Publications

Theses, books, and book chapters

1. Time Series Analysis and Signal Modeling (Studentlitteratur, to appear).
2. An Overview of NQR Signal Detection Algorithms (Springer, to appear).
3. The Emerging Field of Medicines Authentication by Nuclear Quadrupole Resonance Spectroscopy (Counterfeit Medicines Volume II: Detection, Identification and Analysis, ILM Publications, 2013).
4. Multi-pitch estimation (Morgan & Claypool, 2009). Available as paperback from various bookstores. [Matlab code]
5. Model-Based and Matched-Filterbank Signal Analysis (Ph.D. thesis)
6. Contributions to Parametric and Non-Parametric Analysis of Mixed Spectra (Tekn lic thesis).
7. The computation of a minimal basic encoding matrix using invariant factor decomposition (M.Sc. Thesis).

Journal papers

1. Computational Efficient IAA-Based Estimation of the Fundamental Frequency (to appear in IEEE Transactions on Signal Processing).
2. Computationally Efficient Sparsity-Inducing Coherence Spectrum Estimation of Complete and Non-Complete Data Sets (Elsevier Signal Processing, 2013).
3. Non-Parametric High-Resolution SAR Imaging (IEEE Transactions on Signal Processing, 2013).
4. Computationally Efficient Capon- and APES-based Coherence Spectrum Estimation (IEEE Transactions on Signal Processing, 2012) [pdf].
5. Robust and Automatic Data-Adaptive Beamforming for Multi-Dimensional Arrays (IEEE Transactions on Geoscience and Remote Sensing, 2012) [pdf].
6. Computationally Efficient Time-Recursive IAA-Based Blood Velocity Estimation (IEEE Transactions on Signal Processing, 2012) [pdf, Matlab code].
7. Superfast Approximative Implementation of the IAA Spectral Estimate (IEEE Transactions on Signal Processing, 2012) [pdf].
8. Adaptive Detection of a Partly Known Signal Corrupted by Strong Interference (IEEE Signal Processing Letters, 2011).
9. Joint Fundamental Frequency and Order Estimation using Optimal Filtering (EURASIP Journal on Advances in Signal Processing, 2011).
10. Efficient Implementation of Iterative Adaptive Approach Spectral Estimation Techniques (IEEE Transactions on Signal Processing, 2011).
11. Classification of Raman Spectra to Detect Hidden Explosives (IEEE Geoscience and Remote Sensing Letters, 2011).
12. Blood Velocity Estimation Using Ultrasound and Spectral Iterative Adaptive Approaches (Elsevier Signal Processing, May 2011). [Matlab code]
13. Time-Recursive IAA Spectral Estimation (IEEE Signal Processing Letters, February 2011).
14. Optimal Filter Designs for Separating and Enhancing Periodic Signals (IEEE Transactions on Signal Processing, December 2010).
15. Coherence Spectrum Estimation from Non-Uniformly Sampled Sequences (IEEE Signal Processing Letters, April 2010).
16. Spectral Estimation of Irregularly Sampled Exponentially Damped Sinusoids with Applications to RF Spectroscopy (Journal of Magnetic Resonance, March 2010).
17. Sinusoidal Order Estimation using Angles between Subspaces (EURASIP Journal on Advances in Signal Processing, 2009).
18. Adaptive Spectral Doppler Estimation (IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, April 2009).
19. Countering Radio Frequency Interference in Single Sensor Quadrupole Resonance (IEEE Geoscience and Remote Sensing Letters, January 2009).
20. On Optimal Filter Design for Fundamental Frequency Estimation (IEEE Signal Processing Letters, 2008).
21. Robust Multichannel Detection of Mixtures Using Nuclear Quadrupole Resonance (IEEE Transactions on Signal Processing, October 2008).
22. Robust Detection of Stochastic Nuclear Quadrupole Resonance Signals (IEEE Transactions on Signal Processing, September 2008).
23. Multi-Pitch Estimation (Elsevier Signal Processing, April 2008).
