publications

 
 

Journal publications

  1. 3. Venkatesan Ekambaram, Kannan Ramchandran, Raja Sengupta, “Collaborative High-Accuracy Localization in Mobile Multipath Environments”, submitted to IEEE Transactions on Vehicular Technology. [arxiv preprint]

  2. 2.Swaprava Nath, Venkatesan Ekambaram, Anurag Kumar, P. Vijay Kumar, “Theory and Algorithms for Hop-Count-Based Localization with Random Geometric Graph Models of Dense Sensor Networks”, ACM Transactions on Sensor Networks (to be published). [pdf]

  3. 1.Venkatesan.N.E, Tarun Agarwal, V.Lalitha, P.Vijay Kumar, "Distributed detection in the presence of correlated sensor readings: signal-space and communication-complexity view-point",  Adhoc Networks, Elsevier. [pdf]

Conference publications

  1. 19.Venkatesan Ekambaram, Giulia Fanti, Babak Ayazifar, Kannan Ramchandran, “Wavelet Regularized Graph Semi Supervised Learning ”, IEEE GlobalSIP 2013, Austin, Tx. [pdf ]

  2. 18.Venkatesan Ekambaram, Giulia Fanti, Babak Ayazifar, Kannan Ramchandran, “Critically-Sampled Perfect-Reconstruction Spline-Wavelet Filterbanks for Graph Signals ”,IEEE GlobalSIP 2013, Austin, Tx. [pdf ]

  3. 17.Sameer Pawar,Venkatesan Ekambaram, Kannan Ramchandran, “ Computationally-Efficient Blind Sub-Nyquist Sampling for Sparse Spectra ”,IEEE GlobalSIP 2013, Austin, Tx.

  4. 16.Venkatesan Ekambaram, Giulia Fanti, Babak Ayazifar, Kannan Ramchandran, “Multiresolution Graph Signal Processing via Circulant Structures ”, IEEE DSP/SPE Workshop 2013. [pdf ]

  5. 15.Venkatesan Ekambaram, Giulia Fanti, Babak Ayazifar, Kannan Ramchandran, “Circulant Structures and Graph Signal Processing ”, IEEE ICIP 2013. [pdf ]

  6. 14.Jaeyoung Choi,Howard Lei, Venkatesan Ekambaram,Pascal Kelm,Luke Gottlieb,Thomas Sikora, Kannan Ramchandran,Gerald Friedland “ Human vs Machine: Establishing a Human Baseline for Multimodal Location Estimation”,ACM Multimedia 2013, Barcelona, Spain.

  7. 13.Pascal Kelm, Sebastian Schmiedeke, Jaeyoung Choi, Gerald Friedland,Venkatesan Ekambaram Kannan Ramchandran and Thomas Sikora “ A Novel Fusion Method for Integrating Multiple Modalities and Knowledge for Multimodal Location Estimation”,ACM Multimedia 2013, Barcelona, Spain.

  8. 12.Venkatesan Ekambaram, Kannan Ramchandran, “Non-Line-of-Sight Localization Using Low-rank + Sparse Matrix Decomposition”, IEEE SSP’12. [pdf (long version)]

  9. 11.Jaeyoung Choi, Venkatesan Ekambaram, Gerald Friedland, Kannan Ramchandran, “Multimodal Location Estimation of Consumer Media: Dealing with Sparse Training Data”, ICME 2012, Melbourne (author names are in alphabetical order).

  10. 10.Jaeyoung Choi, Venkatesan Ekambaram, Gerald Friedland, Kannan Ramchandran, “"The 2012 ICSI/Berkeley Video Location Estimation System", MediaEval 2012, Pisa, Italy. (Placing Task award for the most novel theoretical approach) (author names are in alphabetical order).

