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A - Z Staff Directory
Rusu, Dr Cristian
Lecturer in Computing (Room 2.04)
4498627
cristian.rusu@ncirl.ie
Key Responsibilities at NCI
Lecturer in Computing
In charge of Cloud Application Development and Security classes
Education
2009, Bachelor of Science, The University Politehnica of Bucharest
2011, Master of Science, The University Politehnica of Bucharest
2012, PhD, The University Politehnica of Bucharest
Academic Experience
2013-2014, Postdoctoral researcher, IMT Institute for Advanced Studies, Lucca, Italy
2014-2016, Postdoctoral researcher, The University of Vigo, Spain (visiting researcher at the University of Texas at Austin, USA)
2016-2017, Postdoctoral researcher, The University of Edinburgh, UK
Industrial Experience
Involved with two start-ups related to software for machine learning and IoT
Research Interests
Algorithm design, numerical algorithms, machine learning and data analytics, signal processing, algorithms for mmwave communication and sensor networks, IoT
Professional Body Membership
IEEE
Research Publications
Published International Journal Articles
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 0165-168. DOI: 10.1016/j.sigpro.2018.06.015
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. DOI: 10.1109/TSP.2017.2773429
Rusu, Cristian and Thompson, John (2017)
"Learning Fast Sparsifying Transforms"
. IEEE Transactions on Signal Processing, 65 (16). pp. 4367-4378. ISSN 1941-0476. DOI: 10.1109/TSP.2017.2712120
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. DOI: 10.1109/TSP.2016.2612168
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. DOI: 10.1109/TWC.2016.2614495
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. DOI: 10.1016/j.laa.2016.06.038
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. DOI: 10.1109/TSP.2016.2521607
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. DOI: 10.1109/ACCESS.2015.2514261
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. DOI: 10.1177/1094342013519483
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. DOI: 10.1109/TMI.2014.2313000
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. DOI: 10.1109/LSP.2013.2288788
Rusu, Cristian (2013)
"Design of Incoherent Frames via Convex Optimization"
. IEEE Signal Processing Letters, 20 (7). pp. 673-676. ISSN 1558-2361. DOI: 10.1109/LSP.2013.2263280
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 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. DOI: 10.1109/LSP.2012.2209871
Rusu, Cristian and Dumitrescu, Bogdan (2012)
"Iterative reweighted l1 design of sparse FIR filters"
. Signal Processing, 92 (4). pp. 905-911. ISSN 0165-1684. DOI: 10.1016/j.sigpro.2011.09.031
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.
Book Chapters
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. DOI: 10.1109/ACSSC.2017.8335371
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. DOI: 10.1109/SSPD.2017.8233246
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. DOI: 10.23919/EUSIPCO.2017.8081302
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. DOI: 10.23919/EUSIPCO.2017.8081442
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. DOI: 10.1109/ICASSP.2017.7952769
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. DOI: 10.1109/GLOCOM.2016.7841881
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. DOI: 10.1109/ICASSP.2016.7472311
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. DOI: 10.1109/ICASSP.2016.7472437
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. DOI: 10.1109/GLOCOMW.2016.7848864
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. DOI: 10.1109/GLOCOM.2015.7417853
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. DOI: 10.1109/ACSSC.2015.7421318
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. DOI: 10.1109/ITA.2015.7308971
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. DOI: 10.1109/ICC.2015.7248509
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. DOI: 10.1109/SPAWC.2015.7227018
Dumitrescu, Bogdan, Rusu, Cristian, Tabus, 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. DOI: 10.1109/ICASSP.2015.7178480
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. DOI: 10.1109/ICASSP.2015.7178504
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. DOI: 10.1007/978-3-319-09363-5_13
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. DOI: 10.1109/ICASSP.2014.6854903
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. DOI: 10.1007/978-3-319-10470-6_70
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. DOI: 10.1109/ICIP.2014.7026128
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. DOI: 10.1109/ISPA.2013.6703804
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. DOI: 10.1109/ISPA.2013.6703715
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. DOI: 10.1109/MLSP.2012.6349795
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.
Staff Directory