Bogdan Dumitrescu

121 papers C 4Misc 12Journal 61Unranked 44

Year	Rank	Type	Title / Venue / Authors
2025	J	`jnl`	Anomaly Detection With Infinite Set Dictionary Learning and Atom Dimension Adaptation. IEEE Access Andra Baltoiu, Denis C. Ilie-Ablachim, Bogdan Dumitrescu
2025	J	`jnl`	Haar-Laplacian for Directed Graphs. IEEE Trans. Signal Inf. Process. over Networks Theodor-Adrian Badea, Bogdan Dumitrescu
2025	C	`conf`	i-DGCN: A Spectral Convolutional Network For Directed Graphs Using An Intensity Laplacian. CoDIT Theodor-Adrian Badea, Bogdan Dumitrescu
2024	J	`jnl`	Atom dimension adaptation for infinite set dictionary learning. CoRR Andra Baltoiu, Denis C. Ilie-Ablachim, Bogdan Dumitrescu
2024	J	`jnl`	Dictionary learning with cone atoms and application to anomaly detection. Signal Process. Andra Baltoiu, Denis C. Ilie-Ablachim, Bogdan Dumitrescu
2024	—	`conf`	DualGCN: A Convolutional Network for Anomaly Detection in Directed Graphs Based on Symmetrized and Skew-Symmetrized Laplacians. MLSP Theodor-Adrian Badea, Bogdan Dumitrescu
2024	J	`jnl`	Haar-Laplacian for directed graphs. CoRR Theodor-Adrian Badea, Bogdan Dumitrescu
2023	J	`jnl`	Anomaly Detection with Selective Dictionary Learning. CoRR Denis C. Ilie-Ablachim, Bogdan Dumitrescu
2023	—	`conf`	Classification With Dictionary Learning and A Distance Barrier Promoting Incoherence. MLSP Denis C. Ilie-Ablachim, Bogdan Dumitrescu
2023	J	`jnl`	Classification with Incoherent Kernel Dictionary Learning. CoRR Denis C. Ilie-Ablachim, Bogdan Dumitrescu
2023	C	`conf`	Community-Augmented Local-Link Intensity: A Score for Anomaly Detection in Graphs. CoDIT Theodor-Adrian Badea, Bogdan Dumitrescu
2023	—	`conf`	Evolutionary hyper-heuristics for improving global optimization algorithms. CSCS Alexandru Manescu, Bogdan Dumitrescu
2023	J	`jnl`	HyperDE: An Adaptive Hyper-Heuristic for Global Optimization. Algorithms Alexandru-Razvan Manescu, Bogdan Dumitrescu
2023	J	`jnl`	Incoherent frames design and dictionary learning using a distance barrier. Signal Process. Denis C. Ilie-Ablachim, Bogdan Dumitrescu
2023	J	`jnl`	Kernel t-distributed stochastic neighbor embedding. CoRR Denis C. Ilie-Ablachim, Bogdan Dumitrescu, Cristian Rusu
2023	—	`conf`	Online Computation of Reduced Egonet Features for Anomaly Detection in Bank Transactions Graphs. MLSP Cristian-Enache Zica, Bogdan Dumitrescu
2023	J	`jnl`	Reduced Kernel Dictionary Learning. CoRR Denis C. Ilie-Ablachim, Bogdan Dumitrescu
2023	Misc	`conf`	Sparse Representations with Cone Atoms. ICASSP Denis C. Ilie-Ablachim, Andra Baltoiu, Bogdan Dumitrescu
2022	J	`jnl`	Anomaly Detection in Graphs of Bank Transactions for Anti Money Laundering Applications. IEEE Access Bogdan Dumitrescu, Andra Baltoiu, Stefania Budulan
2022	C	`conf`	Anomaly Detection with Selective Dictionary Learning. CoDIT Denis C. Ilie-Ablachim, Bogdan Dumitrescu
2022	J	`jnl`	Dictionary learning for signals in additive noise with generalized Gaussian distribution. Signal Process. Xiaomeng Zheng, Bogdan Dumitrescu, Jiamou Liu, Ciprian Doru Giurcaneanu
2022	J	`jnl`	Multivariate Time Series Imputation: An Approach Based on Dictionary Learning. Entropy Xiaomeng Zheng, Bogdan Dumitrescu, Jiamou Liu, Ciprian Doru Giurcaneanu
2022	—	`conf`	Reduced Kernel Dictionary Learning. EUSIPCO Denis C. Ilie-Ablachim, Bogdan Dumitrescu
2021	—	`conf`	Classification with Incoherent Kernel Dictionary Learning. CSCS Denis C. Ilie-Ablachim, Bogdan Dumitrescu