24. Frequency-Selective Robust Detection and Estimation of Multiple-Polymorph QR Signals (Elsevier Signal Processing, April 2008).
25. Robust NQR Signal Detection Allowing for Amplitude Uncertainties (IEEE Transactions on Signal Processing, March 2008).
26. Analysis of NQR Signals from Mixtures (Elsevier Signal Processing, January 2008).
27. Frequency Selective Sinusoidal Order Estimation (IET Electronic Letters, October 2007).
28. Using Spatial Diversity to Detect Narcotics and Explosives Using NQR Signals (IEEE Transactions on Signal Processing, September 2007).
29. Joint High-Resolution Fundamental Frequency and Order Estimation (IEEE Transactions on Audio, Speech and Language Processing, May 2007).
30. Estimating and Time-Updating the 2-D Coherence Spectrum (IEEE Transactions on Signal Processing, May 2007).
31. Exploiting Spin Echo Decay in the Detection of Nuclear Quadrupole Resonance Signals (IEEE Transactions on Geoscience and Remote Sensing, April 2007).
32. On the Implementation of the Linearly Constrained Minimum Variance Beamformer (IEEE Transactions on Circuits and Systems II, October 2006).
33. Study of Doubletalk Detection Performance in the Presence of Acoustic Echo Path Changes (IEEE Transactions on Consumer Electronics, May 2006).
34. Amplitude Modulated Sinusoidal Signal Decomposition for Audio Coding (IEEE Signal Processing Letters, July 2006).
35. Exploiting Temperature Dependency in the Detection of NQR Signals (IEEE Transactions on Signal Processing, May 2006).
36. On the Forward-Backward Spatial APES (Elsevier Signal Processing, April 2006).
37. Frequency Selective Detection of Nuclear Quadrupole Resonance Signals (IEEE Transactions on Geoscience and Remote Sensing, November 2005).
38. Extending the Unambiguous Velocity Range Using Multiple Carrier Frequencies (IEE Electronic Letters, October 2005).
39. Multibaseline Cross-Track SAR Interferometry Using Interpolated Arrays (IEEE Transactions on Aerospace and lectronic Systems, October 2005).
40. A Hybrid Phase-based Single Frequency Estimator (IEEE Signal Processing Letters, September 2005).
41. MIMO Frequency Selective Channels with Multiple Frequency Offsets: Estimation and Detection Techniques (IEE Proceedings on Communications, August 2005).
42. Robust Estimation of Radar Reflectivities in Multibaseline InSAR (IEEE Transactions on Aerospace and Electronic Systems, April 2005).
43. Efficient Time-Recursive Implementation of Matched Filterbank Spectral Estimators (IEEE Transactions on Circuits and Systems I: Fundamental Theory and Applications, March 2005).
44. Parameter Estimation and Equalization Techniques for Communication Channels with Multipath and Multi Frequency Offsets (IEEE Transactions on Communications, February 2005).
45. Time-Updating Discrete-Time 'Analytic' Signals (IEE Electronic Letters, February 2004).
46. Computationally Efficient Two-Dimensional Capon Spectrum Analysis (IEEE Transactions on Signal Processing, September 2000).
47. Combining Capon and APES for Estimation of Spectral Lines (Circuits, Systems, and Signal Processing, No. 2, 2000).
48. On the Identifiability of Multipath Parameters (Elsevier Signal Processing, May 1999).
49. Subspace-Based Estimation of Time Delays and Doppler Shifts (IEEE Transactions on Signal Processing, September 1998).
50. Matched-Filterbank Interpretation of Some Spectral Estimators (Elsevier Signal Processing, April 1998).
51. Cisoid Parameter Estimation in the Colored Noise Case: Asymptotic Cramer-Rao Bound, Maximum Likelihood and Nonlinear Least-Squares (IEEE Transaction of Signal Processing, August 1997).
52. Matrix Optimization Result with Applications (Digital Signal Processing - A review journal, July 1996).

