networks. Information Processing in Sensor Networks (IPSN) . Apr 2004

Ihler, A. T. and Fisher, J. W. and Moses, R. L. and Willsky, A. S., Nonparametric Belief Propagation for Sensor Network Self-Calibration. Intl Conf on Acoustics, Speech, & Signal Processing (ICASSP) . May 2004

Ihler, A. T. and Fisher, J. W. and Willsky, A. S., Nonparametric Estimators for Online Signature Authentication. International Conference on Acoustics, Speech, and Signal Processing . May 2001

Ihler, A. T. and Fisher, J. W. and Willsky, A. S., Nonparametric Hypothesis Tests for Statistical Dependency. IEEE Transactions on Signal Processing . Aug 2004.

Ihler, A.T. and Fisher, J.W. and Willsky, A.S., Hypothesis Testing over Factorizations for Data Association. Information Processing in Sensor Networks . May 2003

Ihler, A.T. and Sudderth, E.B. and Freeman, W.T. and Willsky, A.S., Efficient Multiscale Sampling from Products of Gaussian Mixtures. Neural Information Processing Systems . Dec 2003.

Irving, W.W and Willsky, A.S., A Canonical Correlations Approach to Multiscale Realization. to appear in IEEE Transactions on Automatic Control .

Irving, W.W., A Multiresolution Approach to Discriminating Targets from Clutter in SAR Imagery. to appear in IEEE Trans. on Aerospace and Electronic Systems . Oct 1997.

Irving, W.W. and Fieguth, Paul W. and Willsky, A.S., An Overlapping Tree Approach to Multiscale Stochastic Modeling and Estimation. IEEE Trans. on Image Processing .

Jaggi, S. and Karl, W.C. and Willsky, A.S., Estimation of Dynamically Evolving Ellipsoids with Applications to Medical Imaging. IEEE Trans. on Med. Imaging Vol. 14, No. 2, pp. 249-258. Jun 1995.

Johnson, J.K., Estimation of GMRFs by Recursive Cavity Modeling. Master's Thesis. . Mar 2000.

Kam, P.Y. and Willsky, A.S., Estimation and Control for a Sensor Moving Along a One-Dimensional Track. International Journal of Control Vol. 31, No. 6, pp. 1147-1159. Jan 1980.

Karl, W.C. and Kulkarni, S.R. and Verghese, G.C. and Willsky, A.S., . J. of Mathematical Imaging and Vision on topology and geometry in computer vision Vol. 6, Nos. 2-3, pp. 249-267. Jun 1996.

Karl, W.C. and Verghese, G.C., A Sufficient Condition for the Stability of Interval Matrix Polynomials. .

Karl, W.C. and Verghese, G.C. and Lang, J., Control of Vibrational Systems. .

Karl, W.C. and Verghese, G.C. and Willsky, A.S., Reconstructing Ellipsoids from Projections. CVGIP: Graphical Models and Image Processing Vol. 56, No. 2, pp. 124-139. Mar 1994.

Kaufhold, J. and Schneider, M.K. and Karl, W.C. and Willsky, A.S., A Statistical Approach to Segmentation of MRI Imagery. .

Kim, A.J., Hierarchical Stochastic Modeling for Multiscale Segmentation and Compression of SAR Imagery. MIT Masters Thesis . Jun 1997.

Kim, A.J. and Krim, A.H. and Willsky, A.S., Segmentation Directed SAR Image Compression via Hierarchical Stochastic Modeling. Proc. of the SPIE Wavelet Applications IV -- Aerosense. Feb 1997.

Kim, A.J. and Krim, A.H. and Willsky, A.S., Segmentation and Compression of SAR Imagery via Hierarchical Stochastic Modeling. ICIP 1997 . Oct 1997.

Krim, H. and Brooks, D.H., Feature-based segmentation of ECG signals. .

Kurkjian, A.L. and Gershwin, S.B. and Houpt, P.K. and Willsky, A.S. and Chow, E.Y. and Greene, C.S., Estimation of Roadway Traffic Density on Freeways Using Presence Detector Data. Transportation Sciences Vol. 14, No. 3, pp. 232-261. Aug 1980.

Kwong, R.H.-S. and Willsky, A.S., Estimation and Filter Stability of Stochastic Delay Systems. SIAM J. Control and Optimization Vol. 16, No. 4, pp. 660-681. Jul 1978.

