dr.ir. S.P. Chepuri

Postdoc
Circuits and Systems (CAS), Department of Microelectronics

PhD thesis (Jan 2016): Sparse Sensing for Statistical Inference: Theory, Algorithms, and Applications
Promotor: Geert Leus, Alle-Jan van der Veen

Expertise: Signal processing; Sparse Sampling; Statistical inference.

Themes: Signal processing for communication

Biography

Sundeep Chepuri was a postdoc at CAS until December 2018. He was born in Bangalore, India in 1986. He received his M.Sc. degree (cum laude) in electrical engineering and his Ph.D. degree (cum laude) from the Delft University of Technology, The Netherlands, in 2011 and 2016, respectively. He has held positions at Robert Bosch, India, during 2007-2009, and Holst Centre/imec-nl, The Netherlands, during 2010-2011. His general research interest lies in the field of signal processing for networks and statistical inference. He is the recipient of the best student paper award at IEEE ICASSP 2015.

EE4530 Applied convex optimization

Applied convex optimization: role of convexity in optimization, convex sets and functions, Canonical convex problems (SDP, LP, QP), second-order methods, first-order methods for large-scale problems.

Projects history

Reliable and fast wireless communication for lithography machines

Connecting a sensor network on a moving platform to a control unit; this requires high-speed links with low latency, and accurate wireless clock synchronization.

Signal Processing for Self-Organizing Wireless Networks

Mathematical foundations to develop large self-organizing networks based on cognitive radio devices that are capable of sensing the radio spectrum and adapt accordingly.

Multi-Microphone

Microphone Subset Selection for MVDR Beamformer Based Noise Reduction

Software, Jan 2018

Sensor Selection

Microphone Subset Selection for MVDR Beamformer Based Noise Reduction

Software, Jan 2018

  1. Sparse Antenna and Pulse Placement for Colocated MIMO Radar
    E. Tohidi; M. Coutino; S.P. Chepuri; H. Behroozi; M.M. Nayebi; G. Leus;
    IEEE Tr. Signal Processing,
    Volume 67, Issue 3, pp. 579-593, February 2019. DOI: 10.1109/TSP.2018.2881656
    document

  2. Blind calibration of sparse arrays for DOA estimation with analog and one-bit measurements
    K.N. Ramamohan; S.P. Chepuri; D.F. Comesana; G. Leus;
    In 2019 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP),
    Brighton, UK, IEEE, pp. 4185-4189, May 2019. DOI: 10.1109/ICASSP.2019.8682592
    document

  3. Iterative Per-Vector Equalization for Orthogonal Signal-Division Multiplexing Over Time-Varying Underwater Acoustic Channels
    Jin Han; S.P. Chepuri; Qunfei Zhang; G. Leus;
    IEEE Journ. of Oceanic Engineering,
    October 2018.
    document

  4. Factor Analysis From Quadratic Sampling
    S. P. Chepuri;
    IEEE Signal Processing Letters,
    Volume 25, Issue 1, pp. 65-69, January 2018. ISSN 1070-9908. DOI: 10.1109/LSP.2017.2763154
    document

  5. Microphone Subset Selection for MVDR Beamformer Based Noise Reduction
    Jie Zhang; S. P. Chepuri; R. C. Hendriks; R. Heusdens;
    IEEE/ACM Transactions on Audio, Speech, and Language Processing,
    Volume 26, Issue 3, pp. 550-563, March 2018. ISSN: 2329-9290. DOI: 10.1109/TASLP.2017.2786544
    documentsoftware

  6. Submodular Sparse Sensing for Gaussian Detection With Correlated Observations
    M. Coutino; S. P. Chepuri; G. Leus;
    IEEE Transactions on Signal Processing,
    Volume 66, Issue 15, pp. 4025-4039, August 2018. ISSN: 1053-587X. DOI: 10.1109/TSP.2018.2846220
    document

  7. Statistical Graph Signal Processing: Stationarity and Spectral Estimation
    S. Segarra; S.P. Chepuri; A.G. Marques; G. Leus;
    In Cooperative and Graph Signal Processing,
    Academic Press, 2018. ISBN: 978-0-12-813677-5. DOI: 10.1016/B978-0-12-813677-5.00012-2
    document