Conference papers

1. Non-parametric data-dependent estimation of spectroscopic echo-train signals (38th International Conference on Acoustics, Speech, and Signal Processing, Vancouver, Canada, May 26-31, 2013).
2. Robust Fundamental Frequency Estimation in the Presence of Inharmonicity (38th International Conference on Acoustics, Speech, and Signal Processing, Vancouver, Canada, May 26-31, 2013).
3. Estimating Multiple Pitches Using Block Sparsity (38th International Conference on Acoustics, Speech, and Signal Processing, Vancouver, Canada, May 26-31, 2013).
4. Subspace-based Estimation of Symbolic Periodicities (38th International Conference on Acoustics, Speech, and Signal Processing, Vancouver, Canada, May 26-31, 2013).
5. Time-updating IAA-based Spectral Estimates with Missing Samples using data interpolation (38th International Conference on Acoustics, Speech, and Signal Processing, Vancouver, Canada, May 26-31, 2013).
6. Overcoming the Nyquist limit in blood flow velocity estimation (2012 IEEE International Ultrasonics Symposium, Dresden, October 7-10, 2012).
7. Wireless Positioning using Ellipsoidal Constraints (20th European Signal Processing Conference, Bucharest, August 27-31, 2012).
8. Efficient Time Recursive Coherence Spectrum Estimation (20th European Signal Processing Conference, Bucharest, August 27-31, 2012).
9. Computationally Efficient IAA-Based Estimation of the Fundamental Frequency (20th European Signal Processing Conference, Bucharest, August 27-31, 2012).
10. An ESPRIT-based parameter estimator for spectroscopic data (IEEE Statistical Signal Processing Workshop, Ann Arbor, August 5-8, 2012).
11. Efficient Block and Time-Recursive Estimation of Sparse Volterra Systems (IEEE Statistical Signal Processing Workshop, Ann Arbor, August 5-8, 2012).
12. Efficient Sparse Spectrum Estimation for Cognitive Radios (First IEEE International Workshop on Emerging Cognitive Radio Applications and algorithms, San Francisco, June 25, 2012).
13. Efficient Removal of Noise and Interference in Multichannel Quadrupole Resonance (45th Asilomar Conference on Signals, Systems and Computers, Pacific Grove, Nov. 6-9, 2011).
14. Robust Detection of Nuclear Quadrupole Resonance Signals in a Non-shielded Environment (European Signal Processing Conference, Barcelona, Aug. 29-Sept. 2, 2011).
15. Sparse Estimation Of Spectroscopic Signals (European Signal Processing Conference, Barcelona, Aug. 29-Sept. 2, 2011).
16. Preconditioned Conjugate Gradient IAA Spectral Estimation (European Signal Processing Conference, Barcelona, Aug. 29-Sept. 2, 2011).
17. High-Resolution Estimation of Multidimensional Spectra From Unevenly Sampled Data (17th International Conference on Digital Signal Processing, Corfu, July 6-8, 2011).
18. Efficient Implementation of the IAA-based Magnitude Squared Coherence Estimator (17th International Conference on Digital Signal Processing, Corfu, July 6-8, 2011).
19. Fast Algorithms for Iterative Adaptive Approach Spectral Estimation Techniques (36th International Conference on Acoustics, Speech and Signal Processing, Prague, May 22-27, 2011).
20. An Improved Classification Scheme for Standoff Detection of Explosives via Raman Spectroscopy (18th European Signal Processing Conference, Aalborg, August 23-27, 2010).
21. Robust Relax-based Estimation of Voigt Lineshapes (18th European Signal Processing Conference, Aalborg, August 23-27, 2010).
22. An Iterative Non-Parametric Approach to the Estimation of Polyspectra (18th European Signal Processing Conference, Aalborg, August 23-27, 2010).
23. Improved Subspace-based Frequency Estimation for Real-Valued Data using Angles between Subspaces (18th European Signal Processing Conference, Aalborg, August 23-27, 2010).
24. An Iterative Adaptive Approach for Blood Velocity Estimation Using Ultrasound (18th European Signal Processing Conference, Aalborg, August 23-27, 2010).
25. Segmented iterative approach to estimation of coherence spectrum from unevenly samples sequences (the 10th International Conference on Information Sciences, Signal Processing and their Applications, Kuala Lumpur, May 10-13, 2010).
26. Standoff Detection of Explosives and Drugs by Raman Spectroscopy (6th Singapore International Symposium On Protection Against Toxic Substances, Singapore, December 8-11, 2009).
27. Optimal Filters for Extraction and Separation of Periodic Sources (43rd Asilomar Conference on Signals, Systems, and Computers, Pacific Grove, November 1-4, 2009).
28. Computationally Efficient Online Phase-based Frequency Estimation of a Single Tone (17th European Signal Processing Conference, Glasgow, August 24-28, 2009).
29. Joint Fundamental Frequency and Order Estimation using Optimal Filtering (17th European Signal Processing Conference, Glasgow, August 24-28, 2009).