2021	J	`jnl`	DOA estimation in the autocorrelation domain for coprime array. Digit. Signal Process. Kimia Hamouleh Kheirollahpour, Alimorad Mahmoudi, Bogdan Dumitrescu
2021	J	`jnl`	Linear Prediction-Based DOA Estimator in Non-Uniform Noise. Circuits Syst. Signal Process. Fateme Shafiee, Alimorad Mahmoudi, Bogdan Dumitrescu
2021	—	`conf`	Shape Parameter and Sparse Representation Recovery under Generalized Gaussian Noise. EUSIPCO Florin Ilarion Miertoiu, Bogdan Dumitrescu
2021	J	`jnl`	Sparse Bayesian learning algorithm for separable dictionaries. Digit. Signal Process. Andra Baltoiu, Bogdan Dumitrescu
2020	J	`jnl`	Feasibility Pump Algorithm for Sparse Representation under Gaussian Noise. Algorithms Florin Ilarion Miertoiu, Bogdan Dumitrescu
2020	—	`conf`	On the Use of Dictionary Learning in Time Series Imputation. EUSIPCO Xiaomeng Zheng, Bogdan Dumitrescu, Jiamou Liu, Ciprian Doru Giurcaneanu
2019	J	`jnl`	Adaptive-Size Dictionary Learning Using Information Theoretic Criteria. Algorithms Bogdan Dumitrescu, Ciprian Doru Giurcaneanu
2019	J	`jnl`	Deep recommender engine based on efficient product embeddings neural pipeline. CoRR Laurentiu Piciu, Andrei Ionut Damian, Nicolae Tapus, Andrei Simion-Constantinescu, Bogdan Dumitrescu
2019	—	`conf`	Identification of Vector Autoregressive Models with Granger and Stability Constraints. EUSIPCO Bogdan Dumitrescu, Ciprian Doru Giurcaneanu, Yixia Ding
2019	Misc	`conf`	Pairwise Approximate K-SVD. ICASSP Paul Irofti, Bogdan Dumitrescu
2019	—	`conf`	Size Adaptation of Separable Dictionary Learning with Information-Theoretic Criteria. CSCS Andra Baltoiu, Bogdan Dumitrescu
2019	J	`jnl`	The matching pursuit algorithm revisited: A variant for big data and new stopping rules. Signal Process. Fangyao Li, Christopher M. Triggs, Bogdan Dumitrescu, Ciprian Doru Giurcaneanu
2018	—	`conf`	Deep Neural Pipeline for Churn Prediction. RoEduNet Andrei Simion-Constantinescu, Andrei Ionut Damian, Nicolae Tapus, Laurentiu-Gheorghe Piciu, Alexandru Purdila, Bogdan Dumitrescu
2018	—	`conf`	Deep recommender engine based on efficient product embeddings neural pipeline. RoEduNet Laurentiu Piciu, Andrei Ionut Damian, Nicolae Tapus, Andrei Simion-Constantinescu, Bogdan Dumitrescu
2018	J	`jnl`	Maximum Entropy Expectation-Maximization Algorithm for Fitting Latent-Variable Graphical Models to Multivariate Time Series. Entropy Said Maanan, Bogdan Dumitrescu, Ciprian Doru Giurcaneanu
2017	J	`jnl`	Conditional independence graphs for multivariate autoregressive models by convex optimization: Efficient algorithms. Signal Process. Said Maanan, Bogdan Dumitrescu, Ciprian Doru Giurcaneanu
2017	J	`jnl`	Designing Incoherent Frames With Only Matrix-Vector Multiplications. IEEE Signal Process. Lett. Bogdan Dumitrescu
2017	—	`conf`	On the number of iterations for the matching pursuit algorithm. EUSIPCO Fangyao Li, Christopher M. Triggs, Bogdan Dumitrescu, Ciprian Doru Giurcaneanu
2017	J	`jnl`	Regularized K-SVD. IEEE Signal Process. Lett. Bogdan Dumitrescu, Paul Irofti
2017	—	`conf`	Riemannian Filters for Multi-variate Mesh Signals. VISIGRAPP (1: GRAPP) Teodor Cioaca, Bogdan Dumitrescu, Mihai-Sorin Stupariu
2016	J	`jnl`	Graph-Based Wavelet Representation of Multi-Variate Terrain Data. Comput. Graph. Forum Teodor Cioaca, Bogdan Dumitrescu, Mihai-Sorin Stupariu
