Bogdan Dumitrescu

ORCID

Publication Activity (10 Years)

Years Active: 1994-2024
Publications (10 Years): 49

Top Venues

Publications

Andra Baltoiu, Denis C. Ilie-Ablachim, Bogdan Dumitrescu
Dictionary learning with cone atoms and application to anomaly detection. Signal Process. 219 (2024)
Denis C. Ilie-Ablachim, Bogdan Dumitrescu
Anomaly Detection with Selective Dictionary Learning. CoRR (2023)
Denis C. Ilie-Ablachim, Andra Baltoiu, Bogdan Dumitrescu
Sparse Representations with Cone Atoms. ICASSP (2023)
Denis C. Ilie-Ablachim, Bogdan Dumitrescu
Reduced Kernel Dictionary Learning. CoRR (2023)
Alexandru-Razvan Manescu, Bogdan Dumitrescu
HyperDE: An Adaptive Hyper-Heuristic for Global Optimization. Algorithms 16 (9) (2023)
Alexandru Manescu, Bogdan Dumitrescu
Evolutionary hyper-heuristics for improving global optimization algorithms. CSCS (2023)
Theodor-Adrian Badea, Bogdan Dumitrescu
Community-Augmented Local-Link Intensity: A Score for Anomaly Detection in Graphs. CoDIT (2023)
Denis C. Ilie-Ablachim, Bogdan Dumitrescu
Incoherent frames design and dictionary learning using a distance barrier. Signal Process. 209 (2023)
Denis C. Ilie-Ablachim, Bogdan Dumitrescu
Classification with Incoherent Kernel Dictionary Learning. CoRR (2023)
Denis C. Ilie-Ablachim, Bogdan Dumitrescu
Classification With Dictionary Learning and A Distance Barrier Promoting Incoherence. MLSP (2023)
Denis C. Ilie-Ablachim, Bogdan Dumitrescu, Cristian Rusu
Kernel t-distributed stochastic neighbor embedding. CoRR (2023)
Cristian-Enache Zica, Bogdan Dumitrescu
Online Computation of Reduced Egonet Features for Anomaly Detection in Bank Transactions Graphs. MLSP (2023)
Xiaomeng Zheng, Bogdan Dumitrescu, Jiamou Liu, Ciprian Doru Giurcaneanu
Multivariate Time Series Imputation: An Approach Based on Dictionary Learning. Entropy 24 (8) (2022)
Denis C. Ilie-Ablachim, Bogdan Dumitrescu
Reduced Kernel Dictionary Learning. EUSIPCO (2022)
Xiaomeng Zheng, Bogdan Dumitrescu, Jiamou Liu, Ciprian Doru Giurcaneanu
Dictionary learning for signals in additive noise with generalized Gaussian distribution. Signal Process. 195 (2022)
Denis C. Ilie-Ablachim, Bogdan Dumitrescu
Anomaly Detection with Selective Dictionary Learning. CoDIT (2022)
Bogdan Dumitrescu, Andra Baltoiu, Stefania Budulan
Anomaly Detection in Graphs of Bank Transactions for Anti Money Laundering Applications. IEEE Access 10 (2022)
Florin Ilarion Miertoiu, Bogdan Dumitrescu
Shape Parameter and Sparse Representation Recovery under Generalized Gaussian Noise. EUSIPCO (2021)
Fateme Shafiee, Alimorad Mahmoudi, Bogdan Dumitrescu
Linear Prediction-Based DOA Estimator in Non-Uniform Noise. Circuits Syst. Signal Process. 40 (5) (2021)
Kimia Hamouleh Kheirollahpour, Alimorad Mahmoudi, Bogdan Dumitrescu
DOA estimation in the autocorrelation domain for coprime array. Digit. Signal Process. 110 (2021)
Denis C. Ilie-Ablachim, Bogdan Dumitrescu
Classification with Incoherent Kernel Dictionary Learning. CSCS (2021)
Andra Baltoiu, Bogdan Dumitrescu
Sparse Bayesian learning algorithm for separable dictionaries. Digit. Signal Process. 111 (2021)
Xiaomeng Zheng, Bogdan Dumitrescu, Jiamou Liu, Ciprian Doru Giurcaneanu
On the Use of Dictionary Learning in Time Series Imputation. EUSIPCO (2020)
Florin Ilarion Miertoiu, Bogdan Dumitrescu
Feasibility Pump Algorithm for Sparse Representation under Gaussian Noise. Algorithms 13 (4) (2020)
Andra Baltoiu, Bogdan Dumitrescu
Size Adaptation of Separable Dictionary Learning with Information-Theoretic Criteria. CSCS (2019)