30. NQR-based Explosives Detection - An Overview (9th International Symposium on Signals, Circuits and Systems, Iasi, July 9-10, 2009).
31. Spectral Estimation of Damped Sinusoids in the Case of Irregularly Sampled Data (9th International Symposium on Signals, Circuits and Systems, Iasi, July 9-10, 2009).
32. Robust Coherence Spectrum Estimation (16th International Conference on Digital Signal Processing, Santorini, July 5-7, 2009).
33. Detection and Classification of Liquid Explosives using NMR (2009 IEEE International Conference on Acoustics, Speech and Signal Processing, Taipei, April 19-24, 2009).
34. Fast Classification of Indecent Video by Low Complexity Repetitive Motion Detection (Applied Imagery Pattern Recognition, Washington DC, October 15-17, 2008).
35. Robust Frequency-Selective Knowledge-Based Parameter Estimation for NMR Spectroscopy (2008 European Signal Conference, Lausanne, August 25-29, 2008).
36. Robust Transmit Multiuser Beamforming Using Worst Case Performance Optimization (2008 IEEE Vehicular Technology Conference, Singapore, May 11-14, 2008).
37. Robust Subspace-based Fundamental Frequency Estimation (2008 IEEE International Conference on Acoustics, Speech and Signal Processing, Las Vegas, March 30-April 4, 2008).
38. On the Reconstruction of Gapped Sinusoidal Data (2008 IEEE International Conference on Acoustics, Speech and Signal Processing, Las Vegas, March 30-April 4, 2008).
39. Detecting Stochastic Nuclear Quadrupole Resonance Signals in the Presence of Strong Radio Frequency Interference (2008 IEEE International Conference on Acoustics, Speech and Signal Processing, Las Vegas, March 30-April 4, 2008).
40. Fast Spectral Velocity Estimation Using Adaptive Techniques: In-vivo Results (2007 IEEE International Ultrasonics Symposium, New York, 28-31 October, 2007).
41. Fundamental Frequency Estimation using the Shift-Invariance Property (41st Asilomar Conference on Signals, Systems, and Computers, Pacific Grove, November 4-7, 2007).
42. Sinusoidal Order Estimation using the Subspace Orthogonality and Shift-Invariance Properties (41st Asilomar Conference on Signals, Systems, and Computers, Pacific Grove, November 4-7, 2007).
43. Efficient Algorithms for Computing the Capon and APES Filters (41st Asilomar Conference on Signals, Systems, and Computers, Pacific Grove, November 4-7, 2007).
44. Robust multi-sensor detection of polymorphic NQR signals (41st Asilomar Conference on Signals, Systems, and Computers, Pacific Grove, November 2007, invited paper).
45. Efficient Implementation of the Local Capon Spectral Estimate (2007 European Signal Conference, Poznan, September 2007).
46. Robust Detection of Polymorphic NQR Signals (2007 European Signal Conference, Poznan, September 2007).
47. Detection of Stochastic Nuclear Quadrupole Resonance Signals (15th International Conference on Digital Signal Processing, Cardiff, July 2007, invited paper).
48. Estimating the Two-Dimensional Coherence Function (2007 IEEE International Conference on Acoustics, Speech and Signal Processing, April, 2007).
49. Robust NQR Signal Detection (2007 IEEE International Conference on Acoustics, Speech and Signal Processing, April, 2007).
50. The Multi-Pitch Estimation Problem: Some Solutions (2007 IEEE International Conference on Acoustics, Speech and Signal Processing, April, 2007).
51. Adaptive Blood Velocity Estimation in Medical Ultrasound (2007 IEEE International Conference on Acoustics, Speech and Signal Processing, April, 2007).
52. Multi-Pitch Estimation using Harmonic MUSIC (40th Asilomar Conference on Signals, Systems, and Computers, October- November, 2006).
53. On the Efficient Implementation and Time-Updating of the Linearly Constrained Minimum Variance Beamformer (14th European Signal Processing Conference, September 2006).
54. Frequency Selective Detection of NQR Signals in the Presence of Multiple Polymorphic Forms (14th European Signal Processing Conference, September 2006).
55. Multi-channel Detection of Narcotics and Explosives Using NQR Signals (Fourth IEEE Workshop on Sensor Array and Multi-channel Processing, July 2006).
56. Computationally Efficient Time-Varying ISAR Imaging (IEEE International Conference on Acoustics, Speech and Signal Processing, May 2006).
57. Frequency Selective Detection of Nuclear Quadrupole Resonance Spin Echoes (SPIE Defense and Security Symposium, April 2006).
58. On the Efficient Estimation of Blood Velocities (27th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, September 2005).
59. On the Effects of Nonuniform Sampling for Interferometric Phase Estimation in the Presence of Layover (IEEE Workshop on Statistical Signal Processing, July 2005).
