PUBLICATION LIST
Bogdan Dumitrescu
Journal articles
- D.Ilie-Ablachim, B.Dumitrescu - Dictionary learning with cone atoms
and application to anomaly detection,
Applied Sciences,
vol.22, no.14, art.10082, 2024.
- A.Baltoiu, D.Ilie-Ablachim, B.Dumitrescu - Dictionary learning with cone atoms
and application to anomaly detection,
Signal Processing,
vol.219, art.109398, June 2024.
- D.Ilie-Ablachim, A.Baltoiu, B.Dumitrescu - Sparse Representation With
Gaussian Atoms and Its Use in Anomaly Detection,
IEEE Open Journal of Signal Processing,
vol.5, pp.168-176, 2024.
- A.R.Manescu, B.Dumitrescu - HyperDE: An Adaptive Hyper-Heuristic
for Global Optimization,
Algorithms,
vol.16, no.9, art.451, Sep. 2023.
- D.Ilie-Ablachim, B.Dumitrescu - Incoherent frames design and
dictionary learning using a distance barrier,
Signal Processing,
vol.209, art. 109019, Aug. 2023.
- X.Zheng, B.Dumitrescu, J.Liu, C.D.Giurcaneanu - Multivariate time
series imputation: An approach based on dictionary learning,
Entropy,
vol.24, no.8, pp.1057, July 2022.
- X.Zheng, B.Dumitrescu, J.Liu, C.D.Giurcaneanu - Dictionary learning
for signals in additive noise with generalized Gaussian distribution,
Signal Processing,
vol.195, pp.108488, June 2022.
- B.Dumitrescu, A.Baltoiu, S.Budulan - Anomaly Detection in Graphs of Bank
Transactions for Anti Money Laundering Applications,
IEEE Access,
vol.10, pp.47699-47714, 2022.
- F.I. Miertoiu, B.Dumitrescu - Sparse representation and denoising
for images affected by generalized Gaussian noise,
UPB Scientific Bulletin, series C,
vol.84, no.1, pp.75-86, 2022.
- A.Baltoiu, B.Dumitrescu - Sparse Bayesian Learning Algorithm
for Separable Dictionaries,
Digital Signal Processing,
vol.111, art.no.102990, Apr. 2021.
- K.H.Kheirollahpour, A.Mahmoudi, B.Dumitrescu - DOA Estimation in the
Autocorrelation Domain for Coprime Array,
Digital Signal Processing,
vol.110, art.no.102940, Mar. 2021.
- F.Shafiee, A.Mahmoudi, B.Dumitrescu - Linear Prediction Based
DOA Estimator in Non-Uniform Noise,
Circuits, Systems, and Signal Processing,
vol.40, no.5, pp.2494-2506, May 2021.
- F.I. Miertoiu, B.Dumitrescu - Feasibility Pump Algorithm for
Sparse Representation under Gaussian Noise,
Algorithms,
vol.13, no.4, 9 pages, art.no.88, Apr. 2020.
- B.Dumitrescu, C.D.Giurcaneanu - Adaptive-Size Dictionary Learning
Using Information Theoretic Criteria,
Algorithms,
vol.12, no.9, 13 pages, art.no. 178, Sep. 2019.
- F.I. Miertoiu, B.Dumitrescu - Feasibility Pump Algorithm for
Sparse Representation under Laplacian Noise,
Mathematical Problems in Engineering,
art.no. 5615243, 9 pages, 2019.
- F. Li, C.M. Triggs, B.Dumitrescu, C.D.Giurcaneanu - The matching pursuit
algorithm revisited: A variant for big data and new stopping rules,
Signal Processing,
vol.155, pp.170-181, Feb. 2019.
- S.Maanan, B.Dumitrescu, C.D.Giurcaneanu - Maximum Entropy
Expectation-Maximization Algorithm for Fitting Latent-Variable Graphical
Models to Multivariate Time Series,
Entropy,
vol.20, no.1, art.76, Jan. 2018.
- B.Dumitrescu - Designing Incoherent Frames With Only Matrix-Vector Multiplications,
IEEE Signal Processing Letters,
vol.24, no.9, pp.1265-1269, Sep. 2017.
- S.Maanan, B.Dumitrescu, C.D.Giurcaneanu - Conditional independence graphs for
multivariate autoregressive models by convex optimization: Efficient algorithms,
Signal Processing,
vol.133, pp.122-134, Apr. 2017.
- B.Dumitrescu, P.Irofti - Regularized K-SVD,
IEEE Signal Processing Letters,
vol.24, no.3, pp.309-313, Mar. 2017.
- T.Cioaca, B.Dumitrescu, M.Stupariu - Lazy Wavelet Simplification
Using Scale-Dependent Dense Geometric Variability Descriptors,
Control Engineering and Applied Informatics,
vol.19, no.1, pp.15-26, 2017.
- T.Cioaca, B.Dumitrescu, M.Stupariu - Combined Quadric Error Metric and Lifting
Scheme Multivariate Model Simplification,
UPB Sci. Bull.,
ser.C, vol.78, no.3, pp.51-62, 2016.
- B.Dumitrescu, B.C.Sicleru, F.Avram - Modeling probability densities with
sums of exponentials via polynomial approximation,
J. Computational and Applied Mathematics,
vol.292, pp.513-525, Jan. 2016.
- T.Cioaca, B.Dumitrescu, M.Stupariu - Graph-based Wavelet Representation
of Multidimensional Terrain Data,
Computer Graphics Forum,
vol.35, no.1, pp.44-58, Feb. 2016.
