SAM Publications (1994-2004)

1.       Rui Liao, M. McKeown, and J. Krolik, ''An Information-Theoretic Criterion for Intra-subject Alignment of FMRI Time Series: Motion-Corrected Independent Component Analysis (MCICA)'', accepted to IEEE Trans. on Medical Imaging, July, 2004 (in press).

2.       V. Varadarajan and J.L. Krolik, "Array Shape Estimation and Tracking Using Active Sonar Reverberation", IEEE Trans. on Aerospace and Electronic Systems, pp. 1073-1086, July 2004.

3.       G. Hickman and J.L. Krolik, ''Matched-field depth estimation for active sonar'', Journal of the Acoustical Society of America, Vol. 115, no. 2, pp. 620-629.February 2004.

4.       S. Kraut, R. Anderson, and J.L. Krolik, ''A generalized Karhunen-Loeve Basis for efficient estimation of tropospheric refractivity using radar clutter'', IEEE Trans. on Signal Processing, Volume 52 , Issue: 1, Pages:48-60, January 2004.

5.       R. Anderson, S. Kraut, J.L. Krolik, ''Robust altitude estimation for over-the-horizon radar using a state-space multipath fading model'', IEEE Trans. on Aerospace and Electronic Systems, January, Volume: 39 , Issue 1, pp 192-201, January, 2003.

6.       P. Gerstoft, L. Ted Rogers, J. L. Krolik, and W.S. Hodgkiss, ''Inversion for refractivity parameters from radar sea clutter'' Radio Science, vol 38, no. 3, April 2003.

7.       S. L. Tantum, L.W. Nolte, J.L. Krolik, and Kerem Harmanci, ''The performance of matched-field track-before detect methods using shallow-water Pacific data'' J. of the Acoustical Society of America, vol 112, no. 1, pp. 119ff, July, 2002.

8.       R. Anderson and J. L. Krolik, ''Track association for over-the-horizon radar with a statistical ionospheric model'', IEEE Trans. on Signal Processing, Vol 50, no 11, pp 2632-2643., November, 2002.

9.       K. Harmanci, J. Krolik, and J. Tabrikian, ''On the relationship between adaptive minimum variance beamforming and optimal source localization'', IEEE Trans. on Signal Processing, vol. 48, no.1, pp. 1-12, January, 2000.

10.   J. Tabrikian and J. Krolik, ''Barankin bounds for source localization in an uncertain ocean environment, IEEE Trans. on Signal Processing, vol. 47, no. 11, pp. 2917-2927, November 1999.

11.   J. Tabrikian and J. Krolik, ''Theoretical performance limits on tropospheric refractivity estimation using point-to-point microwave measurements'', IEEE Trans. on Antennas and Propagation, vol. 47, no. 11, pp. 1727- 1734, November 1999.

12.   M. Papazoglou and J. Krolik, ''Matched-field estimation of aircraft altitude from multiple over-the- horizon radar revisits'', IEEE Trans. on Signal Processing, vol. 47, no. 4, pp. 966-976, April 1999.

13.   R. H. Anderson and J. Krolik, ''Over-the-horizon radar target localization using a hidden Markov model estimated from ionosonde data'', Radio Science, vol. 33, no. 4, pp. 1199-1213, July-August, 1998.

14.   E. Gelenbe, H. Harmanci, and J. Krolik, ''Learning neural networks for detection and classification of synchronous recurrent transient signals'', Signal Processing, vol. 64, no. 3, pp. 233-47, February, 1998.

15.   J. Krolik and R.H. Anderson, ''Maximum likelihood coordinate registration for over-the-horizon radar'', IEEE Trans. on Signal Processing, vol. 64, no. 3, pp. 945-959, April, 1997.

16.   S. Czensak and J. Krolik, ''Robust wideband matched-field processing with a short vertical array'', J. Acoustical Soc. of America, vol. 101, no.2, p. 749-59, February, 1997.

