Items where Author is "Rusu, Cristian"

Rusu, Cristian, González-Prelcic, Nuria and Heath, Robert W. (2018) Algorithms for the construction of incoherent frames under various design constraints. Signal Processing, 152. pp. 363-372. ISSN 0165-1684

Bampis, Christos G., Rusu, Cristian, Hajj, Hazem and Bovik, Alan C. (2018) Robust matrix factorization for collaborative filtering in recommender systems. In: 51st Asilomar Conference on Signals, Systems, and Computers 2017. IEEE, pp. 415-419. ISBN 9781538618233

Rusu, Cristian, Thompson, John and Robertson, Neil M. (2018) Sensor Scheduling With Time, Energy, and Communication Constraints. IEEE Transactions on Signal Processing, 66 (2). pp. 528-539. ISSN 1941-0476

Rusu, Cristian and Thompson, John (2017) Node Sampling by Partitioning on Graphs via Convex Optimization. In: 2017 Sensor Signal Processing for Defence Conference (SSPD). IEEE, London, pp. 1-5. ISBN 9781538616635

Rusu, Cristian and Thompson, John (2017) Learning fast sparsifying overcomplete dictionaries. In: 25th European Signal Processing Conference (EUSIPCO). IEEE, Kos, pp. 723-727. ISBN 9780992862671

Rusu, Cristian and Thompson, John (2017) On the use of tight frames for optimal sensor placement in time-difference of arrival localization. In: 2017 25th European Signal Processing Conference (EUSIPCO). IEEE, Kos, pp. 1415-1419. ISBN 9780992862671

Rusu, Cristian and Thompson, John (2017) Learning Fast Sparsifying Transforms. IEEE Transactions on Signal Processing, 65 (16). pp. 4367-4378. ISSN 1941-0476

Rusu, Cristian, Thompson, John and Robertson, Neil M. (2017) Balanced sensor management across multiple time instances via l-1/l-infinity norm minimization. In: 2017 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP). IEEE, pp. 3311-3315. ISBN 9781509041176

Rusu, Cristian, González-Prelcic, Nuria and Heath, Robert W. (2016) Fast Orthonormal Sparsifying Transforms Based on Householder Reflectors. IEEE Transactions on Signal Processing, 64 (24). pp. 6589-6599. ISSN 1941-0476

López-Valcarce, Roberto, González-Prelcic, Nuria, Rusu, Cristian and Heath, Robert W. (2016) Hybrid Precoders and Combiners for mmWave MIMO Systems with Per-Antenna Power Constraints. In: 2016 IEEE Global Communications Conference (GLOBECOM). IEEE, Washington, DC. ISBN 9781509013289

Rusu, Cristian, Méndez-Rial, Roi, González-Prelcic, Nuria and Heath, Robert W. (2016) Low Complexity Hybrid Precoding Strategies for Millimeter Wave Communication Systems. IEEE Transactions on Wireless Communications, 15 (12). pp. 8380-8393. ISSN 1536-1276

Rusu, Cristian, González-Prelcic, Nuria and Heath, Robert W. (2016) Properties of real and complex ETFs and their application to the design of low coherence frames. Linear Algebra and its Applications, 508. pp. 81-90. ISSN 0024-3795

Rusu, Cristian, González-Prelcic, Nuria and Heath, Robert W. (2016) Array thinning for antenna selection in millimeter wave MIMO systems. In: 2016 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP). IEEE, Shanghai, pp. 3416-3420. ISBN 9781479999880

Rusu, Cristian, González-Prelcic, Nuria and Heath, Robert W. (2016) The use of unit norm tight measurement matrices for one-bit compressed sensing. In: 2016 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP). IEEE, Shanghai, pp. 4044-4048. ISBN 9781479999880

Rusu, Cristian and González-Prelcic, Nuria (2016) Designing Incoherent Frames Through Convex Techniques for Optimized Compressed Sensing. IEEE Transactions on Signal Processing, 64 (9). pp. 2334-2344. ISSN 1941-0476