- A.Onose, B.Dumitrescu - Adaptive Randomized Coordinate Descent for
Sparse Systems: Lasso and Greedy Algorithms,
IEEE Trans. Signal Proc.,
vol.63, no.15, pp.4091-4101, Aug. 2015.
- B.Dumitrescu - On the Relation Between the Randomized Extended Kaczmarz
Algorithm and Coordinate Descent,
Bit Numerical Mathematics,
vol.55, no.4, pp.1005-1015, 2015.
- C.Rusu, B.Dumitrescu, S.A.Tsaftaris - Explicit Shift-Invariant Dictionary Learning,
IEEE Signal Processing Letters,
vol.21, no.1, pp.6-9, Jan. 2014.
- A.Onose, B.Dumitrescu - Adaptive matching pursuit using coordinate descent and
double residual minimization,
Signal Processing,
vol.93, no.11, pp.3143-3150, Nov. 2013.
- B.Dumitrescu - Sparse Total Least Squares: Analysis
and Greedy Algorithms,
Linear Algebra and Its Applications ,
vol.438, no.6, pp.2661-2674, Mar. 2013.
- B.C.Sicleru, B.Dumitrescu - POS3POLY - a MATLAB Preprocessor for
Optimization with Positive Polynomials,
Optimization and Engineering,
vol.14, no.2, pp.251-273, 2013.
- C.Rusu, B.Dumitrescu - Stagewise K-SVD to Design Efficient Dictionaries for Sparse Representations,
IEEE Signal Processing Letters,
vol.19, no.10, pp.631-634, Oct. 2012.
- B.Dumitrescu, A.Onose, P.Helin, I.Tabus - Greedy Sparse RLS,
IEEE Trans. Signal Proc.,
vol.60, no.5, pp.2194-2207, May 2012.
- C.Rusu, B.Dumitrescu - Iterative Reweighted l1 Design of Sparse FIR Filters,
Signal Processing,
vol.92, no.4, pp.905-911, Apr. 2012.
- B.C.Sicleru, B.Dumitrescu - MIMO FIR Lowpass Filter Design for
Spatially Interconnected Systems Using a Bounded Real Lemma Approach,
UPB Sci. Bull.,
ser.C, vol.73, no.3, pp.119-128, 2011.
- B.Dumitrescu, B.C.Sicleru, R.Stefan - Positive Hybrid Real-Trigonometric
Polynomials and Applications to Adjustable Filter Design and Absolute Stability Analysis,
Circuits, Systems and Signal Processing,
vol.29, no.5, pp.881-899, Oct. 2010.
- B.Dumitrescu - Delay-Independent Stabilization of Linear Discrete-Time Systems
with Uncertain Delay,
Control Engineering and Applied Informatics,
vol.12, no.2, pp.5-9, June 2010.
- B.Dumitrescu - A Moulding Technique for the Design of 2-D Nearly
Orthogonal Filter Banks,
IEEE Signal Processing Letters,
vol.17, no.3, pp.261-264, March 2010.
- B.Dumitrescu - Optimization of the Higher Density Discrete Wavelet Transform
and of its Dual Tree,
IEEE Trans. Signal Processing,
vol.58, no.2, pp.583-590, Feb. 2010.
- B.Dumitrescu, B.C.Sicleru, R.Stefan - Computing the Controllability
Radius: a Semidefinite Programming Approach,
IET Control Theory & Applications,
vol.3, no.6, pp.654-660, June 2009.
- B.Dumitrescu, R.Bregovic, T.Saram ki - Design of Low-Delay
Nonuniform Oversampled Filterbanks,
Signal Processing,
vol.88, no.10, pp.2518-2525, Oct. 2008.
- B.Dumitrescu - SDP Approximation of a Fractional
Delay and the Design of Dual-Tree Complex Wavelet Transform,
IEEE Trans. Signal Processing,
vol.56, no.9, pp.4255-4262, Sept. 2008.
- B.Dumitrescu - LMI Stability Tests for the
Fornasini-Marchesini Model,
IEEE Trans. Signal Processing,
vol.56, no.8, pp.4091-4095, Aug. 2008.
- B.Dumitrescu, I.Bayram, I.Selesnick - Optimization of Symmetric
Self-Hilbertian Filters for the Dual-Tree Complex Wavelet Transform,
IEEE Signal Processing Letters,
vol.15, pp.146-149, 2008.
- B.Dumitrescu - Comments on "Design of an Optimal
Two-Channel Orthogonal Filterbank Using Semidefinite Programming",
IEEE Signal Processing Letters,
vol.15, p.111, 2008.
- T.Roh, B.Dumitrescu, L.Vandenberghe - Multidimensional FIR Filter Design
via Trigonometric Sum-of-Squares Optimization,
IEEE J. Sel. Topics Sign. Proc.,
vol.1, no.4, pp.641-650, Dec. 2007.
- B.Dumitrescu - Positivstellensatz for Trigonometric Polynomials
and Multidimensional Stability Tests,
IEEE Trans. Circuits & Systems II,
vol.54, no.4, pp.353-356, April 2007.
- B.Dumitrescu - Trigonometric Polynomials Positive on Frequency Domains
and Applications to 2-D FIR Filter Design,
IEEE Trans. Signal Processing,
vol.54, no.11, pp.4282-4292, Nov. 2006.