Fangyao Li, Christopher M. Triggs, Bogdan Dumitrescu, Ciprian Doru Giurcaneanu
The matching pursuit algorithm revisited: A variant for big data and new stopping rules. Signal Process. 155 (2019)
Paul Irofti, Bogdan Dumitrescu
Pairwise Approximate K-SVD. ICASSP (2019)
Laurentiu Piciu, Andrei Ionut Damian, Nicolae Tapus, Andrei Simion-Constantinescu, Bogdan Dumitrescu
Deep recommender engine based on efficient product embeddings neural pipeline. CoRR (2019)
Bogdan Dumitrescu, Ciprian Doru Giurcaneanu, Yixia Ding
Identification of Vector Autoregressive Models with Granger and Stability Constraints. EUSIPCO (2019)
Bogdan Dumitrescu, Ciprian Doru Giurcaneanu
Adaptive-Size Dictionary Learning Using Information Theoretic Criteria. Algorithms 12 (9) (2019)
Laurentiu Piciu, Andrei Ionut Damian, Nicolae Tapus, Andrei Simion-Constantinescu, Bogdan Dumitrescu
Deep recommender engine based on efficient product embeddings neural pipeline. RoEduNet (2018)
Andrei Simion-Constantinescu, Andrei Ionut Damian, Nicolae Tapus, Laurentiu-Gheorghe Piciu, Alexandru Purdila, Bogdan Dumitrescu
Deep Neural Pipeline for Churn Prediction. RoEduNet (2018)
Said Maanan, Bogdan Dumitrescu, Ciprian Doru Giurcaneanu
Maximum Entropy Expectation-Maximization Algorithm for Fitting Latent-Variable Graphical Models to Multivariate Time Series. Entropy 20 (1) (2018)
Bogdan Dumitrescu, Paul Irofti
Regularized K-SVD. IEEE Signal Process. Lett. 24 (3) (2017)
Fangyao Li, Christopher M. Triggs, Bogdan Dumitrescu, Ciprian Doru Giurcaneanu
On the number of iterations for the matching pursuit algorithm. EUSIPCO (2017)
Bogdan Dumitrescu
Designing Incoherent Frames With Only Matrix-Vector Multiplications. IEEE Signal Process. Lett. 24 (9) (2017)
Teodor Cioaca, Bogdan Dumitrescu, Mihai-Sorin Stupariu
Riemannian Filters for Multi-variate Mesh Signals. VISIGRAPP (1: GRAPP) (2017)
Said Maanan, Bogdan Dumitrescu, Ciprian Doru Giurcaneanu
Conditional independence graphs for multivariate autoregressive models by convex optimization: Efficient algorithms. Signal Process. 133 (2017)
Paul Irofti, Bogdan Dumitrescu
Regularized algorithms for dictionary learning. COMM (2016)
Paul Irofti, Bogdan Dumitrescu
Overcomplete dictionary learning with Jacobi atom updates. TSP (2016)
Said Maanan, Bogdan Dumitrescu, Ciprian Doru Giurcaneanu
Renormalized maximum likelihood for multivariate autoregressive models. EUSIPCO (2016)
Bogdan Dumitrescu, Bogdan C. Sicleru, Florin Avram
Modeling probability densities with sums of exponentials via polynomial approximation. J. Comput. Appl. Math. 292 (2016)
Teodor Cioaca, Bogdan Dumitrescu, Mihai-Sorin Stupariu
Graph-Based Wavelet Representation of Multi-Variate Terrain Data. Comput. Graph. Forum 35 (1) (2016)
Bogdan Dumitrescu, Paul Irofti
Low dimensional subspace finding via size-reducing dictionary learning. MLSP (2016)
Paul Irofti, Bogdan Dumitrescu
Overcomplete Dictionary Design: The Impact of the Sparse Representation Algorithm. CSCS (2015)
Alexandru Onose, Bogdan Dumitrescu
Adaptive cyclic and randomized coordinate descent for the sparse total least squares problem. EUSIPCO (2015)
Bogdan Dumitrescu, Cristian Rusu, Ioan Tabus, Jaakko Astola
Low-complexity robust DOA estimation. ICASSP (2015)
Alexandru Onose, Bogdan Dumitrescu
Adaptive Randomized Coordinate Descent for Sparse Systems: Lasso and Greedy Algorithms. IEEE Trans. Signal Process. 63 (15) (2015)
Paul Irofti, Bogdan Dumitrescu
