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List of publications
Journal Papers and Book Chapters
24. R.Balan, Z.Landau, Measure Functions for Frames, Journal of Functional Analysis, 252 (2007), 630-676,
.pdf, DOI
23. R.Balan, A Noncommutative Wiener Lemma and A Faithful Tracial State on
Banach Algebra of Time-Frequency Operators, , Trans.Amer.Math.Soc., vol.
360, no. 7, (2008) 3921-3941 TAMS site,
.pdf or .pdf
(ESI preprint)
22. R.Balan, P.Casazza, D.Edidin, Equivalence of Reconstruction from the Absolute
Value of the Frame Coefficients to a Sparse Representation Problem, IEEE
Sig. Proc. Letters vol.14, no.5 (2007), 341-343
.pdf
21. F.Meshkati, V.Poor, S.Schwartz, R.Balan, Energy-Efficient Resource Allocation
in Wireless Networks with Quality-of-Service Contraints, to appear in IEEE Trans.
on Communications (2008) .pdf
20. R.Balan, P.Casazza, D.Edidin, G.Kutyniok, A New Identity for Parseval
Frames, Proc. Amer. Math. Soc., 135 (2007), 1007-1015 .pdf
ref
19. R.Balan, P.Casazza, C.Heil, Z.Landau, Density, Overcompleteness, and
Localization of Frames. II Gabor Frames, J.Fourier Anal. Applic., Vol.12, No.3,
(2006) 309-344 .pdf
ref
18. R.Balan, P.Casazza, C.Heil, Z.Landau, Density, Overcompleteness, and
Localization of Frames. I Theory, J.Fourier Anal. Applic., Vol.12, No.2, (2006)
105-143, .pdf
ref
17. R.Balan, P.Casazza, D.Edidin, On Signal Reconstruction
without Noisy Phase, Appl. Comp. Harm. Anal., 20 (2006) 345-356
.pdf
ref
16. S.Rickard, R.Balan, V.Poor, S.Verdu, Canonical time-frequency,
time-scale, and frequency-scale representations of time-varying channels, J. Comm. Infor. Syst.
vol.5, no.5 (2005) 1-30 .pdf
15. R.Balan, J.Rosca, S.Rickard, Equivalence Principle for Optimization of
Sparse versus Low-Spread Representations for Signal estimation in Noise, International Journal in Imaging Systems and
Technology vol.15, no.1, (2005) 10-17 .pdf
14. R.Balan, P.Casazza, C.Heil, Z.Landau, Excesses of Gabor Frames, Appl.
and Comp. Harm. Anal., vol. 14, (2003) 87-106 .pdf
ref
13. R.Balan, P.Casazza, C.Heil, Z.Landau, Deficits and Excesses of Frames,
Advances and Computational Mathematics, vol. 18, (2003) 93-116
.pdf
12. R.Balan, I.Daubechies, Optimal Stochastic Approximations and Encoding
Schemes using Weyl-Heisenberg Sets, chapter in "Gabor Analysis: Theory and
Applications", Eds. H.Feichtinger and T.Strohmer, Birkhauser 2002
.pdf
11. R.Balan, I.Daubechies, V.Vaishampayan, The Analysis and Design of
Windowed Fourier Frame based Multiple Description Source Coding Schemes, in
IEEE Trans.on IT, vol.46, no.7, (2000) 2491-2537 .pdf
10. R.Balan, G.Taubin, 3D Mesh Geometry Filtering Algorithms for Progressive
Transmission Schemes, Computer-Aided Design, vol.32, no.13, (2000) 825-846
.pdf
ref
9. R.Balan, Density and Redundancy of the Noncoherent Weyl-Heisenberg
Superframes, Contemporary Mathematics , AMS Providence R.I. (1999)
.pdf
8. R.Balan, Equivalence Relations and Distances between Hilbert Frames,
Proceedings of the AMS, vol.127 no.8, (1999) 2353-2366 .pdf
7. R.Balan, Extensions of No-Go Theorems to Many Signal Systems,
Contemporary Mathematics 216, AMS Providence R.I. (1998), 3-14
.pdf
6. R.Balan, An Uncertainty Inequality for Wavelet Sets, Applied and
Computational Harmonic Analysis, Vol.5, no.1, (1998) 106-108 .pdf
ref
5. R.Balan, Stability Theorems for Fourier Frames and Wavelet Riesz Bases,
Journal of Fourier Analysis and Applications, Vol.3, no.5, (1997), 499-504
.pdf
4. R.Balan, Horseshoe and Analytic Nonintegrability of a Spinless
Axialsymmetric Rigid Body in Central Newtonian Field, Celestial Mechanics