  8. Subset selection for kernel-based signal reconstruction
    M. Coutino; S.P. Chepuri; G. Leus;
    In 2018 IEEE Int. Conf. on Acoustics, Speech and Signal Processing (ICASSP),
    Calgary (Canada), IEEE, pp. 4014-4018, April 2018. ISSN: 2379-190X. DOI: 10.1109/ICASSP.2018.8461510
    document

  9. Blind calibration for acoustic vector sensor arrays
    K. Nambur Ramamohan; S.P. Chepuri; D.F. Comesana; G. Carrillo Pousa; G. Leus;
    In 2018 IEEE Int. Conf. on Acoustics, Speech and Signal Processing (ICASSP),
    Calgary (Canada), IEEE, pp. 3544-3548, April 2018. ISSN: 2379-190X. DOI: 10.1109/ICASSP.2018.8462035
    document

  10. Distributed Analytical Graph Identification
    S.P. Chepuri; M. Coutino; A. G. Marques; G. Leus;
    In 2018 IEEE Int. Conf. on Acoustics, Speech and Signal Processing (ICASSP),
    Calgary (Canada), IEEE, pp. 4064-4068, April 2018. ISSN: 2379-190X. DOI: 10.1109/ICASSP.2018.8461484
    document

  11. Graph Sampling With and Without Input Priors
    S.P. Chepuri; Y. Eldar; G. Leus;
    In 2018 IEEE Int. Conf. on Acoustics, Speech and Signal Processing (ICASSP),
    Calgary (Canada), IEEE, pp. 4564-4568, April 2018. ISSN: 2379-190X. DOI: 10.1109/ICASSP.2018.8461420
    document

  12. Sparsest network support estimation: a submodular approach
    M. Coutino; S.P. Chepuri; G. Leus;
    In IEEE Data Science Workshop (DSW18),
    Lausanne (CH), IEEE, pp. 200-204, June 2018. DOI: 10.1109/DSW.2018.8439890
    document

  13. Factor Analysis from Quadratic Sampling
    S.P. Chepuri;
    In 2018 IEEE Int. Conf. on Acoustics, Speech and Signal Processing (ICASSP),
    Calgary (Canada), IEEE, April 2018. ISSN: 2379-190X.
    document

  14. Dynamic transmit power allocation for distributed MIMO radar target detection
    T. Aittomaki; S.P. Chepuri; V. Koivunen;
    In IEEE 10th Sensor Array and Multichannel Signal Processing Workshop (SAM2018),
    Sheffield (UK), IEEE, July 2018. ISSN: 2151-870X.
    document

  15. Sampling and Reconstruction of Signals on Product Graphs
    G. Ortiz-Jimenez; M. Coutino; S.P. Chepuri; G. Leus;
    In Proc. of the IEEE Global Conference on Signal and Information Processing (GlobalSIP 2018),
    Anaheim, California, USA, November 2018.

  16. Graph Sampling for Covariance Estimation
    S. P. Chepuri; G. Leus;
    IEEE Transactions on Signal and Information Processing over Networks,
    Volume 3, Issue 3, pp. 451-466, September 2017. DOI: 10.1109/TSIPN.2017.2731161
    document

  17. Distributed sensor selection for field estimation
    Sijia Liu; S.P. Chepuri; G. Leus; A.O. Hero;
    In Int. Conf. Audio Speech Signal Proc. (ICASSP),
    New Orleans (USA), IEEE, pp. 4257-4261, March 2017. DOI: 10.1109/ICASSP.2017.7952959
    document

  18. Learning sparse graphs under smoothness prior
    S.P. Chepuri; Sijia Liu; G. Leus; A.O. Hero;
    In Int. Conf. Audio Speech Signal Proc. (ICASSP),
    New Orleans (USA), IEEE, pp. 6508-6512, March 2017. DOI: 10.1109/ICASSP.2017.7953410
    document

  19. Sparse Sensing for Composite Matched Subspace Detection
    M. Coutino; S. P. Chepuri; G. Leus;
    In 2017 IEEE International Workshop on Computational Advances in Multi-Sensor Adaptive Processing (CAMSAP),
    Curacao, IEEE, December 2017. ISBN 978-1-5386-1250-7.