60. On the Efficient Frequency Estimation of a Single Tone (IEEE Workshop on Statistical Signal Processing, July 2005).
61. A Study of Doubletalk Detection Performance in the Presence of Acoustic Echo Path Changes (IEEE International Conference on Acoustics, Speech and Signal Processing, March 2005).
62. Linear AM Decomposition for Sinusoidal Audio Coding (IEEE International Conference on Acoustics, Speech and Signal Processing, March 2005).
63. Exploiting Temperature Dependency in the Detection of NQR Signals (IEEE International Conference on Acoustics, Speech and Signal Processing, March 2005).
64. Layover Solutions in Multibaseline InSAR using Interpolated Arrays (IEEE International Symposium on Signal Processing and Information Technology, December 2004).
65. On the Implementation of Adaptive Clutter Filters for Ultrasound Color Flow Imaging (Mathematics in Signal Processing, December 2004).
66. Efficient Implementation of the Time-Recursive Capon and APES Spectral Estimators (European Signal Processing Conference, September 2004).
67. A Capon-like Spatial Spectrum Estimator for Correlated Sources (European Signal Processing Conference, September 2004).
68. Subspace-based Fundamental Frequency Estimation (European Signal Processing Conference, September 2004).
69. Parameter Estimation Techniques for MIMO Frequency Selective Channels with Frequency Offsets (European Signal Processing Conference, September 2004).
70. Detection of cell-cyclic elements in mis-sampled gene expression data using a robust Capon estimator (IEEE International Conference on Acoustics, Speech and Signal Processing, May 2004).
71. Code Division Multiple Element Synthetic Aperture Transmission (SPIE Medical Imaging 2004, February 2004).
72. A Novel Velocity Estimator Using Multiple Frequency Components (SPIE Medical Imaging 2004, February 2004).
73. Cardiovascular Disease Prediction using Support Vector Machines (IEEE International Midwest Symposium on Circuits and Systems, December 2003).
74. Layover Solution in Multibaseline InSAR Using Robust Beamforming (IEEE International Symposium on Signal Processing and Information Technology, December 2003).
75. Advanced Spectral Estimation for the Identification of Cell-Cycle Regulated Genes (IEEE EMBSS UKRI Postgraduate Conference on Biomedical Engineering and Medical Physics, July 2003).
76. Weighted Subspace Fitting of Interferometric Phases for Multibaseline SAR Interferometry (Seventh International Symposium on Signal Processing and its Applications, July 2003)
77. On the Estimation of Interferometric Phases for Multibaseline SAR Interferometry using a Relaxation-Based Technique (IEEE International Conference on Acoustics, Speech and Signal Processing, April 2003).
78. Reducing Bluetooth Interference with Diversity Techniques in IEEE 802.11b Networks (5th Nordic Signal Processing Symposium, October 2002).
79. On the Efficient Implementation of the Capon Spectral Estimator (European Signal Processing Conference, September 2000).
80. Computationally Efficient 2-D Spectral Estimation (IEEE International Conference On Acoustics, Speech and Signal Processing, June 2000).
81. On the Combining of the Capon- and the APES- Spectral Estimators for Estimation of Spectral Lines (Second International Conference on Information, Communications and Signal Processing, December 1999).
82. Efficient Implementation of the 2-D Capon Spectral Estimator (33rd Asilomar Conference on Signals, Systems, and Computers, October 1999).
83. On Blind DS-CDMA Synchronization Using An Antenna Array (Radiovetenskap och Kommunikation, June 1999).
84. Spatio-temporal Processing in Wireless Communications (Radiovetenskap och Kommunikation, June 1999).
85. Burst Synchronization on Unknown Frequency Selective Channels with Co-Channel Interference Using An Antenna Array (49th Annual International Vehicular Technology Conference, May 1999).
86. A Blind Frequency Domain Method for DS-CDMA Synchronization Using Antenna Arrays (32nd Asilomar Conference on Signals, Systems, and Computers, November 1998).
87. A Time Domain Method for Joint Estimation of Time Delays, Doppler Shifts and Spatial Signatures (Ninth IEEE Signal Processing Workshop on SSAP, September 1998).
88. Capon and APES Spectrum Estimation for Real-Valued Signals (Eighth IEEE Digital Signal Processing Workshop, August 1998).
89. Resolution of Overlapping Doppler Shifted Echoes (IEEE International Conference On Acoustics, Speech and Signal Processing, May 1998).
90. On the Performance Analysis of Matched-Filterbank Spectral Estimators (31st Asilomar Conference on Signals, Systems, and Computers, November 1997).
91. Asymptotic Results for Cisoid Parameter Estimation in the Colored Noise Case (11th IFAC Symposium on System Identification, July 1997).