and Dynamics Astronomy, vol.63 (1995), 59-79 .pdf
3. R.Balan, D.Aur, An On-Line Robust Stabilizer, Journal in Guidance,
Control and Dynamics, (18) no.3, (1995), 642-644 .pdf
2. R.Balan, Homogeneous Polynomial Approximations of Nonlinear Control
Systems, Revue Roumaine de Science Techniques, serie Electrotechnique et
Energetique, (39) no.4, (1994), 503-511 .pdf
1. R.Balan, A Note about Integrability of Distributions with Singularities,
Bollettino U.M.I. (7) 8-A (1994), 335-344 .pdf
Peer Reviewed Conference Proceedings
36. R.Balan, Estimator for Number of Sources using a Minimum Description Length Criterion
for Blind Sparse Source Mixtures, ICA 2007, London, UK, September 2007
.pdf
35. R.Balan, B.G.Bodmann, P.G.Casazza, D.Edidin, Fast Algorithms for Signal Reconstruction
without Phase, SPIE Wavelets Applications in Signal and Image Processing XII, San Diego
Aug. 2007 .pdf
34. R.Balan, B.G.Bodmann, P.G.Casazza, D.Edidin, Painless Reconstruction from Magnitudes
of Frame Coefficients, SPIE Wavelets Applications in Signal and Image Processing XII, San Diego
Aug. 2007 .pdf
33. R.Balan, J.Rosca, MAP Source Separation using Belief Propagation Networks,
40th Asilomar Conf. on Signals, Systems and Computers, Pacific Grove, CA, October 2006
.pdf
32. F.Meshkati, H.V.Poor, S.C.Schwartz, R.Balan, Energy-Efficient Power
and Rate Control with QoS Constraints: A Game-Theoretic Approach, Int. Wireless
Comm. Mobile. Comp. (IWCMC) Conf. 2006 - Cross-Layer Design and Protocols, Vancouver,
Canada, July 2006 .pdf
31. R.Balan, J.Rosca, Source Separation using Sparse Discrete Prior Models,
ICASSP 2006, Toulouse, France, May 2006 .pdf
30. R.Balan, J.Rosca, Source Convolutive Demixing with Sparse Discrete Prior Models
for Markov Sources, ICA 2006, Charleston SC USA, May 2006
.pdf
29. N.Fan, J.Rosca, R.Balan, Speaker Identification with Combined Threshold
Identification Front-End & UBM, 4th IEEE Workshop on Automatic Identification
Advanced Technology (AutoID 2005), Buffalo NY 2005 .pdf
28. P.Casazza, R.Balan, D.Edidin, G.Kutyniok, Decomposition of frames and a new
frame identity in SPIE Wavelets Applications in Signal and Image Processing
XI, vol.5914 , (2005)
27. R.Balan, P.Casazza, C.Heil, Z.Landau, Excess of Parseval frames in
SPIE Wavelets Applications in Signal and Image Processing XI, vol.5914 , (2005)
.pdf
26. R.Balan, P.Casazza, D.Edidin, On Signal Reconstruction from absolute
value of frame coefficients in SPIE Wavelets Applications in Signal and
Image Processing XI, vol.5914 , (2005) .pdf
25. B.Grundlehner, J.Lecocq, R.Balan, J.Rosca, Performance Assessment Method for
Speech Enhancement Systems, SPS-DARTS 2005, Antwerp, Belgium, April 2005
.pdf
24. N.Fan, R.Balan, J.Rosca, Comparison of Wavelet and FFT based Single
Channel Speech Signal Noise Reduction Techniques, in Proceedings of SPIE
Industrial Applications of Wavelets Conference 2004, Philadelphia, PA, October
2004 .pdf
23. R.Balan, H.V.Poor, S.Rickard, S.Verdu, Time-Frequency and Time-Scale
Canonical Representations of Doubly Spread Channels, in Proceedings of
EUSIPCO 2004, Vienna, Austria, September 2004 .pdf
22. L.Hong, J.Rosca, R.Balan,
Bayesian Single Channel Speech Enhancement Exploiting Sparseness in the ICA
Domain, in Proceedings of EUSIPCO 2004, Vienna, Austria, September 2004
.pdf
21. R.Balan, J.Rosca, C.Beaugeant, V.Gilg, T.Fingscheidt, Generalized
Stochastic Principle for Microphone Array Speech Enhancement and Applications to
Car Environments, in Proceedings of EUSIPCO 2004, Vienna, Austria, September
2004 .pdf
20.