2016	—	`conf`	Low dimensional subspace finding via size-reducing dictionary learning. MLSP Bogdan Dumitrescu, Paul Irofti
2016	J	`jnl`	Modeling probability densities with sums of exponentials via polynomial approximation. J. Comput. Appl. Math. Bogdan Dumitrescu, Bogdan C. Sicleru, Florin Avram
2016	—	`conf`	Overcomplete dictionary learning with Jacobi atom updates. TSP Paul Irofti, Bogdan Dumitrescu
2016	—	`conf`	Regularized algorithms for dictionary learning. COMM Paul Irofti, Bogdan Dumitrescu
2016	—	`conf`	Renormalized maximum likelihood for multivariate autoregressive models. EUSIPCO Said Maanan, Bogdan Dumitrescu, Ciprian Doru Giurcaneanu
2015	J	`jnl`	Adaptive Randomized Coordinate Descent for Sparse Systems: Lasso and Greedy Algorithms. IEEE Trans. Signal Process. Alexandru Onose, Bogdan Dumitrescu
2015	—	`conf`	Adaptive cyclic and randomized coordinate descent for the sparse total least squares problem. EUSIPCO Alexandru Onose, Bogdan Dumitrescu
2015	Misc	`conf`	Low-complexity robust DOA estimation. ICASSP Bogdan Dumitrescu, Cristian Rusu, Ioan Tabus, Jaakko Astola
2015	—	`conf`	Overcomplete Dictionary Design: The Impact of the Sparse Representation Algorithm. CSCS Paul Irofti, Bogdan Dumitrescu
2015	J	`jnl`	Overcomplete Dictionary Learning with Jacobi Atom Updates. CoRR Paul Irofti, Bogdan Dumitrescu
2014	—	`conf`	Adaptive randomized coordinate descent for solving sparse systems. EUSIPCO Alexandru Onose, Bogdan Dumitrescu
2014	Misc	`conf`	An initialization strategy for the dictionary learning problem. ICASSP Cristian Rusu, Bogdan Dumitrescu
2014	J	`jnl`	Faster Alternatives to the Randomized Extended Kaczmarz Algorithm. CoRR Bogdan Dumitrescu
2014	—	`conf`	GPU parallel implementation of the approximate K-SVD algorithm using OpenCL. EUSIPCO Paul Irofti, Bogdan Dumitrescu
2014	Misc	`conf`	Optimization with sums of exponentials and applications. ICASSP Bogdan Dumitrescu, Bogdan C. Sicleru
2013	J	`jnl`	Adaptive matching pursuit using coordinate descent and double residual minimization. Signal Process. Alexandru Onose, Bogdan Dumitrescu
2013	—	`conf`	Block orthonormal overcomplete dictionary learning. EUSIPCO Cristian Rusu, Bogdan Dumitrescu
2013	—	`conf`	Distributed coordinate descent using adaptive matching pursuit. ISPACS Alexandru Onose, Bogdan Dumitrescu
2013	—	`conf`	Greedy sparse spectral factorization using reduced-size Gram matrix parameterization. EUSIPCO Bogdan C. Sicleru, Bogdan Dumitrescu
2013	—	`conf`	Group Greedy RLS Sparsity Estimation via Information Theoretic Criteria. CSCS Alexandru Onose, Bogdan Dumitrescu
2013	C	`conf`	Likelihood based combining of subband estimates for wideband DOA. ISPA Petri Helin, Bogdan Dumitrescu, Jaakko Astola, Ioan Tabus
2012	Misc	`conf`	Cyclic adaptive matching pursuit. ICASSP Alexandru Onose, Bogdan Dumitrescu
2012	J	`jnl`	Greedy Sparse RLS. IEEE Trans. Signal Process. Bogdan Dumitrescu, Alexandru Onose, Petri Helin, Ioan Tabus
2012	J	`jnl`	Iterative reweighted l Signal Process. Cristian Rusu, Bogdan Dumitrescu
2012	—	`conf`	Least-squares design of 2-D sparse nonseparable filter banks using transformation of variables: A greedy approach. EUSIPCO Bogdan C. Sicleru, Bogdan Dumitrescu
2012	—	`conf`	Low complexity approximate cyclic adaptive matching pursuit. EUSIPCO Alexandru Onose, Bogdan Dumitrescu
2012	J	`jnl`	Stagewise K-SVD to Design Efficient Dictionaries for Sparse Representations. IEEE Signal Process. Lett. Cristian Rusu, Bogdan Dumitrescu