  11. 9.Jerald Jariyasunant, Andre Carrel, Venkatesan Ekambaram, David Gaker, Thejovardhana Kote, Raja Sengupta, Joan.L.Walker, “The Quantified Traveler: Using Personal Travel Data to Promote Sustainable Transport Behavior”, 91st Annual Meeting of the Transportation Research Board, Washington D.C., January 2012. [pdf]

  12. 8.Venkatesan Ekambaram, Kannan Ramchandran,Raja Sengupta “"R-GPS(Robust GPS): Enhancing GPS accuracy and security using DSRC", ITS World Congress 2011, Special Session for Connected Vehicukar Technology Challenge Winners, Orlando, Florida.

  13. 7.Venkatesan Ekambaram, Kannan Ramchandran and Raja Sengupta "Scaling Laws for Cooperative Node Localization in Non-Line-of-Sight Wireless Networks", IEEE Globecom 2011, Houston, Texas.[pdf][slides]

  14. 6.Venkatesan Ekambaram, Christian Manasseh, Adam Goodliss, Raja Sengupta, Kannan Ramchandran, "A Systems Approach to Sizing of Co-operative High-Accuracy Location (C-HALO) Services Validated by Experiments in San Francisco", ION GNSS 2011, Portland, Oregon.[pdf][slides]

  15. 5.Adam Goodliss, Christian Manasseh, Venkatesan Ekambaram, Raja Sengupta, Kannan Ramchandran, "Cooperative High-Accuracy Location (C-HALO) Service for Intelligent Transportation Systems: A Cost Benefit Study", ION GNSS 2011, Portland, Oregon. [pdf][slides]

  16. 4.Venkatesan Ekambaram, Kannan Ramchandran,"Distributed High Accuracy Peer-to-Peer Localization in Mobile Multipath Environments", IEEE Globecom 2010, Miami, Florida. [pdf] [slides]

  17. 3.Venkatesan.N.E, Tarun Agarwal, P.Vijay Kumar, "On the average case communication complexity for detection in sensor networks", (Best Paper Award Algorithms Track), IEEE/ACM Transactions on Distributed Computing in Sensor Systems (DCOSS'08), Santorini Island, Greece. [pdf] [slides]

  18. 2.Tarun Agarwal, Venkatesan.N.E, Mohan Rao.S, P. Vijay Kumar, "Intruder Detection over Sensor Placement in a Hexagonal Lattice", 10th International Symposium on Wireless Personal Multimedia Communications'07, Jaipur. [pdf]

  19. 1.Ajay.A.V, Deepti.S.M, Rajendra.C.Y, Venkatesan.N.E, Sumam David,"Resizing Images by Arbitrary Factors in the Spatial Domain and implementation on Blackfin533 processor", IET Visual Information Engineering (VIE 2006), pp-311-314, September 2006. (first four author names are in alphabetical order). [pdf]


Technical reports

  1. 1.Adam Goodliss, Chrisitian Manasseh, Venkatesan Ekambaram, Raja Sengupta, Adib Kanafani, Kannan Ramchandran, High Accuracy Location Based Services Cost Benefit Study: Final Report”, ITS Department, University of California, Berkeley, Tech. Rep. UCB-ITS-RR-2011-1, May 2011


  1. 2.Venkatesan Ekambaram, Kannan Ramchandran and Raja Sengupta "Scaling Laws for Cooperative Node Localization in Non-Line-of-Sight Wireless Networks", EECS Department, University of California, Berkeley, Tech. Rep. UCB/EECS-2011-20, Mar 2011. [pdf]


  1. 3.Venkatesan Ekambaram and Kannan Ramchandran " SLAC-RF: Simultaneous 3D Localization of mobile readers and Calibration of RFID supertags", EECS Department, University of California, Berkeley, Tech. Rep. UCB/EECS-2012-188, Aug 2012. [pdf]


  1. 4.Venkatesan Ekambaram, Giulia Fanti and Kannan Ramchandran "Semi-Definite Programming Relaxation for Non-Line-of-Sight Localization", EECS Department, University of California, Berkeley, Tech. Rep. UCB/EECS-2012-189, Aug 2012. [pdf]