17.   J. Tabrikian, J. Krolik, and H. Messer, ''Robust maximum likelihood source localization in an uncertain shallow-water waveguide'', J. Acoustical Soc. of America, vol. 101, no. 1, pp. 241-249, January, 1997.

18.   M. Papazoglou and J. Krolik, ''High resolution adaptive beamforming for three dimensional acoustic imaging of zooplankton'', J. Acoustical Society of America, vol. 100, no. 6, pp. 3621-30, December, 1996.

19.   J. Krolik, ''The performance of matched-field beamformers with Mediterranean vertical array data'', IEEE Trans. on Signal Processing, vol. 44, no. 10, pp. 2605-2611, October, 1996.

20.   J. Krolik and S. Narasimhan, ''Performance bounds on acoustic thermometry of ocean climate in the presence of mesoscale sound-speed variability'', J. Acoustical Society of America, vol. 99, no. 1, pp. 254-265, January, 1996.

21.   S. Narasimhan and J. Krolik, ''Fundamental limits on acoustic source range estimation performance in uncertain ocean channels'', J. Acoustical Society of America, vol. 97, no. 1, pp. 215-226, January 1995.

22.   J-Y Liu and J. Krolik, ''The spatial correlation of rough seabed scattering of surface-generated ambient noise'', J. Acoustical Society of America, vol. 96, no. 5, Pt. 1, pp 2876-2886, November 1994.

23.   J. Shorey, L. Nolte, and J. Krolik, ''Computationally-efficient Monte Carlo estimation algorithms for matched-field processing in uncertain ocean environments'', J. of Computational Acoustics, vol. 2, no. 3, pp. 285-314, September 1994.

24.   G. Niezgoda and J. Krolik, ''A multiple time-scale modularized adaptive beamformer'', IEEE Trans. on Signal Processing, vol. 42, no. 5, pp. 1251-1256, May 1994.

25.   J. Krolik, ''Sensor array processing performance evaluation via bootstrap resampling'',
J. Acoustical Society of America, vol. 95, no. 2, pp. 798-804, February 1994.

26.   J. Krolik and D.N. Swingler, ''On the mean-square error performance of adaptive minimum variance beamformers based on the sample covariance matrix'', IEEE Trans. on Signal Processing, vol. 42, no. 2, pp. 445-448, February 1994.

1.   V. Varadarajan and J.L. Krolik, ''Joint space-time interpolation for distorted linear and bistatic array geometries'', submitted to IEEE Trans. on Signal Processing, July, 2004.

2.   Dehong Liu, et.al. (including J Krolik and L. Carin), ''Electromagnetic time-reversal imaging of a target in a cluttered environment'', submitted to IEEE Trans. on Antennas and Propagation, August 2004.

3.   R. Liao, M. McKeown, J. Krolik, ''Isolation and minimization of head motion-induced signal variations in fMRI data using independent components'', submitted to IEEE Trans. On Medical Imaging, June, 2003.

4.  Y. Wang and J. Krolik, ''Track-before-detect processing for surface ship surveillance with over-the-horizon radar'' submitted to IEEE Trans. on Aerospace and Electronic Systems, currently under revision.

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1.   J. Krolik, ''SSAP with computational acoustic and electromagnetic models'', in Highlights of Statistical Signal and Array Processing (SSAP), Alfred Hero, editor, IEEE Signal Processing Magazine, vol. 15, no.5, pp. 51-54, September 1998.

1.   V. Varadarajan and J.L. Krolik, ''Model-based space-time adaptive processing for active sonar'' Proc. of the 38th IEEE Asilomar Conference on Signals, Systems, and Computers, Monterey, CA, November, 2004.

2.   R. Liao, M. J. McKeown, J. L. Krolik, ''Motion corrected independent component analysis for robust functional magnetic resonance imaging'', Proc. the IEEE International Conf. on Acoustics, Speech, and Signal Processing, (ICASSP '04), Montreal, May 2004.