2011	—	`conf`	FIR filter optimization with POS3POLY in CVX. EUSIPCO Bogdan C. Sicleru, Bogdan Dumitrescu
2011	Misc	`conf`	Sliding window greedy RLS for sparse filters. ICASSP Alexandru Onose, Bogdan Dumitrescu, Ioan Tabus
2010	J	`jnl`	A Moulding Technique for the Design of 2-D Nearly Orthogonal Filter Banks. IEEE Signal Process. Lett. Bogdan Dumitrescu
2010	—	`conf`	Greedy RLS for sparse filters. EUSIPCO Bogdan Dumitrescu, Ioan Tabus
2010	Misc	`conf`	Least squares design of three-dimensional filter banks using transformation of variables. ICASSP Bogdan C. Sicleru, Bogdan Dumitrescu
2010	J	`jnl`	Optimization of the higher density discrete wavelet transform and of its dual tree. IEEE Trans. Signal Process. Bogdan Dumitrescu
2010	J	`jnl`	Positive Hybrid Real-Trigonometric Polynomials and Applications to Adjustable Filter Design and Absolute Stability Analysis. Circuits Syst. Signal Process. Bogdan Dumitrescu, Bogdan C. Sicleru, Radu Stefan
2009	—	`conf`	Bounded Real Lemma for multivariate trigonometric matrix polynomials and FIR filter design applications. EUSIPCO Bogdan Dumitrescu
2009	Misc	`conf`	Minimax design of adjustable FIR filters using 2D polynomial methods. ICASSP Bogdan Dumitrescu, Bogdan C. Sicleru, Radu Stefan
2008	J	`jnl`	Comments on "design of an optimal two-channel orthogonal filterbank using semidefinite programming". IEEE Signal Process. Lett. Bogdan Dumitrescu
2008	—	`conf`	Design of higher density dual-tree discrete wavelet transform with few degrees of freedom. EUSIPCO Bogdan Dumitrescu, Hamid R. Dadkhahi
2008	J	`jnl`	Design of low-delay nonuniform oversampled filterbanks. Signal Process. Bogdan Dumitrescu, Robert Bregovic, Tapio Saramäki
2008	J	`jnl`	LMI Stability Tests for the Fornasini-Marchesini Model. IEEE Trans. Signal Process. Bogdan Dumitrescu
2008	J	`jnl`	Optimization of Symmetric Self-Hilbertian Filters for the Dual-Tree Complex Wavelet Transform. IEEE Signal Process. Lett. Bogdan Dumitrescu, Ilker Bayram, Ivan W. Selesnick
2008	J	`jnl`	SDP Approximation of a Fractional Delay and the Design of Dual-Tree Complex Wavelet Transform. IEEE Trans. Signal Process. Bogdan Dumitrescu
2007	—	`conf`	2-D FIR filter design: What shape is the best ? EUSIPCO Bogdan Dumitrescu
2007	—	`conf`	Interior-Point Algorithms for Sum-Of-Squares Optimization of Multidimensional Trigonometric Polynomials. ICASSP (3) Tae Roh, Bogdan Dumitrescu, Lieven Vandenberghe
2007	J	`jnl`	Multidimensional FIR Filter Design Via Trigonometric Sum-of-Squares Optimization. J. Sel. Topics Signal Processing Tae Roh, Bogdan Dumitrescu, Lieven Vandenberghe
2007	J	`jnl`	Positivstellensatz for Trigonometric Polynomials and Multidimensional Stability Tests. IEEE Trans. Circuits Syst. II Express Briefs Bogdan Dumitrescu
2006	—	`conf`	Design of 2-D Fir Filters Using Positive Trigonometric Polynomials. ICASSP (3) Bogdan Dumitrescu
2006	—	`conf`	Gram pair parameterization of multivariate sum-of-squares trigonometric polynomials. EUSIPCO Bogdan Dumitrescu
2006	—	`conf`	Low-delay nonuniform oversampled filterbanks for acoustic echo control. EUSIPCO Bogdan Dumitrescu, Robert Bregovic, Tapio Saramäki, Riitta Niemistö
2006	J	`jnl`	Robust schur stability with polynomial parameters. IEEE Trans. Circuits Syst. II Express Briefs Bogdan Dumitrescu, Bor-Chin Chang
2006	J	`jnl`	Simplified Design of Low-Delay Oversampled NPR GDFT Filterbanks. EURASIP J. Adv. Signal Process. Bogdan Dumitrescu, Robert Bregovic, Tapio Saramäki