Kwong, R.H.-S. and Willsky, A.S., Optimal Filtering and Filter Stability of Linear Stochastic Delay Systems. IEEE Trans. Aut. Control Vol. 22, No. 2, pp. 196-201. Apr 1977.

Learned, R.E. and Krim, H. and Claus, B. and Willsky, A.S. and Karl, W.C., Convergence Study of an Iterative Joint Detector for Wavelet Packet Multiple-Access Communication. .

Learned, R.E. and Krim, H. and Claus, B. and Willsky, A.S. and Karl, W.C., Wavelet-Packet-Based Multiple Access Communication. .

Learned, R.E. and Mallat, S. and Claus, B. and Willsky, A.S., Geometric Interpretation of Multiaccess Joint Detection and the Alternating Projection Algorithm. .

Learned, R.E. and Willsky, A.S., A Wavelet-Packet Approach to Transient Signal Classification. Applied Computational and Harmonic Analysis Vol. 2, No. 3, pp. 256-278. Jan 1995.

Learned, R.E. and Willsky, A.S., Examination of wavelet packets for over-saturated multiple access communications. .

Learned, R.E. and Willsky, A.S. and Boroson, D.M., Low Complexity Optimal Joint Detection for Oversaturated Multiple Access Communications. IEEE Trans. on Signal Processing Vol. 45, No. 1, pp. 113-123. Jan 1997.

Lele, A.S. and Kulkarni, S.R. and Willsky, A.S., Convex-Polygon Estimation from Support-Line Measurements and Applications to Target Reconstructions from Laser-Radar Data. J. of Optical Soc. of America A Vol. 9, No. 10, pp. 1693-1714. Oct 1992.

Levy, B.C. and Adams, M.B. and Willsky, A.S., Solution and Linear Estimation of 2-D Nearest-Neighbor Models. special issue of Proc. of the IEEE on multidimensional signal processing Vol. 78, No. 4, pp.627-641. Apr 1990.

Levy, B.C. and Castanon, D.A.and Verghese, G.C. and Willsky, A.S., A Scattering Framework for Decentralized Estimation Problems. Automatica Vol. 19, No. 4, pp. 373-384. Jan 1983.

Lo, J.T. and Willsky, A.S., Estimation for Rotational Processes with One Degree of Freedom I: Introduction and Continuous Time Processes. IEEE Trans. on Automatic Control Vol. 20, pp. 10-21. Feb 1975.

Lo, J.T. and Willsky, A.S., Stochastic Control of Rotational Processes with One Degree of Freedom. SIAM Journal on Control Vol. 13, No. 4, pp. 886-898. Jul 1975.

Lou, X.C. and Verghese, G.C. and Willsky, A.S. and Coxson, P.G., Conditions for Scale-Based Decompositions in Singularly Perturbed Systems. Linear Algebra and Its Appl. Vol. 98, pp. 387-413. Jan 1988.

Lou, X.C. and Willsky, A.S. and Verghese, G.C., Algebraic Approach to Time Scale Analysis of Singularly Perturbed Linear Systems. International J. of Control Vol. 47, No. 1. Jan 1988.

Lou, X.C. and Willsky, A.S. and Verghese, G.C., Optimally Robust Redundancy Relations for Failure Detection in Uncertain Systems. Automatica Vol. 22, No. 3, pp. 333-344. Jan 1986.

Luettgen, M. and Karl, W.C. and Willsky, A.S. and Tenney, R.R., Multiscale Representation of Markov Random Fields. special issue of the IEEE Trans. on Signal Processing on Wavelet Transforms Vol. 41, No. 12, pp. 3377-3396. Dec 1993.

Luettgen, M.R., Image Processing with Multiscale Stochastic Models. .

Luettgen, M.R. and Karl, W.C. and Willsky, A.S., Efficient Multiscale Regularization with Applications to the Computation of Optical Flow. IEEE Trans. on Image Processing Vol. 3, No. 1, pp. 41-64. Jan 1994.

Luettgen, M.R. and Willsky, A.S., Likelihood Calculations for a Class of Multiscale Stochastic Models, with Application to Texture Discrimination. IEEE Trans. on Image Processing Vol. 4, No. 2, pp. 194-207. Feb 1995.

Luettgen, M.R. and Willsky, A.S., Multiscale Smoothing Error Models. IEEE Trans. on Aut. Cont. Vol. 40, No. 1, pp. 173-175. Jan 1995.