- B.Dumitrescu, B.C.Chang - Robust Schur Stability with Polynomial Parameters,
IEEE Trans. Circuits & Systems II,
vol.53, no.7, pp.935-937, July 2006.
- B.Dumitrescu - Stability Test of Multidimensional Discrete-Time Systems
via Sum-of-Squares Decomposition,
IEEE Trans. Circuits & Systems I,
vol.53, no.4, pp.928-936, April 2006.
- B.Dumitrescu, R.Bregovic, T.Saram ki - Simplified Design of
Low-Delay Oversampled NPR GDFT Filterbanks,
EURASIP Journal on Applied Signal Processing,
vol. 2006, Article ID 42961, 11 pages, 2006.
- B.Dumitrescu - Bounded Real Lemma for FIR MIMO Systems,
IEEE Signal Processing Letters,
vol.12, no.7, pp.496-499, July 2005.
- B.Dumitrescu - Optimization of 2-D IIR Filters with Nonseparable and
Separable Denominator,
IEEE Trans. Signal Processing, vol.53, no.5, pp.1768-1777, May 2005.
- B.Dumitrescu, R.Niemist - Multistage IIR
Filter Design Using Convex Stability Domains Defined by Positive Realness,
IEEE Trans. Signal Processing, vol.52, no.4, pp.962-974, April 2004.
- R.Niemist , B.Dumitrescu - Simplified Procedures
for Quasi-Equiripple IIR Filter Design, IEEE Signal Processing Letters,
vol.11, no.3, pp.308-311, March 2004.
- C.Popeea, B.Dumitrescu, B.Jora - Efficient State-Space Approach for FIR Filter Bank Completion,
Signal Processing,
vol.83, no.9, pp.1973-1983, Sept. 2003.
- B.Dumitrescu, A.Petre - Model Reduction via Optimization of
Frequency Response, Control Engineering and Applied Informatics,
vol.5, no.2, pp.25-30, 2003.
- B.Dumitrescu, C.Popeea - Eigenvalue Minimization Techniques for Designing
Optimum FIR Compaction Filters, Control Engineering and Applied Informatics,
vol.5, no.1, pp.3-18, 2003.
- B.Dumitrescu, C.Popeea - Accurate Computation of Compaction
Filters with High Regularity, IEEE Signal Processing Letters,
vol.9, no.9, pp.278-281, Sept. 2002.
- R.Niemist , B.Dumitrescu, I.Tabus - SDP Design Procedure
for Near-Optimum IIR Compaction Filters,
Signal Processing,
vol.82, no.6, pp.911-924, June 2002.
- A.Vasilache, B.Dumitrescu, I.Tabus - Multiple Scale Leader Lattice
VQ with Application to LSF Quantization, Signal Processing,
vol.82, no.4, pp.563-586, April 2002.
- B.Dumitrescu - Parameterization of Positive Real Transfer Functions
with Fixed Poles, IEEE Trans. Circ. Syst. I, vol.49, no.4, pp.523-526, April 2002.
- B.Dumitrescu, B.Jora, C.Popeea, A.Serbanescu
- A Parallel 4SID Algorithm, Control Engineering and Applied Informatics,
vol.4, no.1, pp.5-18, 2002.
- B.Dumitrescu, I.Tabus, P.Stoica - On the Parameterization of
Positive Real Sequences and MA Parameter Estimation, IEEE Trans. Signal Processing,
vol.49, no.11, pp.2630-2639, Nov. 2001.
- B.Dumitrescu, I.Tabus - Predictive LSF Computation,
Signal Processing,
vol.81, no.10, pp.2019-2031, Oct. 2001.
- C.Popeea, B.Dumitrescu - Optimal Compaction Gain By Eigenvalue Minimization,
Signal Processing,
vol. 81, no.5, pp.1113-1116, May 2001.
- B.Dumitrescu, A.Serbanescu, B.Jora, C.Popeea - Positive
Systems in Mathematical Programming, Revue Roum. Sci. Techn. Electrotechn.
Energ., vol.45, no.3, pp.391-400, 2000.
- B.Dumitrescu - Improving and Estimating the Accuracy of Strassen's
Algorithm, Numerische
Mathematik, vol.79, no.4, pp. 485-499, April 1998.
- B.Dumitrescu, M.Doreille, J.L.Roch, D.Trystram - Two-Dimensional
Block Partitionings for the Parallel Cholesky Factorization,
Numerical Algorithms, vol.16, no.1, pp. 17-38, 1997.
- B.Dumitrescu - Block-Level Hammarling Algorithm is Efficient,
Revue Roum. Sci. Techn. Electrotechn. Energ.,
vol.41, no.1, pp.113-120, 1996.
- B.Dumitrescu, J.L.Roch, D.Trystram - Fast Matrix Multiplication
Algorithms on MIMD Architectures,
Parallel Algorithms and Applications, vol.4, no.2, pp.53-70, 1994.
- B.Dumitrescu - Parallel Algorithms for Elementary Tridiagonal
Systems, Studies
in Informatics and Control, vol.3, no.1, pp.119-124, 1994.
- B.Dumitrescu - Improved Parallel Partition Method,
Revue
Roum. Sci. Techn. Electrotechn. Energ., vol.38, no.4, pp. 565-570, 1993.
Patents
- R.Niemisto, R.Bregovic, B.Dumitrescu, V.Myllyla - Method and an apparatus for processing an audio signal
using noise suppression or echo suppression,
US patent 9640187, 2017
- R.Niemisto, R.Bregovic, B.Dumitrescu, V.Myllyla - A method and an apparatus for processing an audio signal,
China patent CN 102576538 B, 2015.