3.   R. Liao, M. M.J. McKeown, and J.L. Krolik, ''Isolation and minimization of effects of motion on fMRI using multiple reference images, to appear Proc. of IEEE Int. Symposium on Biomedical Imaging, Washington, April 2004.

4.    O. Kazanci, D. Ramakrishnan, and J.L. Krolik, ''Beamforming arrays with faulty sensors in dynamic environments'' Proc. of the 12th Annual Workshop on Adaptive Sensor Array Processing, MIT Lincoln Laboratory, March, 2004.

5.   J. L. Krolik, P. Book, S. Kraut, ''In situ detection performance assessment of a sonar array when the signal wavefront and noise covariance are uncertain'', Proc. of Sensor Array and Multichannel Signal Processing Workshop, Barcelona, July 2004.

6.   V. Varadarajan and J. L. Krolik, ''Space-time interpolation for adaptive arrays with limited training data'', Proc. of the IEEE International Conf. on Acoustics, Speech, and Signal Processing, (ICASSP '03) Vol. 5 , April 2003.

7.   S. Kraut and J.L. Krolik, ''Passive source localization in the presence of near-endfire interference'', Proc. of the 37th IEEE Asilomar Conference on Signals, Systems, and Computers, Monterey, CA, November, 2003.

8.   V. Varadarajan and J.L. Krolik, ''Joint space-time interpolation for bistatic STAP'', Proc. of the 37th IEEE Asilomar Conference on Signals, Systems, and Computers, Monterey, CA, November, 2003.

9.    V. Gadwal and J.L. Krolik, ''A performance evaluation of autoregressive clutter mitigation methods with over-the-horizon radar data'', Proc. of the 37th IEEE Asilomar Conference on Signals, Systems, and Computers, Monterey, CA, November, 2003.

10.   V. Varadarajan and J.L. Krolik, ''Array shape tracking using active sonar reverberation'', Proc. of the 11th Annual Workshop on Adaptive Sensor Array Processing, MIT Lincoln Laboratory, March, 2003.

11.   R. Liao, M. McKeown, J. Krolik, ''Movement correction of FMRI time-series using intrinsic statistical properties of images: an independent component analysis approach'', 2002 IEEE International Symposium on Biomedical Imaging, pp. 765-768, Washington, D.C. July, 2002.

12.   Vasudevan, S.; Anderson, R.; Krolik, J.L.,  ''MAP sequence estimation of microwave refractivity from radar clutter via a particle filtering implementation of the Viterbi algorithm'', 2002 IEEE International Conference on Acoustics, Speech, and Signal Processing. Proceedings, April 2002

13.   Ramakrishnan, D. and J. Krolik, ''Spread-Doppler Clutter Mitigation for OTH Radar by Physics-Assisted Adaptive Processing, Proc. of the URSI General Assembly Meeting, Maastricht, Holland, July, 2002.

14.   S. Kraut and J. Krolik, ''Passive localization in range-rate of shallow-water moving targets, by sequential importance sampling'' 2002 IEEE International Conference on Acoustics, Speech, and Signal Processing. Proceedings, April 2002.

15.   S. Kraut and J. Krolik, ''Suppression of Moving Interference with SIS-based Projections, in Shallow-Water Environments'', Proc. IEEE Sensor Array and Multichannel signal processing workshop, Washington, August, 2002.

16.   V. Varadarajan and J. Krolik, ''Sensor Array Shape Estimation Using Active Sonar Clutter'', Proc. IEEE Sensor Array and Multichannel signal processing workshop, Washington, August, 2002.

17.   S. Vasudevan, R. Anderson, and J. Krolik, ''MAP Sequence Estimation of Microwave Refractivity from Radar Clutter via a Particle Filtering Implementation of the Viterbi Algorithm'' Proc. of IEEE Intl. Conf. On Acoustics, Speech, and Signal Processing, Orlando, Florida, May 13-17, 2002.

18.   S. Kraut and J. Krolik, ''Passive Localization in Range-Rate of Shallow-Water Moving Targets, by Sequential Importance Sampling'', Proc. of IEEE Intl. Conf. On Acoustics, Speech, and Signal Processing, Orlando, Florida, May 13-17, 2002.