Marcus, S.I. and Willsky, A.S., Algebraic Structure and Finite Dimensional Nonlinear Estimation. SIAM J. Math. Anal. Vol. 9,No. 2, pp. 312-327. Apr 1978.

Marcus, S.I. and Willsky, A.S. and Hsu, K., The Use of Harmonic Analysis for Suboptimal Estimator Design. IEEE Trans. Aut. Control Vol. 23, No. 5, pp. 911-916. Oct 1978.

Massoumnia, M.A. and Verghese, G.C. and Willsky, A.S., Failure Detection and Identification. IEEE Trans. on Aut. Control Vol. 34, No.3, pp.316-321. Mar 1989.

Menememlis, D. and Fieguth, P.W. and Wunsch, C. and Willsky, A.S., A Fast Optimal Interpolation Algorithm for Mapping Hydrographic and Other Oceanographic Data. .

Mier-Muth, A.M. and Willsky, A.S., A Sequential Method for Spline Approximation with Variable Knots. International J. of System Science Vol. 9, No. 9, pp. 1055-1067. Sep 1978.

Milanfar, P., Geometric Estimation and Reconstruction From Tomographic Data. .

Milanfar, P. and Karl, W.C. and Willsky, A.S., A Moment-Based Variational Approach to Tomographic Reconstruction. IEEE Trans. on Image Proc. Vol. 5, No. 3, pp. 459-470. Mar 1996.

Milanfar, P. and Karl, W.C. and Willsky, A.S., Reconstructing Binary Polygonal Objects from Projections: A Statistical View. CVGIP: Graphical Models and Image Processing Vol. 56, No. 5, pp. 371-391. Sep 1994.

Milanfar, P. and Karl, W.C. and Willsky, A.S., Reconstructing Parameterized Objects from Projections: A Statistical View. .

Milanfar, P. and Verghese, G.C. and Karl, W.C. and Willsky, A.S., Reconstructing Polygons from Moments with Connections to Array Processing. IEEE Trans. on Sig. Proc. Vol. 43, No. 2, pp. 432-443. Feb 1995.

Miller, E.L. and Willsky A.S., Wavelet-based methods for the nonlinear inverse scattering problem using the extended Born approximation. Radio Science Vol. 31, No. 1, pp. 51-56. Jan 1996.

Miller, E.L. and Willsky, A.S., A Multiscale Statistically-Based Inversion Scheme for the Linearized Inverse Scattering Problem. IEEE Trans. on Geoscience and Remote Sensing Vol. 34, No. 2, pp. 346-357. Mar 1996.

Miller, E.L. and Willsky, A.S., A multiscale approach to sensor fusion and the solution of linear inverse problems. Applied and Computational Harmonic Analysis Vol. 2, pp. 127-147. Jan 1995.

Miller, E.L. and Willsky, A.S., Multiscale Statistical Anomaly Detection Analysis and Algorithms for Linearized Inverse Scattering Problems. special issue of Multidimensional Systems and Signal Processing on wavelets and multiresolution analysis, Multidimensional Systems and Signal Processing Vol 8, No. 1/2, pp. 151-184.

Moroney, P. and Willsky, A.S. and Houpt, P.K., Roundoff Noise and Scaling in the Digital Implementation of Control Compensators. IEEE Trans. on Acoustics, Speech, and Signal Processing Vol. 31, No. 6, pp. 1464-1477. Dec 1983.

Moroney, P. and Willsky, A.S. and Houpt, P.K., The Digital Implementation of Control Compensators: The Coefficient Wordlength Issue. IEEE Trans.Aut. Control Vol. 25, No. 4, pp. 621-630. Aug 1980.

Nikoukhah, R. and Adams, M.B. and Willsky, A.S. and Levy, B.C., Estimation for Boundary-Value Descriptor Systems. Circuits, Systems, and Sig. Proc. Vol. 8, No. 1, pp. 25-48. Apr 1989.

Nikoukhah, R. and Levy, B.C. and Willsky, A.S., Realization of Acausal Weighting Patterns with Boundary-Value Descriptor Systems. SIAM J. Control and Opt. Vol. 29, No. 2, pp. 420-444. Mar 1991.

Nikoukhah, R. and Levy, B.C. and Willsky, A.S., Stability, Stochastic Stationarity and Generalized Lyapunov Equations for Two-Point Boundary-Value Descriptor Systems. IEEE Trans. on Aut. Control Vol. 34, No. 11, pp.1141-1152. Nov 1989.