- R.Niemisto, J.Vartiainen, B.Dumitrescu, R.Bregovic - Audio signal processing apparatus,
US patent 9076437, 2015.
Books
- B.Dumitrescu, P.Irofti - Dictionary Learning Algorithms and Applications,
Springer, 2018.
- B.Dumitrescu - Positive Trigonometric Polynomials and
Signal Processing Applications, Springer, 2007. Second edition (revised), 2017.
- B.Dumitrescu, C.Popeea, B.Jora - Numerical Methods for Matrix
Computation. Fundamental Algorithms, ALL, Bucharest, 1998 (in Romanian).
- B.Jora, B.Dumitrescu, C.Oara - Numerical Methods, PUB,
Bucharest, 1996.
- I.Russ, B.Dumitrescu, I.Tabus, D.Petre - Modelling and Simulation,
PUB, Bucharest, 1995 (in Romanian).
- S.Calin, M.Tertisco, M.Meila-Predoviciu, B.Dumitrescu - Introduction
in Automation and Computers, PUB, Bucharest, 1992 (in Romanian).
Book chapters
- T.Cioaca, B.Dumitrescu, M.Stupariu - Graph-Based Wavelet Multiresolution Modeling
of Multivariate Terrain Data,
in L. Stankovic, E. Sedjic eds.,
Vertex-Frequency Analysis of Graph Signals,
Springer, pp.479-507, 2018
(ISBN 978-3-030-03573-0).
- B.Dumitrescu - Linear Programming and Mixed Integer Programming,
in E. Serpedin, T. Chen, D. Rajan eds.,
Mathematical Foundations for Signal Processing,
Communications, and Networking, CRC Press, pp.519-560, 2012
(ISBN 978-1439855133).
- B.Dumitrescu - Methodes de Jacobi pour l'equation algebrique
matricielle de Riccati, in J.M.Dion, D.Popescu eds., Commande Optimale,
Conception Optimisee des Systemes, Diderot, Paris, pp.201-220, 1997
(in French).
Conference papers
- T.A.Badea, B.Dumitrescu - DualGCN: A convolutional network for anomaly detection
in directed graphs based on symmetrized and skew-symmetrized Laplacians,
Proc. IEEE Int. Workshop Machine Learning in Signal Processing, London, UK, pp.1-6, Sep. 2024.
- D.C.Ilie-Ablachim, B.Dumitrescu - Angle-Based Dictionary Learning
for Outlier Detection,
Proc. IEEE Int. Conf. Signal, Control and Communication (SCC),
Hammamet, Tunisia, Dec. 2023.
- C.E.Zica, B.Dumitrescu - Online Computation of Reduced Egonet Features
for Anomaly Detection in Bank Transactions Graphs,
Proc. IEEE Int. Workshop Machine Learning in Signal Processing, Rome, Italy, pp.1-6, Sep. 2023.
- D.C.Ilie-Ablachim, B.Dumitrescu - Classification with dictionary learning
and a distance barrier promoting incoherence,
Proc. IEEE Int. Workshop Machine Learning in Signal Processing, Rome, Italy, pp.1-6, Sep. 2023.
- T.A.Badea, B.Dumitrescu - Community-Augmented Local-Link Intensity:
a score for anomaly detection in graphs,
Proc. 9th. Int. Conf. on Control, Decision and Information Technology (CoDIT), Rome, Italy,
pp.1936-1941, July 2023.
- D.C.Ilie-Ablachim, A.Baltoiu, B.Dumitrescu - Sparse representations with cone atoms,
Proc. ICASSP, Rodos, Greece, June 2023.
- A.Manescu, B.Dumitrescu - Evolutionary hyper-heuristics for improving
global optimization algorithms,
Proc. 24th. Int. Conf. on Control Systems and Computer Science, Bucharest, Romania, May 2023.
- D.C.Ilie-Ablachim, B.Dumitrescu - Reduced Kernel Dictionary Learning,
Proc. EUSIPCO, Belgrade, Serbia, pp.2006-2010, Aug. 2022.
- D.C.Ilie-Ablachim, B.Dumitrescu - Anomaly Detection with
Selective Dictionary Learning,
Proc. 8th. Int. Conf. on Control, Decision and Information Technology (CoDIT),
Istanbul, Turkey, pp.255-260, May 2022.
- F.I.Miertoiu, B.Dumitrescu - Shape Parameter and Sparse Representation Recovery
under Generalized Gaussian Noise,
EUSIPCO, Dublin, Ireland, pp.2139-2143, Aug. 2021.
- D.C.Ilie-Ablachim, B.Dumitrescu - Classification with Incoherent
Kernel Dictionary Learning,
Proc. 23th. Int. Conf. on Control Systems and Computer Science,
Bucharest, Romania, May 2021.
- X.Zheng, B.Dumitrescu, J.Liu, C.D.Giurcaneanu - On the Use of
Dictionary Learning in Time Series Imputation,
EUSIPCO, Amsterdam, The Netherlands, Jan. 2021.
- B.Dumitrescu, C.D.Giurcaneanu, Y.Ding - Identification of Vector Autoregressive Models
with Granger and Stability Constraints,
EUSIPCO, A Coruna, Spain, Sep. 2019.
- A.Baltoiu, B.Dumitrescu - Size Adaptation of Separable Dictionary Learning with
Information-Theoretic Criteria,
Proc. 22th. Int. Conf. on Control Systems and Computer Science,
Bucharest, Romania, pp.7-11, May 2019.