  20. Joint Sensor Placement and Power Rating Selection in Energy Harvesting Wireless Sensor Networks
    O. M. Bushnaq; T. Y. Al-Naffouri; S.P. Chepuri; G.J.T. Leus;
    In 25th European Signal Processing Conference (EUSIPCO 2017),
    Kos (Greece), EURASIP, pp. 2487-2491, August 2017. ISBN 978-0-9928626-7-1. DOI: 10.23919/EUSIPCO.2017.8081645
    document

  21. Near-Optimal Greedy Sensor Selection for MVDR Beamforming with Modular Budget Constraint
    M. Coutino; S.P. Chepuri; G.J.T. Leus;
    In 25th European Signal Processing Conference (EUSIPCO 2017),
    Kos (Greece), EURASIP, pp. 2035-2039, August 2017. ISBN 978-0-9928626-7-1. DOI: 10.23919/EUSIPCO.2017.8081556
    document

  22. DOA Estimation and Beamforming Using Spatially Under-Sampled AVS Arrays
    K. Nambur Ramamohan; M. M. Coutino; S.P. Chepuri; D. Fernandez Comesana; G. Leus;
    In 2017 IEEE International Workshop on Computational Advances in Multi-Sensor Adaptive Processing (CAMSAP),
    Curacao, IEEE, December 2017. ISBN 978-1-5386-1250-7.

  23. Sparse Sensing for Distributed Detection
    S.P. Chepuri; G. Leus;
    IEEE Tr. Signal Proc.,
    Volume 64, Issue 6, pp. 1446-1460, March 2016. DOI: 10.1109/TSP.2015.2491890
    document

  24. Robust Censoring Using Metropolis-Hastings Sampling
    G. Kail; S.P. Chepuri; G. Leus;
    IEEE Journal of Selected Topics in Signal Processing,
    Volume 10, Issue 2, pp. 270-283, March 2016. DOI: 10.1109/JSTSP.2015.2506142
    document

  25. Sensor Selection for Estimation with Correlated Measurement Noise
    S. Liu; S. P. Chepuri; M. Fardad; E. Masazade; G. Leus; P.K. Varshney;
    IEEE Transactions on Signal Processing,
    Volume 64, Issue 13, pp. 3509--3522, July 2016. DOI: 10.1109/TSP.2016.2550005
    document

  26. Graph Sampling for Covariance Estimation
    S.P. Chepuri; G. Leus;
    In Subm. IEEE Journ. of Selec. Topics in Signal Proc.,
    November 2016.

  27. Sparse Sensing for Statistical Inference
    S.P. Chepuri; G. Leus;
    Boston-Delft: Foundations and Trends in Signal Processing, , 2016. ISBN-978-1-68083-236-5.. DOI: 10.1561/2000000069

  28. Towards multi-rigid body localization
    A. Pizzo; S.P. Chepuri; G. Leus;
    In Int. Conf. Audio Speech Signal Proc. (ICASSP),
    Shanghai (China), IEEE, March 2016.
    document

  29. Subsampling for Graph Power Spectrum Estimation
    S.P. Chepuri; G. Leus;
    In IEEE Workshop on Sensor Array Multichannel,
    Sao Paulo, Brazil, July 2016.
    document

  30. Subsampling for Graph Signal Detection
    S.P. Chepuri; G. Leus;
    In 50th Asilomar ConFerence on signals, systems and Computers,
    November 2016.
    document

  31. Sparse sensing for statistical inference: Theory, Algorithms, and Applications
    S.P. Chepuri;
    PhD thesis, TU Delft, Fac. EEMCS, January 2016. ISBN 978-94-6186-570-0.
    document

  32. Sparsity-Promoting Sensor Selection for Non-Linear Measurement Models
    S.P. Chepuri; G. Leus;
    IEEE Trans. Signal Proc.,
    Volume 63, Issue 3, pp. 684-698, February 2015. DOI: 10.1109/TSP.2014.2379662
    document

  33. Continuous Sensor Placement
    S.P. Chepuri; G. Leus;
    IEEE Signal Processing Letters,
    Volume 22, Issue 5, pp. 544-548, May 2015. DOI: 10.1109/LSP.2014.2363731
    document

  34. Channel Measurements and Modeling for a 60 GHz Wireless Link Within a Metal Cabinet
    S. Khademi; S.P. Chepuri; Z. Irahhauten; G.J. Janssen; A.J. van der Veen;
    IEEE Tr. Wireless Comm.,
    Volume 14, Issue 9, pp. 5098-5110, 2015. DOI: 10.1109/TWC.2015.2432755
    document