Nikoukhah, R. and Taylor, D. and Levy, B.C. and Willsky, A.S., Graph structure and recursive estimation of noisy linear relations. J. of Math. Syst. Est., and Cont. Vol. 5, No. 4, pp 1-37. Jan 1995.

Nikoukhah, R. and Willsky, A.S. and Levy, B.C., Boundary-Value Descriptor Systems: Well-Posedness, Reachability, and Observability. Int'l. J. of Control Vol. 46, No. 5, pp. 1715-1737. Jan 1987.

Nikoukhah, R. and Willsky, A.S. and Levy, B.C., Kalman Filtering and Riccati Equations for Descriptor Systems. IEEE Trans. on Automatic Control Vol. 37, No. 9, pp.1325-1342. Sep 1992.

Nikoukhah, R. and Willsky, A.S. and Levy, B.C., Reachability, Observability, Minimality, and Extendibility for Two-Point Boundary-Value Descriptor Systems. Int'l. J. of Control Vol. 54, No. 3, pp. 635-663. Jan 1991.

Nikoukhah, R. and Willsky, A.S. and Levy, B.C., Reachability, Observability, and Minimality for Shift-Invariant Two-Point Boundary-Value Descriptor Systems. special issue of Circuits, Systems, and Signal Processing on singular systems Vol. 8, No. 3, pp. 313-340. Jan 1989.

Oppenheim, A.V. and Willsky, A.S. and Nawab, S.H., Signals and Systems. Prentice-Hall, Inc.Englewood Cliffs, NJ August.

Oppenheim, A.V. and Willsky, A.S. and Young, I.T., Signals and Systems. Prentice-Hall, Inc. Englewood Cliffs, NJ November.

Ozveren, C.M. and Verghese, G.C. and Willsky, A.S., Asymptotic Orders of Reachability in Perturbed Linear Systems. IEEE Trans. on Automatic Control Vol. 33, No. 10, pp. 915-923.. Oct 1988.

Ozveren, C.M. and Willsky, A.S., Aggregation and Multi-Level Control in Discrete Event Dynamic Systems. Automatica Vol. 28, No. 3, pp. 565-577. May 1992.

Ozveren, C.M. and Willsky, A.S., Invertibility of Discrete Event Dynamic Systems. Math. of Control, Signals, and Systems Vol. 5, No. 4, pp.365-390.

Ozveren, C.M. and Willsky, A.S., Observability of Discrete Event Dynamic Systems. IEEE Trans. on Aut. Control Vol. 35, No. 7, pp. 797-806. Jul 1990.

Ozveren, C.M. and Willsky, A.S., Output Stabilizability of Discrete-Event Dynamic Systems. IEEE Trans on Aut. Control Vol. 36, No. 8, pp. 925-935. Aug 1991.

Ozveren, C.M. and Willsky, A.S., Tracking and Restrictability in Discrete Event Dynamic Systems. SIAM J. Control and Opt. Vol. 30, No. 6,pp. 1423-1426. Nov 1992.

Ozveren, C.M. and Willsky, A.S. and Antsaklis, P.J., Stability and Stabilizability of Discrete Event Dynamic Systems. Journal of the ACM Vol. 38, No.3 ,pp. 730-752. Jul 1991.

Prince, J.L. and Willsky, A.S., A Geometric, Projection-Space Reconstruction Algorithm. special issue of Linear Algebra and Its Applications on reconstruction from partial information Vol. 130, pp.151-191. Jan 1990.

Prince, J.L. and Willsky, A.S., Constrained Sinogram Restoration for Limited Angle Tomography. Optical Engineering Vol. 29, No. 5, pp. 535-544. May 1990.

Prince, J.L. and Willsky, A.S., Convex Set Reconstruction Using Prior Shape Information. Comp. Vision, Graphics, and Image Proc.: Graphical Models and Image Processing Vol. 53, No. 5, pp. 413-427. Sep 1991.

Prince, J.L. and Willsky, A.S., Hierarchical Reconstruction Using Geometry and Sinogram Restoration. IEEE Transactions on Image Processing Vol. 2, No. 3, pp. 401-416. Jul 1993.

Prince, J.L. and Willsky, A.S., Reconstructing Convex Sets from Support Line Measurements. IEEE Trans. on Patt. Anal. and Mach. Intel. Vol. 12, No. 4 pp.377-389. Apr 1990.