- P.Irofti, B.Dumitrescu - Pairwise Approximate K-SVD,
ICASSP,
Brighton, UK, pp.3677-3681, May 2019.
- F.Li, C.M.Triggs, B.Dumitrescu, C.D.Giurcaneanu - On the Number of Iterations
for the Matching Pursuit Algorithm,
EUSIPCO, Kos, Greece, pp.181-185, Sep. 2017.
- T.Cioaca, B.Dumitrescu, M.S.Stupariu - Riemannian Filters for Multi-Variate Mesh Signals,
12th Int. Conf. Computer Graphics Theory and Applications (GRAPP),
Porto, Portugal, pp.228-235, Feb. 2017.
- B.Dumitrescu, P.Irofti - Low Dimensional Subspace Finding via Size-Reducing
Dictionary Learning,
Proc. Int. Workshop Machine Learning for Signal Processing,
Salerno, Italy, Sep. 2016.
- S.Maanan, B.Dumitrescu, C.D.Giurcaneanu - Renormalized Maximum Likelihood
for Multivariate Autoregressive Models,
EUSIPCO, Budapest, Hungary, pp.150-154, Sep. 2016.
- P.Irofti, B.Dumitrescu - Overcomplete Dictionary Learning with Jacobi Atom Updates,
Proc. Int. Conf. Telecommunications Signal Processing,
Vienna, Austria, pp. 421-424, June 2016.
- P.Irofti, B.Dumitrescu - Regularized Algorithms for Dictionary Learning,
Proc. Int. Conf. Communications,
Bucharest, Romania, pp.439-442, June 2016.
- P.Irofti, B.Dumitrescu - Cosparse Dictionary Learning for the Orthogonal Case,
Proc. 19th. Int. Conf. System Theory, Control and Computers,
Cheile Gradistei, Romania, pp.343-347, Oct. 2015.
- A.Onose, B.Dumitrescu - Adaptive Cyclic and Randomized Coordinate Descent
for the Sparse Total Least Squares Problem,
EUSIPCO, Nice, France, pp.1696-1700, Sep. 2015.
- P.Irofti, B.Dumitrescu - Overcomplete Dictionary Design: the Impact
of the Sparse Representation Algorithm,
Proc. 20th. Int. Conf. on Control Systems and Computer Science,
Bucharest, Romania, pp.901-908, May 2015.
- B.Dumitrescu, C.Rusu, I.Tabus, J.Astola - Low-complexity robust DOA estimation,
ICASSP, Brisbane, Australia, pp.2794-2798, Apr. 2015.
- T.Cioaca, B.Dumitrescu, M.S.Stupariu, I.P.Stupariu, M.Naparus, I.Stoicescu,
A.Peringer, A.Buttler, F.Golay - Heuristic-driven Graph Wavelet Modeling
of Complex Terrain, Proc.SPIE 9443, Int. Conf. Graphics Image Proc.,
Beijing, China, Oct. 2014.
- A.Onose, B.Dumitrescu - Adaptive Randomized Coordinate Descent
for Solving Sparse Systems,
EUSIPCO, Lisbon, Portugal, pp.721-725, Sep. 2014.
- P.Irofti, B.Dumitrescu - GPU Parallel Implementation of the Approximate
K-SVD Algorithm Using OpenCL,
EUSIPCO, Lisbon, Portugal, pp.271-275, Sep. 2014.
- B.Dumitrescu, B.C.Sicleru - Optimization with sums of exponentials and applications,
ICASSP, Florence, Italy, pp.370-374, May 2014.
- C.Rusu, B.Dumitrescu - An initialization strategy for the dictionary learning problem,
ICASSP, Florence, Italy, pp.6731-6735, May 2014.
- A.Onose, B.Dumitrescu - Distributed Coordinate Descent Using Adaptive Matching Pursuit,
Proc. Int. Symp. Intelligent Signal Processing and Communication Systems,
Naha, Japan, pp.513-518, Nov. 2013.
- B.C.Sicleru, B.Dumitrescu - Greedy Sparse Spectral Factorization Using Reduced-Size
Gram Matrix Parameterization,
EUSIPCO, Marrakech, Morocco, Sep. 2013.
- C.Rusu, B.Dumitrescu - Block Orthonormal Overcomplete Dictionary Learning,
EUSIPCO, Marrakech, Morocco, Sep. 2013.
- P.Helin, B.Dumitrescu, J.Astola, I.Tabus - Likelihood based
combining of subband estimates for wideband DOA,
8th Int. Symp. Image and Signal Proc. Anal., Trieste, Italy, pp.320-325, Sep. 2013.
- A.Onose, B.Dumitrescu - Group Greedy RLS
Sparsity Estimation via Information Theoretic Criteria,
Proc. 19th. Int. Conf. on Control Systems and Computer Science,
Bucharest, Romania, vol.2, pp.359-364, May 2013.
- A.Onose, B.Dumitrescu - Low Complexity Approximate Cyclic Adaptive Matching Pursuit,
EUSIPCO, Bucharest, Romania, pp.2629-2633, Aug. 2012.
- B.C.Sicleru, B.Dumitrescu - Least-Squares Design of
2-D Sparse Nonseparable Filter Banks Using Transformation of Variables: A Greedy Approach,
EUSIPCO, Bucharest, Romania, pp.76-80, Aug. 2012.
