Wei Chen

Digital Technology Group (DTG)

Computer Laboratory

University of Cambridge

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Education

Representative Research Topics  

Projection Design for Compressive Sensing

Data Acquisition & Signal Processing in Sensor Networks

Image/Video Processing, Statistical Signal Processing

Wireless Communications

Honors and Awards

Memberships in Professional and Honorary Societies

Publications

Journal Articles: (* corresponding author)

14. Y. Li, C. Yin, W. Chen, Z. Han, "Approximate Message Passing for Recovering Structured Low-Rank Matrix under Affine Constraints," IEEE Transactions on Signal Processing, submitted.
13. X. Ding, W. Chen*, I. Wassell, "Joint Sensing Matrix and Sparsifying Dictionary Optimization for Tensor Compressive Sensing," IEEE Transactions on Signal Processing, submitted.
12. W. Chen*, D. Wipf, Y. Wang, I. Wassell, "Simultaneous Bayesian Sparse Approximation With Structured Sparse Models," IEEE Transactions on Signal Processing, 2016 (accepted).
11. W. Chen* and I. Wassell, "Cost-Aware Activity Scheduling for Compressive Sleeping Wireless Sensor Networks," IEEE Transactions on Signal Processing, vol. 64, no. 9, pp. 2314-2323, 2016.
10. X. Ding, W. Chen*, I. Wassell, "Compressive Sensing Reconstruction for Video: an Adaptive Approach Based on Motion Estimation," IEEE Transactions on Circuits and Systems for Video Technology, 2016 (accepted).
 9. R. He, W. Chen, B. Ai, A. Molisch, W. Wang, Z. Zhong, J. Yu, S. Sangodoyin, "On the Clustering of Radio Channel Impulse Responses Using Sparsity-Based Methods," IEEE Transactions on Antennas and Propagation, vol. 64, no. 6, pp.2465-2474, 2016.
 8. W. Chen* and I. Wassell, "A Decentralized Bayesian Algorithm For Distributed Compressive Sensing in Networked Sensing Systems," IEEE Transactions on Wireless Communications, vol. 15, no. 2, pp. 1282-1292, Feb. 2016.
 7. W. Chen* and I. Wassell, "Optimized Node Selection for Compressive Sleeping Wireless Sensor Networks," IEEE Transactions on Vehicular Technology, vol. 65, no. 2, pp. 827-836, Feb. 2016.
 6. W. Chen*, I. Wassell, and M. Rodrigues, "Dictionary Design for Distributed Compressive Sensing," IEEE Signal Processing Letters, vol. 22, no. 1, pp. 95-99, Jan. 2015.
 5. W. Chen*, M. Rodrigues and I. Wassell, "Projections Design For Statistical Compressive Sensing: A Tight Frame Based Approach," IEEE Transactions on Signal Processing, vol. 61, no. 8, pp. 2016 - 2029, Apr 2013.
 4. W. Chen* and M. Rodrigues, "Dictionary Learning With Optimized Projection Design For Compressive Sensing Applications," IEEE Signal Processing Letters, vol. 20, no. 10, pp. 992-995, Oct 2013.
 3. W. Chen*, M. Rodrigues and I. Wassell, "A Fr{\'e}chet Mean Approach for Compressive Sensing Data Acquisition and Reconstruction in Wireless Sensor Networks," IEEE Transactions on Wireless Communications, vol. 11, no. 10, pp. 3598 -3606, October 2012.
 2. W. Chen*, M. Rodrigues and I. Wassell, "On the Use of Unit-Norm Tight Frames to Improve the Average MSE Performance in Compressive Sensing Applications," IEEE Signal Processing Letters, vol. 19, pp. 8-11, January 2012.
 1. W. Chen* and I. Wassell, "Energy Efficient Signal Acquisition in Wireless Sensor Networks: A Compressive Sensing Framework," IET Wireless Sensor Systems, vol. 2, no. 1, pp. 1-8, March 2012. (Best Paper Award)

Conference Proceedings:

 26. Yang Liu, Wei Chen, Qingchao Chen, Ian Wassell, "Support Discrimination Dictionary Learning for Image Classification," European Conference on Computer Vision (ECCV), Amsterdam, Netherlands, Oct. 2016.
 25. Wei Chen, Ian Wassell, "Bayesian Learning for The Type-3 Joint Sparse Signal Recovery," IEEE International Conference on Communications (ICC), Kuala Lumpur, Malaysia, May 2016.
 24. Xin Ding, Wei Chen, Ian Wassell, "Nonconvex Compressive Sensing Reconstruction For Tensor Using Structures In Modes,"  IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), Shanghai, China, Mar. 2016.
 23. Yangqing Li, Saurabh Prasad, Wei Chen, Changchuan Yin, Zhu Han, "An Approximate Message Passing Approach For Compressive Hyperspectral Imaging Using A Simultaneous Low-Rank and Joint-Sparsity Prior," The 8th Workshop on Hyperspectral Image and Signal Processing: Evolution In Remote Sensing (Whispers) , Los Angeles, USA, Aug. 2016.
 22. Ruisi He, Wei Chen, Bo Ai, Andreas F. Molisch, Wei Wang, Zhangdui Zhong, Jian Yu, "A Sparsity-Based Clustering Framework for Radio Channel Impulse Responses," IEEE Vehicular Technology Conference (VTC), Nanjing, China, May 2016.
 21. Yu Wang, David Wipf, Qing Ling, Wei Chen, Ian Wassell, "Multi-Task Learning for Subspace Segmentation," International Conference on Machine Learning (ICML), Lille, France, July 2015.
 20. Yu Wang, David Wipf, Jeong Min Yun, Wei Chen, Ian J. Wassell, "Clustered Sparse Bayesian Learning," The Conference on Uncertainty in Artificial Intelligence (UAI), Amsterdam, Netherlands, July 2015.
 19. Yangqing Li, Wei Chen, Changchuan Yin, Zhu Han, " Approximate Message Passing for Sparse Recovering of Spatially and Temporally Correlated Data," The fourth IEEE International Conference on Communications in China (ICCC), Shenzhen, China, November 2015.
 18. Xin Ding, Wei Chen, Ian Wassell, "Block-Based Feature Adaptive Compressive Sensing for Video" The Third International Workshop on Multimedia Communications and Networking (MultiCom), held in conjunction with the 14th IEEE International Conference on Ubiquitous Computing and Communications (IUCC), Liverpool, UK, October 2015.
 17. Wei Chen, Ian Wassell, "Variational Bayesian Algorithm For Distributed Compressive Sensing,"  IEEE International Conference on Communications (ICC), London, UK, Jun 2015.
 16. Xin Ding, Wei Chen, Ian Wassell, "Sparsity-fused Kalman Filtering for Reconstruction of Dynamic Sparse Signals,"  IEEE International Conference on Communications (ICC), London, UK, Jun 2015.
 15. Wei Chen, Ian Wassell, "Compressive Sleeping Wireless Sensor Networks With Active Node Selection,"  IEEE Global Communications Conference (GLOBECOM), Dec. 2014.
 14. Xin Ding, Wei Chen, Ian Wassell, "Generalized-KFCS: Motion Estimation Enhanced Kalman Filtered Compressive Sensing for Video," IEEE International Conference on Image Processing (ICIP), Oct 2014.
 13. Yu Wang, David Wipf, Wei Chen, Ian Wassell, "Exploiting the Convex-Concave Penalty for Tracking: A Novel Dynamic Reweighted Sparse Bayesian Learning Algorithm," IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), May 2014.
 12. Miao Hu, Zhangdui Zhong, Wei Chen, "Sparse Erroneous Vehicular Trajectory Compression and Recovery Via Compressive Sensing," IEEE International Conference on Mobile Ad hoc and Sensor System (MASS), Philadelphia, USA, Oct. 2014.
 11. Wei Chen, Yiannis Andreopoulos, Ian Wassell, Miguel Rodrigues, "Towards Energy Neutrality in Energy Harvesting Wireless Sensor Networks: A Case for Distributed Compressive Sensing?," IEEE Global Communications Conference (GLOBECOM), Dec 2013.
 10. Yu Wang, Wei Chen, Ian Wassell, "Exploiting Hidden Block Sparsity: Interdependent Matching Pursuit for Cyclic Feature Detection," IEEE Global Communications Conference (GLOBECOM), Dec 2013.
 9. W. Chen, M. Rodrigues and I. Wassell, "On the Benefit of using Tight Frames for Robust Data Transmission and Compressive Data Gathering in Wireless Sensor Networks," in IEEE International Conference on Communications (ICC), Ottawa, Canada, Jun 2012.
 8. W. Chen, M. Rodrigues and I. Wassell, "Optimized Projections for Sensing Sparse Signals in Overcomplete Dictionaries," in The 37th IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), Kyoto, Japan, March 2012.
 7. W. Chen, M. Rodrigues and I. Wassell, "Distributed Compressive Sensing Reconstruction via Common Support Discovery," in IEEE International Conference on Communications (ICC), Kyoto, Japan, Jun 2011.
 6. W. Chen, M. Rodrigues and I. Wassell, "Penalized L1 Minimization for Reconstruction of Time-varying Sparse Signals," in The 36th IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), Prague, Czech Republic, May 2011.
 5. W. Chen and I. Wassell, "Energy Efficient Signal Acquisition via Compressive Sensing in Wireless Sensor Networks," in IEEE International Symposium on Wireless and Pervasive Computing (ISWPC 2011), Hong Kong, China, Feb 2011.
 4. W. Chen, T. Luo, F. Sun, D. Liu and G. Yue, ``Spatial Multiplexing and Scheduling in Cellular Networks with Relay Stations," in IEEE Vehicular Technology Conference (VTC) 2009-Fall.
 3. W. Chen, T. Luo, Z. Wang, G. Yue and H. Zheng, ``Performance Analysis of Different MIMO Transmission Modes with Link Adaptation," in IEEE Radio and Wireless Symposium (RWS) 2009.
 2. W. Chen, H. Zheng, Y. Li, S. Zhang and X. Wu, ``Beamforming Methods for Multiuser Relay Networks," in IEEE Vehicular Technology Conference (VTC) 2008-Fall.
 1. S. Zhang, Y. Li, W. Chen and X. Wu, ``Downlink Channel Estimation Model for 802.16e OFDMA System," in IEEE Vehicular Technology Conference (VTC) 2008-Fall.

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