Overcomplete Dictionary Learning with Jacobi Atom Updates. CoRR (2015)
Bogdan Dumitrescu
Faster Alternatives to the Randomized Extended Kaczmarz Algorithm. CoRR (2014)
Paul Irofti, Bogdan Dumitrescu
GPU parallel implementation of the approximate K-SVD algorithm using OpenCL. EUSIPCO (2014)
Bogdan Dumitrescu, Bogdan C. Sicleru
Optimization with sums of exponentials and applications. ICASSP (2014)
Alexandru Onose, Bogdan Dumitrescu
Adaptive randomized coordinate descent for solving sparse systems. EUSIPCO (2014)
Cristian Rusu, Bogdan Dumitrescu
An initialization strategy for the dictionary learning problem. ICASSP (2014)
Cristian Rusu, Bogdan Dumitrescu
Block orthonormal overcomplete dictionary learning. EUSIPCO (2013)
Alexandru Onose, Bogdan Dumitrescu
Distributed coordinate descent using adaptive matching pursuit. ISPACS (2013)
Bogdan C. Sicleru, Bogdan Dumitrescu
Greedy sparse spectral factorization using reduced-size Gram matrix parameterization. EUSIPCO (2013)
Alexandru Onose, Bogdan Dumitrescu
Group Greedy RLS Sparsity Estimation via Information Theoretic Criteria. CSCS (2013)
Petri Helin, Bogdan Dumitrescu, Jaakko Astola, Ioan Tabus
Likelihood based combining of subband estimates for wideband DOA. ISPA (2013)
Alexandru Onose, Bogdan Dumitrescu
Adaptive matching pursuit using coordinate descent and double residual minimization. Signal Process. 93 (11) (2013)
Alexandru Onose, Bogdan Dumitrescu
Low complexity approximate cyclic adaptive matching pursuit. EUSIPCO (2012)
Bogdan Dumitrescu, Alexandru Onose, Petri Helin, Ioan Tabus
Greedy Sparse RLS. IEEE Trans. Signal Process. 60 (5) (2012)
Bogdan C. Sicleru, Bogdan Dumitrescu
Least-squares design of 2-D sparse nonseparable filter banks using transformation of variables: A greedy approach. EUSIPCO (2012)
Alexandru Onose, Bogdan Dumitrescu
Cyclic adaptive matching pursuit. ICASSP (2012)
Cristian Rusu, Bogdan Dumitrescu
Stagewise K-SVD to Design Efficient Dictionaries for Sparse Representations. IEEE Signal Process. Lett. 19 (10) (2012)
Cristian Rusu, Bogdan Dumitrescu
design of sparse FIR filters. Signal Process. 92 (4) (2012)
Alexandru Onose, Bogdan Dumitrescu, Ioan Tabus
Sliding window greedy RLS for sparse filters. ICASSP (2011)
Bogdan C. Sicleru, Bogdan Dumitrescu
FIR filter optimization with POS3POLY in CVX. EUSIPCO (2011)
Bogdan Dumitrescu, Bogdan C. Sicleru, Radu Stefan
Positive Hybrid Real-Trigonometric Polynomials and Applications to Adjustable Filter Design and Absolute Stability Analysis. Circuits Syst. Signal Process. 29 (5) (2010)
Bogdan C. Sicleru, Bogdan Dumitrescu
Least squares design of three-dimensional filter banks using transformation of variables. ICASSP (2010)
Bogdan Dumitrescu
Optimization of the higher density discrete wavelet transform and of its dual tree. IEEE Trans. Signal Process. 58 (2) (2010)
Bogdan Dumitrescu, Ioan Tabus
Greedy RLS for sparse filters. EUSIPCO (2010)
Bogdan Dumitrescu
A Moulding Technique for the Design of 2-D Nearly Orthogonal Filter Banks. IEEE Signal Process. Lett. 17 (3) (2010)
Bogdan Dumitrescu, Bogdan C. Sicleru, Radu Stefan
Minimax design of adjustable FIR filters using 2D polynomial methods. ICASSP (2009)
Bogdan Dumitrescu
Bounded Real Lemma for multivariate trigonometric matrix polynomials and FIR filter design applications. EUSIPCO (2009)
Bogdan Dumitrescu, Ilker Bayram, Ivan W. Selesnick
Optimization of Symmetric Self-Hilbertian Filters for the Dual-Tree Complex Wavelet Transform. IEEE Signal Process. Lett. 15 (2008)