- A.Onose, B.Dumitrescu - Cyclic Adaptive Matching Pursuit,
ICASSP, Kyoto, Japan, pp.3745-3748, March 2012.
- B.C.Sicleru, B.Dumitrescu - FIR Filter Optimization
with POS3POLY in CVX,
EUSIPCO, Barcelona, Spain, pp.1405-1409, Aug. 2011.
- B.Dumitrescu - Greedy Algorithms for Sparse Total Least Squares,
4th Workshop on Signal Processing with Adaptive Sparse Structured
Representations (SPARS), Edinburgh, UK, p.108, June 2011.
- A.Onose, B.Dumitrescu, I.Tabus - Sliding Window Greedy
RLS for Sparse Filters,
ICASSP, Prague, Czech Republic, pp.3916-3919, May 2011.
- A.Onose, B.Dumitrescu - Sparsity Estimation for Greedy RLS
Filters via Information Theoretic Criteria,
Proc. 18th. Int. Conf. on Control Systems and Computer Science,
Bucharest, Romania, vol.2, pp.941-946, May 2011.
- B.Dumitrescu, I.Tabus - Greedy RLS for Sparse Filters,
EUSIPCO, Aalborg, Denmark, pp.1484-1488, Aug. 2010.
- B.C.Sicleru, B.Dumitrescu - Computing the controllability radius
for higher order systems using semidefinite programming,
Math. Theory of Networks and Systems, Budapest, Hungary, July 2010.
- B.C.Sicleru, B.Dumitrescu - Least Squares Design of Three-dimensional Filter
Banks Using Transformation of Variables,
ICASSP, Dallas, USA, pp.3682-3685, March 2010.
- B.Dumitrescu - Bounded Real Lemma for Multivariate Trigonometric
Matrix Polynomials and FIR Filter Design Applications,
EUSIPCO, Glasgow, UK, Aug. 2009.
- B.C.Sicleru, B.Dumitrescu - SeDuMi Pol - a Preprocessor for
Optimization with Positive Polynomials,
Proc. 17th. Int. Conf. on Control Systems and Computer Science,
Bucharest, Romania, vol.1, pp.483-488, May 2009.
- B.Dumitrescu, B.C.Sicleru, R.Stefan - Delay-dependent stability analysis of
neutral systems using positive polynomials optimization,
IFAC Workshop Control Appl. of Optimization, Jyvaskyla, Finland, May 2009.
- B.Dumitrescu, B.C.Sicleru, R.Stefan - Minimax Design of Adjustable FIR
Filters Using 2D Polynomial Methods,
ICASSP, Taipei, Taiwan, pp.3181-3184, April 2009.
- B.Dumitrescu, H.R.Dadkhahi - Design of Higher Density Dual-Tree Wavelet Transform
with Few Degrees of Freedom,
EUSIPCO, Lausanne, Switzerland, Aug. 2008.
- B.Dumitrescu, A.B.Rad - A Method for Designing the Double-Density Dual-Tree
Discrete Wavelet Transform,
Proc. Int. TICSP Workshop on Local and Non-Local Approximation in Image Processing,
Lausanne, Switzerland, Aug. 2008.
- B.Dumitrescu, R.Stefan - Positive hybrid real-trigonometric polynomials and applications,
Math. Theory of Networks and Systems, Blacksburg, Virginia, July 2008.
- R.Bregovic, B.Dumitrescu, T.Saram ki - An Efficient Method for
Designing Low-Delay Nonuniform Oversampled M-channel Filterbanks,
5th Int. Symp. Image and Signal Proc. Anal., Istanbul, Turkey,
art.no.4383664, Sept. 2007.
- B.Dumitrescu - 2-D FIR Filter Design: What Shape is the Best?,
EUSIPCO, Poznan, Poland, Sept. 2007.
- B.Dumitrescu - SDP Approximation of the Half Delay and the Design
of Hilbert Pairs, Proc. Int. TICSP Workshop on Spectral
Methods and Multirate Signal Processing, Moscow, Russia, Sept. 2007.
- B.Dumitrescu - Optimal Design of Positive Realness Stability Domains,
Proc. 16th. Int. Conf. on Control Systems and Computer Science,
Bucharest, Romania, pp.660-662, May 2007.
- T.Roh, B.Dumitrescu, L.Vandenberghe - Interior-Point Algorithms for Sum-of-Squares
Optimization of Multidimensional Trigonometric Polynomials,
ICASSP, Honolulu, Hawaii, vol.3, pp.905-908, April 2007.
- B.Dumitrescu, R.Bregovic, T.Saram ki, R.Niemist - Low-Delay Nonuniform
Oversampled Filterbanks for Acoustic Echo Control,
EUSIPCO, Florence, Italy, Sept. 2006.
- B.Dumitrescu - Gram Pair Parameterization of Multivariate Sum-of-Squares
Trigonometric Polynomials, EUSIPCO, Florence, Italy, Sept. 2006.
- R.Bregovic, B.Dumitrescu, T.Saram ki, R.Niemist - A Kaiser Window Approach
for Designing Nonuniform Oversampled M-Channel Filterbanks, Proc. Int. TICSP Workshop on Spectral
Methods and Multirate Signal Processing, Florence, Italy, pp.15-22, Sept. 2006.
- B.Dumitrescu - Optimization with Positive Trigonometric Polynomials: a Review and
New Applications, Proc. Int. TICSP Workshop on Spectral
Methods and Multirate Signal Processing, Florence, Italy, pp.39-44, Sept. 2006.