J.Rosca, C.Borss, R.Balan, Generalized Sparse Signal Mixing Model and
Application to Noisy Blind Source Separation, in Proceedings of ICASSP 2004,
Montreal, Canada, May 2004 .pdf
19. S.Rickard, C.Fearon, R.Balan, J.Rosca, MINUET: Musical Interference
Unmixing estimation Technique, in Proceedings of CISS 2004, Princeton NJ,
March 2004 .pdf
18. J.Rosca, R.Balan, C.Beaugeant, Multi-Channel Psychoacoustically Motivated
Speech Enhancement, in Proceedings of ICASSP 2003, Hong Kong China, April
2003 .pdf
17. R.Balan, J.Rosca, S.Rickard, Scalable Non-Square BSS in the Presence of
Noise, in Proceedings of ICASSP 2003, Hong Kong China, April 2003
.pdf
16. J.Rosca, R.Balan, S.Rickard, Scalable Audio Source Separation in the
Presence of Noise, in Proceedings of DAGA 2003, Aachen, Germany, June 2003
15. R.Balan, J.Rosca, S.Rickard, Non-square BSS under Coherent Noise by
Beamforming and Time-Frequency Masking, in Proceedings of ICA 2003, Nara
Japan, April 2003 .pdf
14. S.Rickard, R.Balan, J.Rosca, Blind Source Separation based on
Space-Time-Frequency Diversity, in Proceedings of ICA 2003, Nara Japan,
April 2003 .pdf
13. R.Balan, J.Rosca, S.Rickard, A Stochastic Speech Model Supporting
W-Disjoint Orthogonality, in Proceedings of 2003 CISS, Baltimore MD, March
2003 .pdf
12. J.Rosca, R.Balan, N.Fan, C.Beaugeant, V.Gilg, Multichannel Voice
Detection in Adverse Environments, in Proceedings of EUSIPCO 2002, Toulouse
FRANCE, September 2002 .pdf
11. R.Balan, J.Rosca, Microphone Array Speech Enhancement by Bayesian
Estimation of Spectral Amplitude and Phase, in Proceedings of IEEE Sensor
Array and Multichannel Signal Processing Workshop, Rosslyn VA, Aug. 2002
.pdf
10. S.Aalburg, C.Beaugeant, S.Stan, T.Fingscheidt, R.Balan, J.Rosca, Single-
and Two-Channel Noise Reduction For Robust Speech Recognition in Car, in
Proceedings of ISCA Workshop, GERMANY, June 2002
.pdf
9. R.Balan, J.Rosca, S.Rickard, Robustness of Parametric Source Demixing in
Echoic Environments, in the Proceedings of the 3rd ICA and BSS Conference,
San Diego, CA, December 2001 .pdf
8. J.Rosca, N.Fan, R.Balan, Real-Time Audio Source Separation by Delay and
Attenuation Compensation in the Time Domain, in the Proceedings of the 3rd
ICA and BSS Conference, San Diego, CA, December 2001 .pdf
7. S.Rickard, R.Balan, J.Rosca, Real-Time Time-Frequency Based Blind Source
Separation, in the Proceedings of the 3rd ICA and BSS Conference, San Diego,
CA, December 2001 .pdf
6. J.Rosca, S.Sudarsky, R.Balan, D.Comaniciu, Mobile Interaction with Remote
Worlds: The Acoustic Periscope, in the Proceedings of IJCAI 2001
.pdf
5. R.Balan, J.Rosca, Statistical Properties of STFT Ratios for Two Channel
Systems and Applications to Blind Source Separation, in the Proceedings of
2nd ICA and BSS Conference 2000, Helsinki, FINLAND, June 2000
.pdf
4. R.Balan, Topological Obstructions to Localization Results in SPIE
