RECENT RESEARCH PROJECTS
S. Liu, P.-Y. Chen, I. Rajapakse and A. O. Hero
"First-Order Bifurcation Detection for Dynamic Complex Networks,"
submitted to IEEE ICASSP'18
J. Chen, S. Liu and P.-Y. Chen
"Zeroth-Order Diffusion Adaptation over Networks,"
submitted to IEEE ICASSP'18
S. Liu, Y. Wang, M. Fardad and P. K. Varshney,
"A Memristor-Based Optimization Framework for AI Applications,"
IEEE Circuits and Systems Magazine, in press, 2017 paper (pdf)
S. Liu, J. Chen, P.-Y. Chen and A. O. Hero,
"Zeroth-Order Online Alternating Direction Method of Multipliers:
Convergence Analysis and Applications,"
submitted to AISTATS, 2017 paper (pdf)
Matlab code (zip)
H. Chen*, S. Liu*, L. Seaman, C. Najarian, W. Wu, M. Ljungman, G. Higgins, A. O. Hero, M. Wicha, I. Rajapakse
"Parental allele-specific genome architecture and transcription during the cell cycle,"
(* co-first authors)
S. Liu, H. Chen, S. Ronquist, L. Seaman, N. Ceglia, W. Meixner, L. A. Muir, P.-Y. Chen, G. Higgins, P. Baldi, S. Smale, A. O. Hero, I. Rajapakse,
"Genome Architecture Leads a Bifurcation in Cell Identity,"
Nature Communications, under review, 2017
S. Zhang, S. Liu, V. Sharma and P. K. Varshney,
"Optimal Sensor Collaboration for Parameter Tracking Using Energy Harvesting Sensors,"
submitted to IEEE Transactions on Signal Processing, 2017
K. Yang, L. Jiang, S. Low, S. Liu and S. Zhao,
"Energy Procurement and Demand Response with Fast Convergence for Smart Grid with Renewables,"
submitted to IEEE Transactions on Network Science and Engineering, 2017
H. Chen, L. Seaman, S. Liu, T. Ried and I. Rajapakse, "Chromosome conformation and gene expression patterns differ profoundly in human fibroblasts grown in spheroids versus monolayers," Nucleus, 2017
S. Liu, S. Kar, M. Fardad and P. K. Varshney, "Optimized Sensor Collaboration for Estimation of Temporally Correlated Parameters," IEEE Transactions on Signal Processing,
vol. 64, no. 24, pp. 6613-6626, Dec. 2016
B. Kailkhura, S. Liu, T. Wimalajeewa and P. K. Varshney, "Measurement Matrix Design for Compressive Detection with Secrecy Guarantees," IEEE Wireless Communications Letters, vol. 5, no. 4, pp. 420-423, Aug. 2016
S. Liu, S. Kar, M. Fardad and P. K. Varshney, "Joint Design of Optimal Sensor Selection and
Collaboration Strategies for Distributed Estimation," IEEE ComSoc MMTC E-letter, Special
Issue on "Energy efficiency management for distributed computation and applications in
sensor networks", Mar. 2016
S. Liu, S. P. Chepuri, M. Fardad, E. Masazade, G. Leus and P. K. Varshney, "Sensor Selection for Estimation with Correlated Measurement Noise," IEEE Transactions on Signal Processing, vol. 64, no. 13, pp. 3509-3522, July 2016
S. Liu, M. Fardad, E. Masazade and P. K. Varshney, "Optimal Periodic Sensor Scheduling in Networks of Dynamical Systems," IEEE Transactions on Signal Processing, vol.62, no.12, pp.3055-3068, June, 2014
S. Liu, P.-Y. Chen, J. Chen and A. O. Hero,
"Convergence Analysis of Zeroth-Order OnlineAlternating Direction Method of Multipliers," In NIPS Workshop on Optimization for Machine Learning, 2017.
T. P. Xie, S. Liu and A. O. Hero,
"Semiblind Subgraph Reconstruction in Gaussian Graphical Models,"
IEEE GlobalSIP, 2017
S. Liu, A. Ren, Y. Wang and P. K. Varshney,
"Ultra-Fast Robust Compressive Sensing Based on Memristor Crossbars,"
S. Liu, P.-Y. Chen and A. O. Hero, "Distributed Optimization for Evolving Networks of Growing Connectivity," ICASSP, 2017
S. Liu, S. P. Chepuri, G. Leus and A. O. Hero, "Distributed Sensor Selection for Field Estimation," ICASSP, 2017
S. P. Chepuri, S. Liu, G. Leus and A. O. Hero, "Learning Sparse Graphs Under Smoothness Prior," ICASSP, 2017
A. Ren, S. Liu, R. Cai, P. K. Varshney and Y. Wang, "Algorithm-Hardware Co-Optimization of Memristor Crossbar-Based Framework for Solving SOCP and Homogeneous QCQP Problems," The 22nd Asia and South Pacific Design Automation Conference (ASPDAC), 2016
S. Liu, V. Sharma and P. K. Varshney, "Towards An Online Energy Allocation Policy for Distributed Estimation with Sensor Collaboration Using Energy Harvesting Sensor," GlobalSIP, 2016
S. Liu, N. Cao and P. K. Varshney, "Sensor Placement for Field Estimation via Poisson Disk Sampling," GlobalSIP, 2016
S. Liu, Y. Wang, M. Fardad and P. K. Varshney, "Optimal Energy Allocation and Storage Control for Distributed Estimation with Sensor Collaboration," CISS, 2016
S. Liu, S. Kar, M. Fardad and P. K. Varshney, "On Optimal Sensor Collaboration for Distributed Estimation with Individual Power Constraints," Asilomar, 2015
V. Gupta, B. Kailkhura, T. Wimalajeewa, S. Liu and P. K. Varshney, "Joint Sparsity Pattern Recovery with 1-bit Compressive Sensing in Sensor Networks," Asilomar, 2015
Nadendla, V. S. S., S. Liu and P. K. Varshney, "On Enhancing Secrecy in Centralized Detection using Transmit-Beamforming with Artificial Noise," Allerton, 2015
K. Yang and S. Liu, "System and Method for Analyzing A Root Cause of Anomalous Behavior Using Hypothesis Testing," US Patent Application, Serial No. 14/991685, 2016
Last updated March 10, 2016