2006	J	`jnl`	Stability test of multidimensional discrete-time systems via sum-of-squares decomposition. IEEE Trans. Circuits Syst. I Regul. Pap. Bogdan Dumitrescu
2006	J	`jnl`	Trigonometric Polynomials Positive on Frequency Domains and Applications to 2-D FIR Filter Design. IEEE Trans. Signal Process. Bogdan Dumitrescu
2005	J	`jnl`	Bounded real lemma for FIR MIMO systems. IEEE Signal Process. Lett. Bogdan Dumitrescu
2005	J	`jnl`	Optimization of two-dimensional IIR filters with nonseparable and separable denominator. IEEE Trans. Signal Process. Bogdan Dumitrescu
2005	—	`conf`	Simplified design of low-delay oversampled NPR GDFT filterbanks. ICASSP (4) Bogdan Dumitrescu, Robert Bregovic, Tapio Saramäki
2004	—	`conf`	An iterative reweighted least-squares algorithm for the design of 2D IIR filters. EUSIPCO Bogdan Dumitrescu, Riitta Niemistö
2004	—	`conf`	Multidimensional stability test using sum-of-squares decomposition. ISCAS (3) Bogdan Dumitrescu
2004	J	`jnl`	Multistage IIR filter design using convex stability domains defined by positive realness. IEEE Trans. Signal Process. Bogdan Dumitrescu, Riitta Niemistö
2004	J	`jnl`	Simplified procedures for quasi-equiripple IIR filter design. IEEE Signal Process. Lett. Riitta Niemistö, Bogdan Dumitrescu
2003	J	`jnl`	Efficient state-space approach for FIR filter bank completion. Signal Process. Corneliu Popeea, Bogdan Dumitrescu, Boris Jora
2002	J	`jnl`	Accurate computation of compaction filters with high regularity. IEEE Signal Process. Lett. Bogdan Dumitrescu, Corneliu Popeea
2002	J	`jnl`	Multiple-scale leader-lattice VQ with application to LSF quantization. Signal Process. Adriana Vasilache, Bogdan Dumitrescu, Ioan Tabus
2002	—	`conf`	On convex stability domain and optimization of IIR filters. EUSIPCO Bogdan Dumitrescu
2002	J	`jnl`	SDP design procedures for near-optimum IIR compaction filters. Signal Process. Riitta Niemistö, Bogdan Dumitrescu, Ioan Tabus
2001	Misc	`conf`	An efficient algorithm for FIR filter bank completion. ICASSP Corneliu Popeea, Bogdan Dumitrescu, Boris Jora
2001	—	`conf`	Efficient design of minmax ODIF robust stack filters. ISSPA Bogdan Dumitrescu, Ioan Tabus, Sari Peltonen, Jaakko Astola, Edward R. Dougherty
2001	J	`jnl`	On the parameterization of positive real sequences and MA parameter estimation. IEEE Trans. Signal Process. Bogdan Dumitrescu, Ioan Tabus, Petre Stoica
2001	J	`jnl`	Optimal compaction gain by eigenvalue minimization. Signal Process. Corneliu Popeea, Bogdan Dumitrescu
2001	J	`jnl`	Predictive LSF computation. Signal Process. Bogdan Dumitrescu, Ioan Tabus
2001	Misc	`conf`	SDP design procedure for energy compaction IIR filters. ICASSP Riitta Niemistö, Bogdan Dumitrescu, Ioan Tabus
2000	Misc	`conf`	A low complexity SDP method for designing optimum compaction filters. ICASSP Bogdan Dumitrescu, Corneliu Popeea
2000	—	`conf`	Predictive LSF computation. EUSIPCO Bogdan Dumitrescu, Ioan Tabus
1999	—	`conf`	A new fast method for training stack filters. NSIP Ioan Tabus, Bogdan Dumitrescu
1997	J	`jnl`	Two-dimensional block partitionings for the parallel sparse Cholesky factorization. Numer. Algorithms Bogdan Dumitrescu, Mathias Doreille, Jean-Louis Roch, Denis Trystram
1994	J	`jnl`	Fast Matrix Multiplication Algorithms on Mimd Architectures. Parallel Algorithms Appl. Bogdan Dumitrescu, Jean-Louis Roch, Denis Trystram