González-Prelcic, Nuria, Truong, Kien T., Rusu, Cristian and Heath, Robert W. (2016) Compressive Channel Estimation in FDD Multi-Cell Massive MIMO Systems with Arbitrary Arrays. In: 2016 IEEE Globecom Workshops (GC Wkshps). IEEE, Washington, DC, pp. 1-5. ISBN 9781509024827

Méndez-Rial, Roi, Rusu, Cristian, González-Prelcic, Nuria, Alkhateeb, Ahmed and Heath, Robert W. (2016) Hybrid MIMO Architectures for Millimeter Wave Communications: Phase Shifters or Switches? IEEE Access, 4. pp. 247-267. ISSN 2169-3536

Rusu, Cristian, Méndez-Rial, Roi, González-Prelcic, Nuria and Heath, Robert W. (2015) Adaptive One-Bit Compressive Sensing with Application to Low-Precision Receivers at mmWave. In: 2015 IEEE Global Communications Conference (GLOBECOM). IEEE, San Diego, CA. ISBN 9781479959525

Minervini, Massimo, Rusu, Cristian, Damiano, Mario, Tucci, Valter, Bifone, Angelo, Gozzi, Allesandro and Tsaftaris, Sotirios A. (2015) Large-scale analysis of neuroimaging data on commercial clouds with content-aware resource allocation strategies. The International Journal of High Performance Computing Applications, 29 (4). pp. 473-488. ISSN 1741-2846

Rusu, Cristian, González-Prelcic, Nuria and Heath, Robert W. (2015) Low resolution adaptive compressed sensing for mmWave MIMO receivers. In: 2015 49th Asilomar Conference on Signals, Systems and Computers. IEEE, Pacific Grove, CA, pp. 1138-1143. ISBN 9781467385763

Méndez-Rial, Roi, Rusu, Cristian, Alkhateeb, Ahmed, González-Prelcic, Nuria and Heath, Robert W. (2015) Channel estimation and hybrid combining for mmWave: Phase shifters or switches? In: 2015 Information Theory and Applications Workshop (ITA). IEEE, San Diego, CA, pp. 90-97. ISBN 9781479971954

Rusu, Cristian, Méndez-Rial, Roi, González-Prelcic, Nuria and Heath, Robert W. (2015) Low complexity hybrid sparse precoding and combining in millimeter wave MIMO systems. In: 2015 IEEE International Conference on Communications (ICC). IEEE, London, pp. 1340-1345. ISBN 9781467364324

Méndez-Rial, Roi, Rusu, Cristian, González-Prelcic, Nuria and Heath, Robert W. (2015) Dictionary-free hybrid precoders and combiners for mmWave MIMO systems. In: 2015 IEEE 16th International Workshop on Signal Processing Advances in Wireless Communications (SPAWC). IEEE, Stockholm, pp. 151-155. ISBN 9781479919314

Dumitrescu, Bogdan, Rusu, Cristian, Tăbuş, loan and Astola, Jaakko (2015) Low-complexity robust DOA estimation. In: 2015 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP). IEEE, Brisbane, QLD, pp. 2794-2798. ISBN 9781467369978

Rusu, Cristian, González-Prelcic, Nuria and Heath, Robert W. (2015) An attack on antenna subset modulation for millimeter wave communication. In: 2015 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP). IEEE, Brisbane, QLD, pp. 2914-2918. ISBN 9781467369978

Minervini, Massimo, Rusu, Cristian and Tsaftaris, Sotirios A. (2015) Computationally Efficient Data and Application Driven Color Transforms for the Compression and Enhancement of Images and Video. In: Color Image and Video Enhancement. Springer, Cham, Switzerland, pp. 371-393. ISBN 9783319093635