Wavelets Applications in Signal and Image Processing VIII, vol. 4478, (2001)
184-192 .pdf
3. R.Balan, Multiplexing of Signals using Superframes in SPIE Wavelets
Applications in Signal and Image Processing VIII, vol.4119 , (2000) 118-129
.pdf
2. R.Balan, J.Rosca, S.Rickard, J.O’Ruanaidh, The Influence of Windowing on
Time Delay Estimates, in the Proceedings of the CISS 2000, Princeton NJ,
March 15-17 2000 .pdf
1. R.Balan, A.Jourjine, J.Rosca, AR processes and sources can be
reconstructed from degenerate mixtures, in the Proceedings of the First
International Workshop on Independent Component Analysis and Signal Separation,
Aussois France, January 11-15 1999, 467-472 .pdf (see
also TR 703 below)
Patents
1. Separation of AR Sources from their
Single Channel Measurement, US Patent # 6,343,268, January 29, 2002
2,3.Optimal ratio estimator for multisensor systems, US Patent # 6,577,966,
June 10, 2003, and US Patent # 6,868,365, Mar 15, 2005
4. Method of denoising signal mixtures, US Patent # 6,901,363, May 31, 2005
5. Online Blind Source Separation”, US Patent # 6,954,494, October 11, 2005
6,7. Method and Apparatus for Noise Filtering, US Patent # 6,952,482, October 4,
2005, and US Patent # 7,110,944, September 19, 2006
8. Apparatus and Method for Estimating the Direction of Arrival of a Source
Signal using a Microphone Array, US Patent # 7,084,801, August 1, 2006
9. Real-Time Audio Source Separation by Delay and Attenuation Compensation
in the Time Domain, US Patent # 7,088,831, August 8, 2006
10. Multichannel voice detection in adverse environments, US Patent# 7,146,315,
December 5, 2006
11. System and method for remotely experiencing a virtual environment,
US Patent# 7,149,691, December 12, 2006
12. Multi-channel speech enhancement system and method based on psychoacoustic masking effects, US Patent# 7,158,933,
January 2, 2007
13. System and Method for Adaptive Multi-Sensor Arrays, US Patent# 7,218,741,
May 15, 2007
14. Method for eliminating an unwanted signal from a mixture via time-frequency masking, US Patent# 7,302,066,
November 27, 2007
Other Reports/Papers in Preparation
6. R.Balan, J.Rosca, A Spectral Power Factorization, Siemens Corporate
Research TR 703 2001 .pdf
5. R.Balan, Multiframes and Multi Riesz Bases: I. The General Theory and Weyl-Heisenberg
Case, Princeton University 1997 .ps
4.
R.Balan, V.Ionescu, Absolute Stability Criteria for Nonlinear Affine Systems:
A Kalman-Yakubovick-Popov Type Approach, University "Politechnica" of
Bucharest 1996 .pdf
3. R.Balan, Robustness Properties of Nonlinear Systems: Absolute Stability of
Linear Systems, University "Politehnica" of Bucharest, 1996
.pdf
2. R.Balan, An Extension of Barbashin-Krasovski-LaSalle Theorem to a Class of
Nonautonomous Systems, Princeton University, 1995
.pdf
1. R.Balan, Codistributions with Singularities, Polytechnic Institute of
Bucharest, 1992 .pdf
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