- B.Dumitrescu - Design of 2-D FIR filters using positive trigonometric polynomials,
ICASSP, Toulouse, France, vol.3, pp.512-515, May 2006.
- B.Dumitrescu - Sum-of-Squares Polynomials and the Stability
of Discrete-Time Systems, Proc. 4th Int. Workshop on Multidimensional Systems,
Wuppertal, Germany, pp.223-228, July 2005.
- B.Dumitrescu, R.Bregovic, T.Saram ki - On An Iterative Method to
Design Oversampled GDFT Filterbanks, Proc. Int. TICSP Workshop on Spectral
Methods and Multirate Signal Processing, Riga, Latvia, pp.1-5, June 2005.
- B.Dumitrescu, R.Bregovic, T.Saram ki - Simplified Design of
Low-Delay Oversampled NPR GDFT Filterbanks, ICASSP, Philadelphia, PA,
vol.4, pp.525-528, March 2005.
- B.Dumitrescu - On the Optimization of the Tay-Kingsbury 2D Filterbank,
Proc. Int. TICSP Workshop on Spectral Methods and Multirate Signal Processing,
Vienna, Austria, pp.21-26, Sept. 2004.
- B.Dumitrescu, R.Niemist - An Iterative Reweighted Least-Squares
Algorithm for the Design of 2D IIR Filters, EUSIPCO, Vienna, Austria, pp. 133-136,
Sept. 2004.
- B.Dumitrescu - Least-Squares Optimization of 2-D IIR Filters,
Nordic Signal Proc. Symp., Espoo, Finland, June 2004.
- B.Dumitrescu - Multidimensional Stability Test Using Sum-of-Squares Decomposition,
Proc. Int. Symp. Circuits and Systems (ISCAS), Vancouver, Canada, vol.3, pp. 545-548, May 2004.
- B.Dumitrescu - 2-D Convex Stability Domain, Proc. 2nd Int. Symp. on Signals,
Circuits and Systems, Iasi, Romania, vol.2, pp. 365-368, July 2003.
- B.Dumitrescu, A.Petre - Model Reduction via Optimization of
Frequency Response, Proc. 14th. Int. Conf. on Control Systems and Computer Science,
Bucharest, Romania, vol.1, pp.65-69, July 2003.
- R.Niemist , B.Dumitrescu, S.Lichiardopol - Multistage Procedure
for Quasi-Equiripple IIR Filter Design, Nordic Signal Proc. Symp.,
Norway, Oct. 2002.
- C.Popeea, B.Dumitrescu - Covariance Matching via SDP, Proc.
Int. TICSP Workshop on Spectral Methods and Multirate Signal Processing,
Toulouse, France, pp.9-12, Sept. 2002.
- B.Dumitrescu - On Convex Stability Domain and Optimization of
IIR Filters, EUSIPCO, Toulouse, France, vol.2, pp. 191-194, Sept.
2002.
- B.Dumitrescu, I.Tabus, S.Peltonen, J.Astola, E.Dougherty - Efficient
Design of Minmax ODIF Robust Stack Filters, 6th Int. Symp. Signal Processing
and its Applications, Kuala-Lumpur, Malaysia, vol.1, pp.44-47, August
2001.
- B.Dumitrescu, C.Popeea - Fast SDP Design of FIR Compaction
Filters with Combined Constraints, 2nd Int. Symp. on Image and Signal
Processing and Analysis, Pula, Croatia, pp. 518-523, June 2001.
- R.Niemist , B.Dumitrescu, I.Tabus - Optimization of IIR Compaction
Filters with Fixed Angles Poles, 2nd Int. Symp. on Image and Signal
Processing and Analysis, Pula, Croatia, pp. 524-529, June 2001.
- B.Dumitrescu - SOPOT Implementation of Orthogonal Matrices
and Filter Banks, Int. TICSP Workshop on Spectral Methods and Multirate
Signal Processing, Pula, Croatia, pp. 173-178, June 2001.
- B.Dumitrescu, I.Tabus - SQLP Design of Factorable Nyquist Filters,
IEEE Int. Conf. on Telecommunications, Bucharest, Romania,
vol.1, pp. 399-404, June 2001.
- B.Dumitrescu, B.Jora, C.Popeea, A.Serbanescu - ScaLAPACK Implementation
of a 4SID Algorithm, Proc. 13th. Int. Conf. on Control Systems and
Computer Science, Bucharest, Romania, pp. 13-18, May 2001.
- B.Dumitrescu, B.Jora, C.Popeea - Design of FIR Paraunitary
Filter Banks with Discrete Coefficients, Proc. 13th. Int. Conf. on Control
Systems and Computer Science, Bucharest, Romania, pp. 19-24, May 2001.
- R.Niemist , B.Dumitrescu, I.Tabus - SDP Design Procedure for
Energy Compaction IIR Filters, ICASSP, Salt Lake City, Utah, vol.6,
pp. 3825-3828, May 2001.
- C.Popeea, B.Dumitrescu, B.Jora - An Efficient Algorithm for
FIR Filter Bank Completion, ICASSP, Salt Lake City, Utah,
vol.6, pp. 3629-3632, May 2001.
- B.Dumitrescu, I.Tabus - Predictive LSF Computation, EUSIPCO,
Tampere, Finland, vol.2, pp. 829-832, Sept. 2000.
- B.Dumitrescu, C.Popeea - A Low Complexity SDP Method for Designing
Optimum Compaction Filters, ICASSP, Istanbul, Turkey, vol.1,
pp. 516-519, June 2000.
