2019

  1. Improving Graph Trend Filtering with Non-convex Penalties Varma, R., Lee, H., Chi, Y., and Kovačević, J. In ICASSP 2019 - 2019 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP) 2019 [Abs]
  2. Smooth Signal Recovery on Product Graphs Varma, R., and Kovačević, J. In ICASSP 2019 - 2019 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP) 2019 [Abs]
  3. Vector-Valued Graph Trend Filtering with Non-Convex Penalties Varma, Rohan, Lee, Harlin, Kovačević, Jelena, and Chi, Yuejie arXiv:1905.12692 [cs, eess, stat] 2019 [Abs]
  4. Passive and Active Sampling for Piecewise-Smooth Graph Signals Varma, R., and Kovacević, J. In 2019 International Conference on Sampling Theory and Applications (SampTA) 2019
  5. Random Sampling for Bandlimited Signals on Product Graphs Varma, R., and Kovacević, J. In 2019 International Conference on Sampling Theory and Applications (SampTA) 2019

2018

  1. Sampling Theory for Graph Signals on Product Graphs Varma, R. A., and Kovacevic, J. In 2018 IEEE Global Conference on Signal and Information Processing (GlobalSIP) 2018 [Abs]

2017

  1. Signal Recovery on Graphs: Fundamental Limits of Sampling Strategies Chen, S., Varma, R., Singh, A., and Kovačević, J. IEEE Transactions on Signal and Information Processing over Networks 2017 [Abs]
  2. Graph topology recovery for regular and irregular graphs Varma, R., Chen, S., and Kovačević, J. In 2017 IEEE 7th International Workshop on Computational Advances in Multi-Sensor Adaptive Processing (CAMSAP) 2017 [Abs]

2016

  1. A statistical perspective of sampling scores for linear regression Chen, S., Varma, R., Singh, A., and Kovačcević, J. In 2016 IEEE International Symposium on Information Theory (ISIT) 2016 [Abs]
  2. Representations of piecewise smooth signals on graphs Chen, S., Varma, R., Singh, A., and Kovačević, J. In 2016 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP) 2016 [Abs]

2015

  1. Signal recovery on graphs: Random versus experimentally designed sampling Chen, S., Varma, R., Singh, A., and Kovacević, J. In 2015 International Conference on Sampling Theory and Applications (SampTA) 2015 [Abs]
  2. Energy-efficient route planning for autonomous aerial vehicles based on graph signal recovery Ji, T., Chen, S., Varma, R., and Kovačević, J. In 2015 53rd Annual Allerton Conference on Communication, Control, and Computing (Allerton) 2015 [Abs]
  3. Spectrum-blind signal recovery on graphs Varma, R., Chen, S., and Kovačević, J. In 2015 IEEE 6th International Workshop on Computational Advances in Multi-Sensor Adaptive Processing (CAMSAP) 2015 [Abs]
  4. Signal recovery on graphs: Random versus experimentally designed sampling Chen, S., Varma, R., Singh, A., and Kovacević, J. In 2015 International Conference on Sampling Theory and Applications (SampTA) 2015 [Abs]
  5. Discrete Signal Processing on Graphs: Sampling Theory Chen, S., Varma, R., Sandryhaila, A., and Kovačević, J. IEEE Transactions on Signal Processing 2015 [Abs]

talks