Rusu, Cristian, Morisi, Rita, Boschetto, Davide, Dharmakumar, Rohan and Tsaftaris, Sotirios A. (2014) Synthetic Generation of Myocardial Blood–Oxygen-Level-Dependent MRI Time Series Via Structural Sparse Decomposition Modeling. IEEE Transactions on Medical Imaging, 33 (7). pp. 1422-1433. ISSN 1558-254X

Rusu, Cristian and Dumitrescu, Bogdan (2014) An initialization strategy for the dictionary learning problem. In: 2014 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP). IEEE, Florence, pp. 6731-6735. ISBN 9781479928934

Rusu, Cristian, Dumitrescu, Bogdan and Tsaftaris, Sotirios A. (2014) Explicit Shift-Invariant Dictionary Learning. IEEE Signal Processing Letters, 21 (1). pp. 6-9. ISSN 1558-2361

Rusu, Cristian and Tsaftaris, Sotirios A. (2014) Structured Dictionaries for Ischemia Estimation in Cardiac BOLD MRI at Rest. In: Medical Image Computing and Computer-Assisted Intervention – MICCAI 2014. Lecture Notes in Computer Science, 8674 . Springer, Cham, Switzerland, pp. 562-569. ISBN 9783319104706

Minervini, Massimo, Rusu, Cristian and Tsaftaris, Sotirios A. (2014) Unsupervised and supervised approaches to color space transformation for image coding. In: 2014 IEEE International Conference on Image Processing (ICIP). IEEE, Paris, pp. 5576-5580. ISBN 9781479957514

Rusu, Cristian and Dumitrescu, Bogdan (2013) Block orthonormal overcomplete dictionary learning. In: 21st European Signal Processing Conference (EUSIPCO 2013). IEEE, Marrakech, pp. 1-5. ISBN 9780992862602

Rusu, Cristian and Tsaftaris, Sotirios A. (2013) Estimation of scribble placement for painting colorization. In: 2013 8th International Symposium on Image and Signal Processing and Analysis (ISPA). IEEE, Trieste, pp. 564-569. ISBN 9789531841948

Minervini, Massimo, Rusu, Cristian and Tsaftaris, Sotirios A. (2013) Learning computationally efficient approximations of complex image segmentation metrics. In: 2013 8th International Symposium on Image and Signal Processing and Analysis (ISPA). IEEE, Trieste, pp. 60-65. ISBN 9789531841948

Rusu, Cristian (2013) Design of Incoherent Frames via Convex Optimization. IEEE Signal Processing Letters, 20 (7). pp. 673-676. ISSN 1558-2361

Rusu, Cristian (2013) Clustering large datasets - Bounds and applications with K-SVD. UPB Scientific Bulletin, Series C: Electrical Engineering, 75 (2). pp. 31-40. ISSN 2286-3540

Rusu, Cristian (2012) Fast design of efficient dictionaries for sparse representations. In: 2012 IEEE International Workshop on Machine Learning for Signal Processing. IEEE, Santander, pp. 1-5. ISBN 9781467310260

Rusu, Cristian (2012) Clustering before training large datasets — Case study: K-SVD. In: 2012 Proceedings of the 20th European Signal Processing Conference (EUSIPCO). IEEE, Bucharest, pp. 2188-2192. ISBN 9781467310680

Rusu, Cristian and Dumitrescu, Bogdan (2012) Stagewise K-SVD to Design Efficient Dictionaries for Sparse Representations. IEEE Signal Processing Letters, 19 (10). pp. 631-634. ISSN 1558-2361

Rusu, Cristian and Dumitrescu, Bogdan (2012) Iterative reweighted l1 design of sparse FIR filters. Signal Processing, 92 (4). pp. 905-911. ISSN 0165-1684

Rusu, Cristian (2011) Classification of music genres using sparse representations in overcomplete dictionaries. Journal of Control Engineering and Applied Informatics, 13 (1). pp. 35-42. ISSN 1454-8658