- C.Popeea, B.Dumitrescu, B.Jora - A Systemic Approach to Paraunitary
Filter Bank Design, 1st Balc. Conf. Sign. Proc., Istanbul, Turkey,
June 2000.
- B.Dumitrescu, A.Serbanescu, B.Jora, C.Popeea - Positive Systems
in Mathematical Programming, Symp. "Popov type theories: present and
perspectives" , Romanian Academy, Bucharest, pp. 83-96, 1999 (in Romanian).
- B.Dumitrescu, I.Tabus - How to Deflate Polynomials in LSP Computation,
Proc. IEEE Workshop on Speech Coding, Porvoo, Finland, pp. 52-54,
June 1999.
- I.Tabus, B.Dumitrescu - A New Fast Method for Training Stack
Filters, Proc. IEEE-EURASIP Workshop on Nonlinear Signal and Image
Processing, Antalya, Turkey, vol.2, pp. 511-515, 1999.
- B.Dumitrescu, I.Tabus - A Comparison of Deflation Algorithms,
Proc. 12th. Int. Conf. on Control Systems and Computer Science,
Bucharest, Romania, vol.1, pp.402-405, May 1999.
- B.Jora, C.Popeea, B.Dumitrescu - Improvements of Rank-Revealing
Decomposition Algorithms, Proc. 12th. Int. Conf. on Control Systems
and Computer Science, Bucharest, Romania, vol.1, pp.47-52, May 1999.
- M.Doreille, B.Dumitrescu, J.L.Roch, D.Trystram - Influence
of Scheduling in High-performance Computing Applications: Sparse Cholesky
Factorization as a Case Study, Proc. of PPAM'97 - 2nd Int. Conf. on
Parallel Processing and Applied Mathematics, Zakopane, Poland, pp. 41-55,
1997.
- B.Dumitrescu, M.Doreille, J.L.Roch, D.Trystram - Two-dimensional
block partitionings for the parallel Cholesky factorization, 2me seminaire
sur les techniques nouvelles de traitement de matrices creuses pour les
problemes industriels, Lille, France, 1997.
- B.Dumitrescu - Scaling and Strassen's Algorithm, Proc.
11th. Int. Conf. on Control Systems and Computer Science,
Bucharest, Romania, vol.1, pp.152-155, May 1997.
- B.Dumitrescu - Overlapping communication in parallel
computation, Proc. 10th. Int. Conf. on Control Systems and Computer Science,
Bucharest, Romania, vol.2, pp.192-197, May 1995.
- D.Popescu, B.Dumitrescu, M.Novoselef -Algorithms and
Software for Modelling and Simulating Biotechnological Processes, Preprints
2nd Int. Symp. Biotechnologies Now and Tomorrow, Bucharest,
1994.
- A.Cheruy, D.Popescu, B.Dumitrescu, M.Novoselef - CAMBIO - Software
Product for Bioprocesses Modelling and Simulation, Preprints 2nd Int.
Symp. Biotechnologies Now and Tomorrow, Bucharest, 1994.
- B.Dumitrescu - On the Divide and Conquer Algorithm for
Solving Tridiagonal Systems, Proc. Int. Conf. Tech. Informatics (CONTI),
Timisoara, Romania, 1994.
- B.Dumitrescu - A New Parallel Solver for the Triangular
Sylvester Equation, Proc. 4th Workshop on Parallel and Distrib. Proc.,
Sofia, Bulgaria, pp. 416--425, K.Boyanov ed., Bulgarian Academy
of Sciences, 1993.
- B.Dumitrescu - Systolic arrays for level-3 BLAS, Preprints
4th Int. Symp. on Auto. Control and Comp. Science, Iasi, Romania,
pp. 425--429, 1993.
- B.Dumitrescu - Improvements for Wang partition method
on MIMD architectures, Proc. 9th Int. Conf. on Control Systems and
Computer Science, Bucharest, Romania, pp. 449-452, 1993.
- B.Dumitrescu - Elementary tridiagonal system solvers
on ring and hypercube, 9th Int. Conf. on Control Systems and Computer
Science, Bucharest, Romania, pp. 453-457, 1993.
- B.Dumitrescu, M.Tertisco - Parallelization of a Fundamental
Loop Structure, Proc. ISMM Int. Workshop Parallel Computing, Trani,
Italy, Acta Press, pp. 228-231, 1991.
- B.Dumitrescu, A.Tertisco - Parameter Estimation in Fault
Identification, Proc. 8th Int. Conf. on Control Systems and Computer
Science, Bucharest, Romania, pp. 210-213, 1991.
- D.Popescu, N.Giurescu, B.Dumitrescu, A.Tertisco - A Software
Package for Identification and Optimization, Proc. 8th Int. Conf. on
Control Systems and Computer Science, Bucharest, Romania, pp. 214-218,
1991.
Technical reports
- I.Secuiu, B.Dumitrescu, B.Jora, C.Popeea - Computerized Tomography.
Technical Report AIS 101-98, Dept. Automatic Control and Computer Science,
PUB, 1998.
- B.Dumitrescu, M.Doreille, J.L.Roch, D.Trystram - Two-dimensional
block partitionings for the parallel Cholesky factorization: the Fan-in
Algorithm. Rapport de Recherche RR-3156, INRIA, 1997.
- B.Dumitrescu, J.L.Roch, D.Trystram - Fast Matrix Multiplication
Algorithms on MIMD Architectures, Rapport Technique RT87, LMC-IMAG, 1992.