Bogdan Dumitrescu, Hamid R. Dadkhahi
Design of higher density dual-tree discrete wavelet transform with few degrees of freedom. EUSIPCO (2008)
Bogdan Dumitrescu, Robert Bregovic, Tapio Saramäki
Design of low-delay nonuniform oversampled filterbanks. Signal Process. 88 (10) (2008)
Bogdan Dumitrescu
Comments on "design of an optimal two-channel orthogonal filterbank using semidefinite programming". IEEE Signal Process. Lett. 15 (2008)
Bogdan Dumitrescu
SDP Approximation of a Fractional Delay and the Design of Dual-Tree Complex Wavelet Transform. IEEE Trans. Signal Process. 56 (9) (2008)
Bogdan Dumitrescu
LMI Stability Tests for the Fornasini-Marchesini Model. IEEE Trans. Signal Process. 56 (8-2) (2008)
Tae Roh, Bogdan Dumitrescu, Lieven Vandenberghe
Interior-Point Algorithms for Sum-Of-Squares Optimization of Multidimensional Trigonometric Polynomials. ICASSP (3) (2007)
Bogdan Dumitrescu
2-D FIR filter design: What shape is the best ? EUSIPCO (2007)
Tae Roh, Bogdan Dumitrescu, Lieven Vandenberghe
Multidimensional FIR Filter Design Via Trigonometric Sum-of-Squares Optimization. J. Sel. Topics Signal Processing 1 (4) (2007)
Bogdan Dumitrescu
Positivstellensatz for Trigonometric Polynomials and Multidimensional Stability Tests. IEEE Trans. Circuits Syst. II Express Briefs (4) (2007)
Bogdan Dumitrescu, Robert Bregovic, Tapio Saramäki, Riitta Niemistö
Low-delay nonuniform oversampled filterbanks for acoustic echo control. EUSIPCO (2006)
Bogdan Dumitrescu
Gram pair parameterization of multivariate sum-of-squares trigonometric polynomials. EUSIPCO (2006)
Bogdan Dumitrescu
Design of 2-D Fir Filters Using Positive Trigonometric Polynomials. ICASSP (3) (2006)
Bogdan Dumitrescu, Robert Bregovic, Tapio Saramäki
Simplified Design of Low-Delay Oversampled NPR GDFT Filterbanks. EURASIP J. Adv. Signal Process. 2006 (2006)
Bogdan Dumitrescu
Trigonometric Polynomials Positive on Frequency Domains and Applications to 2-D FIR Filter Design. IEEE Trans. Signal Process. 54 (11) (2006)
Bogdan Dumitrescu
Stability test of multidimensional discrete-time systems via sum-of-squares decomposition. IEEE Trans. Circuits Syst. I Regul. Pap. (4) (2006)
Bogdan Dumitrescu, Bor-Chin Chang
Robust schur stability with polynomial parameters. IEEE Trans. Circuits Syst. II Express Briefs (7) (2006)
Bogdan Dumitrescu
Bounded real lemma for FIR MIMO systems. IEEE Signal Process. Lett. 12 (7) (2005)
Bogdan Dumitrescu
Optimization of two-dimensional IIR filters with nonseparable and separable denominator. IEEE Trans. Signal Process. 53 (5) (2005)
Bogdan Dumitrescu, Robert Bregovic, Tapio Saramäki
Simplified design of low-delay oversampled NPR GDFT filterbanks. ICASSP (4) (2005)
Riitta Niemistö, Bogdan Dumitrescu
Simplified procedures for quasi-equiripple IIR filter design. IEEE Signal Process. Lett. 11 (3) (2004)
Bogdan Dumitrescu, Riitta Niemistö
An iterative reweighted least-squares algorithm for the design of 2D IIR filters. EUSIPCO (2004)
Bogdan Dumitrescu, Riitta Niemistö
Multistage IIR filter design using convex stability domains defined by positive realness. IEEE Trans. Signal Process. 52 (4) (2004)
Bogdan Dumitrescu
Multidimensional stability test using sum-of-squares decomposition. ISCAS (3) (2004)
Corneliu Popeea, Bogdan Dumitrescu, Boris Jora
Efficient state-space approach for FIR filter bank completion. Signal Process. 83 (9) (2003)

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Publication Activity (10 Years)

Top Topics

Top Venues

Bogdan Dumitrescu