  35. Sparse Sensing for Distributed Gaussian Detection
    S.P. Chepuri; G. Leus;
    In Proc. Int. Conf. Acoustics, Speech, Signal Proc. (ICASSP 2015),
    Brisbane (Australia), IEEE, pp. 2394-2398, May 2015. DOI: 10.1109/ICASSP.2015.7178400
    document

  36. Robust censoring for linear inverse problems
    G. Kail; S.P. Chepuri; G. Leus;
    In IEEE Sign. Proc. Adv. Wireless Comm. (SPAWC),
    Stockholm (Sweden), IEEE, pp. 495-499, June 2015.
    document

  37. Greedy Sensor Selection for Non-Linear Models
    S. Rao; S.P. Chepuri; G. Leus;
    In Proc. of the IEEE International Workshop on Computational Advances in Multi-Sensor Adaptive Processing (CAMSAP 2015),
    Cancun, Mexico, December 2015.

  38. DOA Estimation Using Sparse Vector Sensor Arrays
    S. Rao; S.P. Chepuri; G. Leus;
    In Proc. of the IEEE International Workshop on Computational Advances in Multi-Sensor Adaptive Processing (CAMSAP 2015),
    Cancun, Mexico, December 2015.

  39. Sparse Sensing for Estimation with Correlated Observations
    S.P. Chepuri; G. Leus;
    In Proc. of the Asilomar Conference on Signals, systems, and Computers (Asilomar 2015),
    Pacific Grove, California, USA, November 2015.

  40. Big Data Sketching with Model Mismatch
    S.P. Chepuri; Yu Zhang; G. Leus; G.B. Giannakis;
    In Proc. of the Asilomar Conference on Signals, systems, and Computers (Asilomar 2015),
    Pacific Grove, California, USA, November 2015.

  41. Rigid Body Localization Using Sensor Networks
    S.P. Chepuri; G.J.T. Leus; A.J. van der Veen;
    IEEE Trans. Signal Processing,
    Volume 62, Issue 8, August 2014.
    document

  42. Sparsity-Promoting Adaptive Sensor Selection for Non-Linear Filtering
    S.P. Chepuri; G. Leus;
    In Proc. Int. Conf. Acoustics, Speech, Signal Proc. (ICASSP 2014),
    Florence (Italy), IEEE, May 2014.
    document

  43. Channel characterization for wideband 60 GHz wireless link within a metal enclosure
    S. Khademi; S.P. Chepuri; Z. Irahhauten; G.J.M. Janssen; A.J. van der Veen;
    In 2014 8th European Conf. on Antennas and Propagagion (EuCAP),
    The Hague (Netherlands), IEEE, pp. 1575-1579, April 2014. DOI: 10.1109/EuCAP.2014.6902085
    document

  44. Compression schemes for time-varying sparse signals
    S.P. Chepuri; G. Leus;
    In Asilomar Conf. Signals, systems, and Computers (Asilomar 2014),
    Pacific Grove, California, USA, IEEE, November 2014.

  45. Near-field source localization using sparse recovery techniques
    Keke Hu; S.P. Chepuri; G. Leus;
    In Int. Conf. Signal Processing and Communications (SPCOM 2014),
    Bangalore, India, July 2014.
    document

  46. Sensor selection for estimation, filtering, and detection
    S.P. Chepuri; G. Leus;
    In Int. Conf. Signal Processing and Communications (SPCOM 2014),
    Bangalore, India, July 2014.
    document

  47. Near-Field Source Localization: Sparse Recovery Techniques and Grid Matching
    Keke Hu; S.P. Chepuri; G. Leus;
    In Sensor Array and Multichannel Signal Processing Workshop (SAM),
    A Coruna (Spain), IEEE, pp. 369-372, June 2014.
    document

  48. Joint Clock Synchronization and Ranging: Asymmetrical Time-stamping and Passive Listening
    S.P. Chepuri; R.T. Rajan; G. Leus; A.J. van der Veen;
    IEEE Signal Processing Letters,
    Volume 20, Issue 1, pp. 51-54, January 2013.
    document

