Publications

2022

  • Q. Liu and Z. Zhang, “Ultra-low power always-on intelligent and connected SNN-based system for multimedia IOT-enabled applications”, IEEE Internet of Things Journal, 2022. (to appear)

  • J. Wang, J. Wu, M. Zhang, Q. Liu, H. Li, “A hybrid learning framework for deep spiking neural networks with one-spike temporal coding”, ICASSP, 2022. (to appear)

  • R. Liu, Q. Liu*, H. Zhu and H. Cao, “Multi-stage deep transfer learning for EmIOT-enabled human-computer interaction”, IEEE Internet of Things Journal, 2022. [pdf] (to appear)

  • Q. Liu and X.P. Li, “Efficient low-rank matrix factorization based on l1,ε-norm for online background subtraction”, IEEE Transactions on Circuits and Systems for Video Technology, 2022. [code] (to appear)

  • Q. Liu, X.P. Li, H. Cao and Y-T. Wu, "From simulated to visual data: A robust low-rank tensor completion approach using lp-regression for outlier resistance", IEEE Transactions on Circuits and Systems for Video Technology, 2022. [code] (to appear)

  • Q. Liu, X.P. Li and J. Yang, "Optimum co-design for image denoising between type-2 fuzzy identifier and matrix completion denoiser", IEEE Transactions on Fuzzy Systems, vol. 30, no. 1, p. 287-292, Jan. 2022. [code]

2021

  • J. Wu*, Q. Liu*, M. Zhang, Z. Pan and H. Li, "HuRAI: A brain-inspired computational model for human-robot auditory interface", Neurocomputing, vol. 465, p. 103-113, Nov. 2021. (Equal contribution)

  • Q. Liu, X.P. Li and H. Cao, "Two-dimensional localization: Low-rank matrix completion with random sampling in massive MIMO system", IEEE Systems Journal, vol. 15, no. 3, p. 3628-3631, 2021.

  • X. Qian, Q. Liu*, J. Wang and H. Li, “Three-dimensional speaker localization: Audio-refined visual scaling factor estimation”, IEEE Signal Processing Letters, vol. 28, p. 1405-1409, 2021. [demo]

  • Z. Zhang and Q. Liu*, "Spike-event-driven deep spiking neural network with temporal encoding", IEEE Signal Processing Letters, vol. 28, p. 484-488, 2021. [code]

  • Q. Liu and J. Wu, "Parameter tuning-free missing-feature reconstruction for robust sound recognition", IEEE Journal of Selected Topics in Signal Processing, vol. 15, no. 1, p. 78-89, Jan. 2021. [code]

2020

  • Q. Liu, J. Xu, Z. Ding and H.C. So, "Target localization with jammer removal using frequency diverse array", IEEE Transactions on Vehicular Technology, vol. 69, no. 10, p. 11685-11696, Oct. 2020.

  • Z. Wei, W. Wang*, F. Dong and Q. Liu*, "Gridless one-bit direction-of-arrival estimation via atomic norm denoising", IEEE Communications Letters, vol. 24, no. 10, p. 2177-2181, Oct. 2020. [code]

  • H. Cao, Q. Liu*, Y-T. Wu, "Transform domain: Design of closed-form joint 2-D DOA estimation based on QR decomposition", Circuits, Systems, and Signal Processing, vol. 39, no. 10, p. 5318-5329, Oct. 2020.

  • H. Cao and Q. Liu*, "Fast rank-revealing QR factorization for two-dimensional frequency estimation", IEEE Communications Letters, vol. 24, no. 6, p. 1240-1243, Jun. 2020. [code]

  • X.P. Li, Q. Liu* and H.C. So, "Rank-one matrix approximation with lp-norm for image inpainting", IEEE Signal Processing Letters, vol. 27, no. 1, p. 680-684, Dec. 2020. [code]

  • Q. Liu, H. Cao, W-T. Wu and C. Huang, "DOA estimation based on two-dimensional interpolation in the presence of mutual coupling", in Proceedings of IEEE Sensor Array and Multichannel Signal Processing Workshop (SAM 2020), Hangzhou, China, Jun. 2020.

2019

  • Z. Wei, X. Li, B. Wang, W. Wang and Q. Liu, "An efficient super-resolution DOA estimator based on grid learning", Radioengineering, vol. 28, no. 4, p. 785-792, Dec. 2019.

  • Q. Liu, Y. Gu and H.C. So, "DOA estimation in impulsive noise via low-rank matrix approximation and weakly convex optimization", IEEE Transactions on Aerospace and Electronic Systems, vol. 55, no. 6, p.3603-3616, Dec. 2019.

  • H. Cao, L-T. Huang*, Y-T. Wu and Q. Liu*, "Multidimensional single-tone frequency estimation based on QR decomposition", IEEE Access, vol. 7, p. 68153-68159, May 2019. [code]

  • Q. Liu, Y. Gu and H.C. So, "Smoothed sparse recovery via locally competitive algorithm and forward Euler discretization method", Signal Processing, vol. 157, p.97-102, Apr. 2019.

  • H. Cao, Q. Liu, "Accurate DOA estimation based on real-valued singular value decomposition", in Proceedings of the IEEE International Conference on Signal, Information and Data Processing (ICSIDP 2019), Chongqing, China, Dec. 2019. [code], [slides] (Best Paper Award)

2018

  • Q. Liu, C. Yang, Y. Gu and H.C. So, "Robust sparse recovery via weakly convex optimization in impulsive noise", Signal Processing, vol. 152, p. 84-89, Nov. 2018.

  • Q. Liu, X.P. Wang, "Direction of arrival estimation via reweighted l1 norm penalty algorithm for monostatic MIMO radar", Multidimensional Systems and Signal Processing, vol. 29, no. 2, p. 733-744, Apr. 2018.

2017

  • Q. Liu, H.C. So and Y. Gu, "Off-grid DOA estimation with nonconvex regularization via joint sparse representation", Signal Processing, vol. 140, p. 171-176, Nov. 2017.

2016

  • X.P. Wang, W. Wang, X. Li, Q. Liu and J. Liu, "Sparsity-aware DOA estimation scheme for noncircular source in MIMO radar", Sensors, vol. 16, no. 4, p. 539, Apr. 2016.

2015

  • Q. Liu, W. Wang, D. Liang and X.P. Wang, "Real-valued reweighted l1 norm minimization method based on data reconstruction in MIMO radar", IEICE Transactions on Communications, vol. 98, no. 11, p. 2307-2313, Nov. 2015.

  • X.P. Wang, W. Wang, J. Liu, Q. Liu and B. Wang, "Tensor-based real-valued subspace approach for angle estimation in bistatic MIMO radar with unknown mutual coupling", Signal Processing, vol. 116, p. 152-158, Nov. 2015.

  • W. Wang, D. Liang, Z. Wang, H. Yu and Q. Liu, "Design and implementation of a FPGA and DSP based MIMO radar imaging system", Radioengineering, vol. 24, no. 2, p. 518-526, Jun. 2015.

2014

  • G. Chen, Q. Liu, "Compressed sensing-based angle estimation for noncircular sources in MIMO radar", in Proceedings of the IEEE International Conference on Instrumentation and Measurement, Computer, Communication and Control (IMCCC 2014), p. 40-44, Harbin, China, Sep. 2014.

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