19.   V. Varadarajan and J.L. Krolik ''Multichannel System Identification Methods for Sensor Array Calibration in Uncertain Multipath Environments'', Proc. of the Statistical Signal Processing Workshop, Singapore, August 2001.

20.   R. Anderson, S. Vasudevan, J.L. Krolik, and L.T. Rogers, ''Maximum A Posteriori Refractivity Estimation from Radar Clutter using a Markov Model for Microwave Propagation'', Proc. Intl. Geoscience and Remote Sensing Symposium, Sydney Australia, July 2001.

21.   S. Vasudevan and J.L. Krolik ''Refractivity Estimation from Radar Clutter by Sequential Importance Sampling with a Markov Model for Microwave Propagation'', Proc. of IEEE Intl. Conf. On Acoustics, Speech, and Signal Processing, Salt Lake City, Utah, May 7-11, 2001.

22.   R. Anderson. S. Kraut, and J.L. Krolik ''Robust Altitude Estimation for Over-the-Horizon Radar Using a State-Space Model for Multipath Fading'', Proc. of IEEE Intl. Conf. On Acoustics, Speech, and Signal Processing, Salt Lake City, Utah, May 7-11, 2001.

23.   S. Kraut, R. Anderson, and J.L. Krolik, ''Passive Differential Matched-field Depth Estimation for Moving Acoustic Sources, Proc. of the Ninth Annual Adaptive Sensor Array Processing Workshop, MIT Lincoln Laboratory, Lexington, MA, March, 2001.

24.   S. Kraut and J. Krolik, '' Application of maximal invariance to the ACE detection problem'', Proc. of 34th Asilomar Conf. on Signals, Systems, and Computers, Pacific Grove, CA. October, 2000.

25.   K. Harmanci and J. Krolik, ''Adaptive Temporal Processing for Equatorial Spread Doppler Clutter Suppression'' Proc. IEEE Int. Conf. on Acoustics, Speech, and Signal Processing, Istanbul, Turkey, vol. V, pp. 3041-3044, July, 2000.

26.   J. Krolik, S. Vasudevan, J. Tabrikian, and L.T. Rogers, ''The Performance of Surface Duct Parameter Estimation from Radar Sea Clutter'', Proc. Millennium Conference on Antennas and Propagation, AP2000, in Davos, Switzerland, April, 2000.

27.   G. Hickman and J. Krolik, ''Space-time matched-field depth estimation for active sonar'' Proc. of the Eighth Annual Adaptive Sensor Array Processing Workshop, MIT Lincoln Laboratory, Lexington, MA, March, pp. 97-102, 2000.

28.   S. Kraut, K. Harmanci, and J. Krolik, ''Over the horizon spread-Doppler clutter mitigation using STAP techniques'', Proc. IEEE Sensor Array and Multichannel Signal Processing Workshop, Cambridge, MA, March, 2000.

29.   R. Anderson and J. Krolik, "Multipath Track Association for Over-the-Horizon Radar with a Bootstrapped Statistical Ionospheric Model," Proc. 33rd Asilomar Conference on Signals, Systems, and Communications, Asilomar, Pacific Grove, CA, October 1999 (invited).

30.   J.L. Krolik, J. Tabrikian, S. Vasudevan, and L.T. Rogers, ''Using radar sea clutter to estimate refractivity profiles associated with the capping inversion of the marine atmospheric boundary layer'', Proc. Intl. Geoscience and Remote Sensing Symposium, Hamburg Germany, July 1999.

31.   J. Tabrikian, J.L. Krolik, and S. Vasudevan, ''Estimating refractivity parameters from radar sea clutter'', Proc. Sixth IEEE Signal Processing Workshop on Higher Order Statistics, Cesaria Israel, June 1999.