Patents

1. Indoor localization of mobile devices (filed April 2011).
2. Enhancing Signals (Publication No. WO 2009 118530).
3. Analysing NQR Signals in the Presence of Multiple Polymorphic Forms (Publication No. WO 2008 029119).
4. Method and System for Detection of Possibly Harmful Items (Publication No. WO 2008 008035).
5. Method of and apparatus for NQR testing (Publication No. WO 2006 064264).

Technical reports

1. Detektion av Dolda Sprängmedel (FOI-R--2314-SE, June 2007).
2. Robust NQR Signal Detection Allowing for Amplitude Uncertainties (KAU EE 2006/01).
3. Detection of Explosives and Narcotics Using Nuclear Quadrupole Resonance (EE 2005/05).
4. Novel Velocity Estimators Using Multiple Carrier Frequencies (EE 2005/04)
5. On NQR Signal Processing (EE 2005/03)
6. Statistically and Computationally Efficient Frequency Estimation of a Single Tone (EE 2005/02).
7. The Efficient Evaluation of Cholesky Factors of Centrosymmetric Matrices Using Displacement-Rank Structure (EE 2005/01).
8. Spectral Estimation of Real-Valued Signals (EE 2004/03).
9. Nonuniform Linear Array InSAR Systems: Effect of the Irregular Sampling on Interferometric Phase Estimation (EE 2004/02).
10. Layover Solution in Multibaseline InSAR Using Interpolated Arrays (CS 2004/39).

Example code

In the interest of reproducibility, some example code for the above papers can be found here:

1. Multi-pitch estimation (Morgan & Claypool, 2009). [Matlab code]
2. Computationally Efficient Time-Recursive IAA-Based Blood Velocity Estimation (to appear in IEEE Transactions on Signal Processing). [pdf, Matlab code]
3. Blood Velocity Estimation Using Ultrasound and Spectral Iterative Adaptive Approaches (Elsevier Signal Processing, May 2011). [Matlab code]

A link to my publications in LUP (Lund University Publication Database) can be found here.