  49. Optimization of hard fusion based spectrum sensing for energy-constrained cognitive radio networks
    S. Maleki; S.P. Chepuri; G. Leus;
    Physical Communication,
    Volume 9, pp. 193-198, 2013.
    document

  50. Position and orientation estimation of a rigid body: rigid body localization
    S.P. Chepuri; G. Leus; A.J. van der Veen;
    In Proc. Int. Conf. Acoustics, Speech, Signal Proc. (ICASSP 2013),
    Vancouver (Canada), IEEE, May 2013.
    document

  51. Zero-forcing pre-equalization with transmit antenna selection in MIMO systems
    S. Khademi; S.P. Chepuri; G. Leus; A.J. van der Veen;
    In Proc. Int. Conf. Acoustics, Speech, Signal Proc. (ICASSP 2013),
    Vancouver (Canada), IEEE, May 2013.
    document

  52. Sparsity-Exploiting Anchor Placement for Localization in Sensor Networks
    S.P. Chepuri; G.J.T. Leus; A.J. van der Veen;
    In Proc. 21st European Signal Processing Conference (EUSIPCO),
    Marrakech (Marokko), September 2013.
    document

  53. Tracking Position and Orientation of a Mobile Rigid Body
    S.P. Chepuri; A. Simonetto; G.J.T. Leus; A.J. van der Veen;
    In Proc. 5th IEEE International Workshop on Computational Advances in Multi-Sensor Adaptive Processing (CAMSAP 2013),
    St. Maarten (Dutch Antilles), December 2013.
    document

  54. Sparsity-Enforcing Sensor Selection for DOA Estimation
    V. Roy; S.P. Chepuri; G. Leus;
    In Proc. 5th IEEE International Workshop on Computational Advances in Multi-Sensor Adaptive Processing (CAMSAP 2013),
    Saint Martin (French West Indies), IEEE, December 2013.
    document

  55. Optimization of Hard Fusion Based Spectrum Sensing for Energy-Constrained Cognitive Radio Networks
    S. Maleki; S.P. Chepuri; G. Leus;
    Physical Communication,
    June 2012. ISSN 1874-4907. DOI: 10.1016/j.phycom.2012.07.003
    document

  56. Multiple hypothesis testing for compressive wideband sensing
    S.P. Chepuri; G. Leus; R. de Francisco;
    In Proc. IEEE Workshop on Signal Processing Advances in Wireless Communications (SPAWC 2012),
    Cesme, Turkey, IEEE, June 2012.
    document

  57. Low-power Architecture for Wideband Spectrum Sensing
    S.P. Chepuri; R. de Francisco; G. Leus;
    In Proc. of 3rd International Workshop on Cognitive Information Processing (CIP 2012),
    Baiona, Spain, May 2012.
    document

  58. Joint Localization and Clock Synchronization for Wireless Sensor Networks
    S.P. Chepuri; G. Leus; A.J. van der Veen;
    In 46th Asilomar Conference on Signals, Systems and Computers,
    November 2012.
    document

  59. Performance evaluation of an IEEE 802.15.4 cognitive radio link in the 2360-2400 MHz band
    S.P. Chepuri; R. de Francisco; G. Leus;
    In Proc. IEEE Wireless Communications and Networking Conference (WCNC),
    Cancun, Mexico, IEEE, pp. 2155-2160, March 2011. DOI: 10.1109/WCNC.2011.5779466
    document

  60. Optimal hard fusion strategies for cognitive radio networks
    S. Maleki; S.P. Chepuri; G. Leus;
    In Proc. IEEE Wireless Communications and Networking Conference (WCNC),
    Cancun, Mexico, IEEE, pp. 1926-1931, March 2011. DOI: 10.1109/WCNC.2011.5779453
    document

  61. Energy and throughput efficient strategies for cooperative spectrum sensing in cognitive radios
    S. Maleki; S.P. Chepuri; G. Leus;
    In 2011 IEEE 12th Int. Workshop on Signal Proc. Advances in Wireless Comm. (SPAWC),
    San Francisco (CA), IEEE, pp. 71-75, June 2011. ISSN 1948-3244. DOI: 10.1109/SPAWC.2011.5990482
    document

BibTeX support

Last updated: 13 Mar 2019

Sundeep Prabhakar Chepuri

Alumnus