32.   R. Anderson, J.L. Krolik, and M. Papazoglou, ''Over-the-horizon skywave radar target localization'', Proc. Seventh Annual Adaptive Sensor Array Processing Workshop, MIT Lincoln Laboratory, pp. 105-110, March 1999.

33.   M. Papazoglou and J. Krolik, ''Estimation of aircraft altitude and altitude-rate with over-the-horizon radar'', Proc. IEEE Int. Conf. on Acoustics, Speech, and Signal Processing, Phoenix, 1999.

34.   K. Harmanci and J. Krolik, ''Matched-window processing for mitigating over-the-horizon radar spread Doppler clutter'', Proc. IEEE Int. Conf. on Acoustics, Speech, and Signal Processing, Phoenix, 1999.

35.   J. Tabrikian and J. Krolik, ''Efficient computation of the Bayesian Cramer-Rao Bound on estimating parameters of Markov models'', Proc. IEEE Int. Conf. on Acoustics, Speech, and Signal Processing, Phoenix, 1999.

36.   K. Harmanci, J. Tabrikian, and J. Krolik, ''Maximum likelihood track-before-detect beamforming with Swellex data'', Proc. 16th Intl. Congress on Acoustics, vol. 2, pp. 1331-1332, June 1998.

37.   M. Papazoglou and J. Krolik, ''Multi-dwell matched-field altitude estimation for over-the-horizon radar'', Proc. IEEE Int. Conf. on Acoustics, Speech, and Signal Processing, Seattle, vol. 4, pp. 2533- 2536, May 1998.

38.   R. Anderson and J. Krolik, ''The performance of maximum likelihood over-the-horizon radar coordinate registration'', Proc. IEEE Int. Conf. on Acoustics, Speech, and Signal Processing, Seattle, vol. 4, pp 2481-2484, May 1998.

39.   J. Krolik and J. Tabrikian, ''Tropospheric refractivity estimation using radar clutter from the sea surface'', Proc. 1997 Battlespace Atmospheric Conference, pp. 635-642, December 1997.

40.   J. Tabrikian and J. Krolik, ''Barankin bound for source localization in shallow water'', Proc. IEEE Int. Conf. on Acoustics, Speech, and Signal Processing, vol. 1, pp. 499-502, April, 1997.

41.   K. Harmanci and J. Krolik, ''Robust beamformer weight design for broadband matched-field processing, Proc. IEEE Int. Conf. on Acoustics, Speech, and Signal Processing, vol. 1, pp 471-474, April, 1997.

42.   M. Papazoglou and J. Krolik, ''Electromagnetic matched-field processing for target height-finding with over-the-horizon radar, IEEE Int. Conf. on Acoustics, Speech, and Signal Processing, vol. 1, pp 559-562, April 1997.

43.   J. Krolik, ''Robust matched-field beamforming with benchmark shallow-water acoustic array data'', Proc. IEEE Int. Conf. on Acoustics, Speech, and Signal Processing, Atlanta, May, 1996.

44.   J. Tabrikian, J. Krolik, H. Messer, ''Robust maximum likelihood source localization by exploiting predictable acoustic modes'' Proc. IEEE Int. Conf. on Acoustics, Speech, and Signal Processing, Atlanta, May, 1996.

45.   S. Narasimhan and J. Krolik, ''Source range estimation performance bounds in a random shallow- water channel'' Proc. 15th International Congress on Acoustics, Trondheim, Norway, vol. 1, pp. 293-296, June 1995.

46.   J. Krolik and S. Narasimhan, ''A Cramer-Rao bound on acoustic thermometry of ocean climate in the presence of mesoscale sound-speed variability'', Proc. IEEE Int. Conf. on Acoustics, Speech, and Signal Processing (special session on Underwater and Acoustic SP), Detroit, vol. 5, pp. 2771-2774, May, 1995.

47.   S. Narasimhan and J. Krolik, ''A Cramer-Rao lower bound on source range estimation performance in a random ocean waveguide'', Proc. of the IEEE Workshop on Statistical Signal and Array Processing, Quebec City, Canada, pp 309-312, June, 1994.