Rohlicek, J.R. and Willsky, A.S., Multiple Time Scale Decomposition of Discrete Time Markov Chains. Sys. and Cont. Letters Vol. 11,pp. 309-314. Jan 1988.

Rohlicek, J.R. and Willsky, A.S., The Reduction of Perturbed Markov Generators: An Algorithm Exposing the Role of Transient States. Journal of the ACM Vol. 35, No. 3,pp.675-696. Jul 1988.

Rossi, D.J. and Willsky, A.S., Reconstruction from Projections Based on Detection and Estimation of Objects -- Part I: Performance Analysis. IEEE Trans. on Acoustics, Speech, and Signal Processing Vol. 32, No. 4, pp. 886-897. Aug 1984.

Rossi, D.J. and Willsky, A.S., Reconstruction from Projections Based on Detection and Estimation of Objects -- Part II: Robustness Analysis. IEEE Trans. on Acoustics, Speech, and Signal Processing Vol. 32, No. 4, pp. 897-906. Aug 1984.

Rossi, D.J. and Willsky, A.S. and Spielman, D.M., Object Shape Estimation from Tomographic Measurements -- A Performance Analysis. Signal Processing Vol. 18, 198, pp. 63-87. Jan 1989.

Rougee, A. and Levy,B.C. and Willsky, A.S., An Estimation-Based Approach to the Reconstruction of Optical Flow. IEEE Trans. on Path. Anal. and Mach. Intel. .

Schneider, M. and Fieguth, P.W. and Karl, W.C. and Willsky, A.S., Multiscale Methods for the Segmentation of Images. 1996 IEEE International Conference on Acoustics, Speech, and Signal Processing Atlanta, GA. Jan 1996.

Schneider, M., Multiscale Methods for the Segmentation of Images. .

Sudderth, E.B. and Ihler, A.T. and Freeman, W.T. and Willsky, A.S., Nonparametric Belief Propagation. LIDS Technical Report #2551. Aug 2002.

Tewfik, A.H. and Levy, B.C. and Willsky, A.S., An Efficient Maximum Entropy Technique for 2-D Isotropic Random Fields. IEEE Trans. on Acoustics, Speech, and Sig. Proc. Vol., 36, No. 5,pp.791-811. May 1988.

Tewfik, A.H. and Levy, B.C. and Willsky, A.S., An Eigenstructure Approach for the Retrieval of Cylindrical Harmonics. Signal Processing Vol. 13, pp.121-139. Sep 1987.

Tewfik, A.H. and Levy, B.C. and Willsky, A.S., Internal Models and Recursive Estimation for 2-D Isotropic Random Fields. IEEE Trans. on Information Theory Vol. 37, No. 4, pp. 1055-l066. Jul 1991.

Tewfik, A.H. and Levy, B.C. and Willsky, A.S., Parallel Smoothing. Systems and Control Letters Vol. 14, pp.253-259. Apr 1990.

Tewfik, A.H. and Levy, B.C. and Willsky, A.S., Sampling Theorems for 2-D Isotropic Random Fields. IEEE Trans. on Inf. Theory Vol. 34, No. 5, pp.1092-1096. Sep 1988.

Wall, J.E. and Willsky, A.S. and Sandell, N.R., On the Fixed-Interval Smoothing Problem. Stochastics Vol. 5, No. 1 and 2, pp. 1-41. Jan 1981.

Washburn, R.B. and Willsky, A.S., Optional Sampling of Submartingales Indexed by Partially-Ordered Sets. Annals of Probability Vol. 9, No. 6, pp. 957-970. Jan 1981.

Weiss, A.J. and Willsky, A.S. and Levy, B.C., Eigenstructure Approach fovvr Array Processing with Unknown Intensity Coefficients. IEEE Trans. Acoustics, Speech, and Sig. Proc. Vol. 36, No. 10, pp.1613-1617. Oct 1988.

Weiss, A.J. and Willsky, A.S. and Levy, B.C., Maximum Likelihood Array Processing for the Estimation of Superimposed Signals. Proc. of the IEEE Vol. 76, No. 2,pp.203-205. Feb 1988.

Weiss, A.J. and Willsky, A.S. and Levy, B.C., Nonuniform Array Processing Via the Polynomial Approach. IEEE Trans. on Aerospace and Electronic Systems Vol. 25, No. 1, pp.48-55. Jan 1989.

Willsky, A.S., A Survey of Design Methods for Failure Detection in Dynamic Systems. Automatica Vol. 12, pp. 601-611. Nov 1976.

Willsky, A.S., Challenges to Control in Signal Processing and Communication. IEEE Control Systems Magazine Vol. 7, pp.3-6. Apr 1987.

Willsky, A.S., Digital Signal Processing and Control and Estimation Theory--Points of Tangency, Areas of Intersection, and Parallel Directions. The M.I.T. Press Cambridge, MA. Jun 1979.

Willsky, A.S., Estimation and Detection of Signals in Multiplicative Noise. IEEE Trans. on Information Theory Vol. 21, pp. 472-474. Jul 1975.

Willsky, A.S., Fourier Series and Estimation on the Circle with Application to Synchronous Communication II: Implementation. IEEE Trans. on Information Theory Vol. 20, No. 5, pp. 584-590. Sep 1974.

Willsky, A.S., Fourier Series and Estimation on the Circle with Applications to Synchronous Communication I: Analysis. IEEE Trans. on Information Theory Vol. 20, No. 5, pp. 557-583. Sep 1974.

Willsky, A.S., Invertibility of Finite Group Homomorphic Sequential Systems. Information and Control Vol. 27, No. 2, pp. 126-147. Feb 1975.

Willsky, A.S., On the Algebraic Structure of Certain Partially Observable Finite-State Markov Processes. Information and Control Vol. 38, No. 2, pp. 179-212. Aug 1978.

Willsky, A.S., On the Invertibility of Linear Systems. IEEE Trans. on Automatic Control Vol. 19, No. 3, pp. 272-274. Jun 1974.

Willsky, A.S., Relationships Between Digital Signal Processing and Control and Estimation Theory. Proc. IEEE Vol. 66, No. 9., pp. 996-1017. Sep 1978.

Willsky, A.S., Some Solutions, Some Problems, and Some Questions. IEEE Control Systems Magazine Vol. 2, pp. 4-16. Sep 1982.

Willsky, A.S. and Bello, M.G. and Castanon, D.A. and Levy, B.C. and Verghese, G.C., Combining and Updating of Local Estimates and Regional Maps Along Sets of One-Dimensional Tracks. IEEE Trans. Aut. Control Vol. 27, No. 4, pp. 799-813. Aug 1982.

Willsky, A.S. and Chow, E.Y. and Gershwin, S.B and Greene,C.S. and Houpt, P.K. and Kurkjian, A.L., Dynamic Model-Based Techniques for the Detection of Incidents of Freeways. IEEE Trans. Aut. Control Vol. 25, No. 3, pp. 347-360. Jun 1980.

Willsky, A.S. and Deyst, J.J. and Crawford B.S., Two Self-Test Methods Applied to an Inertial System Problem. Journal of Spacecraft and Rockets Vol. 12, No. 7, pp. 434-437. Jul 1975.

Willsky, A.S. and Jones, H.L., A Generalized Likelihood Ratio Approach to the Detection and Estimation of Jumps in Linear Systems. IEEE Trans. on Automatic Control Vol. 21, pp. 108-112. Feb 1976.

Willsky, A.S. and Lo, J.T., Estimation for Rotational Processes with One Degree of Freedom II: Discrete Time Processes. IEEE Trans. on Automatic Control Vol. 20, No. 1, pp. 22-30. Feb 1975.

Willsky, A.S. and Lo, J.T., Estimation for Rotational Processes with One Degree of Freedom III: Implementation. IEEE Trans. on Automatic Control Vol. 20, No. 1, pp. 31-33. Feb 1975.

Willsky, A.S. and Marcus, S.I., Analysis of Bilinear Noise Models in Circuits and Devices. J. Franklin Inst. Vol. 301, pp. 103-122. Jan 1976.

Willsky, A.S. and Marcus, S.I. and Martin, D.N., On the Stochastic Stability of Linear Systems Containing Colored Multiplicative Noise. IEEE Trans. on Automatic Control Vol. 20, pp. 711-713. Oct 1975.

Willsky, A.S. and Sandell, N.R., The Stochastic Analysis of Dynamic Systems Moving Through Random Fields. IEEE Trans. Aut. Control Vol. 27, No. 4, pp. 830-838. Aug 1982.