The University of Queensland

Clinical electromagnetic brain scanner

Abbosh, Amin, Bialkowski, Konstanty, Guo, Lei, Al-Saffar, Ahmed, Zamani, Ali, Trakic, Adnan, Brankovic, Aida, Bialkowski, Alina, Zhu, Guohun, Cook, David and Crozier, Stuart (2024). Clinical electromagnetic brain scanner. Scientific Reports, 14 (1) 5760. doi: 10.1038/s41598-024-55360-7

Compact Dual-Polarized Cavity-Backed Antenna with Wideband Performance for Deep Torso Imaging

Mousavi, Seyed Mohammad Hadi, Moosazadeh, Mahdi, Guo, Lei and Abbosh, Amin M. (2024). Compact Dual-Polarized Cavity-Backed Antenna with Wideband Performance for Deep Torso Imaging. IEEE Transactions on Antennas and Propagation, 1-1. doi: 10.1109/tap.2024.3353331

Training Universal Deep-Learning Networks for Electromagnetic Medical Imaging Using a Large Database of Randomized Objects

Xue, Fei, Guo, Lei, Bialkowski, Alina and Abbosh, Amin (2023). Training Universal Deep-Learning Networks for Electromagnetic Medical Imaging Using a Large Database of Randomized Objects. Sensors, 24 (1) 8, 8. doi: 10.3390/s24010008

Mechanical properties and wound healing potential of bacterial cellulose-xyloglucan-dextran hydrogels

Chen, Si-Qian, Liao, Qiudong, Meldrum, Oliver W., Guo, Lei, Wang, Kai, Zhang, Shuyan, Liu, Yujia, Chen, Xu, Zhu, Jie and Li, Lin (2023). Mechanical properties and wound healing potential of bacterial cellulose-xyloglucan-dextran hydrogels. Carbohydrate Polymers, 321 121268, 121268. doi: 10.1016/j.carbpol.2023.121268

An explainable deep learning method for microwave head stroke localization

Lai, Wei-chung, Guo, Lei, Bialkowski, Konstanty and Bialkowski, Alina (2023). An explainable deep learning method for microwave head stroke localization. IEEE Journal of Electromagnetics, RF and Microwaves in Medicine and Biology, 7 (4), 336-343. doi: 10.1109/jerm.2023.3287681

Brain injury localization and size estimation using electromagnetic symmetric crossing lines method

Zhu, Guohun, Bialkowski, Alina, Crozier, Stuart, Guo, Lei, Nguyen, Phong, Stancombe, Anthony and Abbosh, Amin (2023). Brain injury localization and size estimation using electromagnetic symmetric crossing lines method. IEEE Transactions on Instrumentation and Measurement, 72 2521011, 1-1. doi: 10.1109/tim.2023.3295014

Stroke diagnosis using microwave techniques: review of systems and algorithms

Guo, Lei, Alqadami, Abdulrahman S. M. and Abbosh, Amin (2022). Stroke diagnosis using microwave techniques: review of systems and algorithms. IEEE Journal of Electromagnetics, RF and Microwaves in Medicine and Biology, 7 (2), 122-14. doi: 10.1109/jerm.2022.3227724

Adaptive clustering distorted born iterative method for microwave brain tomography with stroke detection and classification

Guo, Lei, Khosravi-Farsani, Mojtaba, Stancombe, Anthony, Bialkowski, Konstanty and Abbosh, Amin (2022). Adaptive clustering distorted born iterative method for microwave brain tomography with stroke detection and classification. IEEE Transactions on Biomedical Engineering, 69 (4), 1512-1523. doi: 10.1109/tbme.2021.3122113

A tripartite data-driven approach for wide-band electromagnetic imaging

Al-Saffar, Ahmed, Guo, Lei and Abbosh, Amin (2021). A tripartite data-driven approach for wide-band electromagnetic imaging. IEEE Transactions on Computational Imaging, 7, 1278-1288. doi: 10.1109/tci.2021.3126928

The influence of alkaline treatment on the mechanical and structural properties of bacterial cellulose

Chen, Si-Qian, Meldrum, Oliver W., Liao, Qiudong, Li, Zhaofeng, Cao, Xiao, Guo, Lei, Zhang, Shuyan, Zhu, Jie and Li, Lin (2021). The influence of alkaline treatment on the mechanical and structural properties of bacterial cellulose. Carbohydrate Polymers, 271 118431, 1-9. doi: 10.1016/j.carbpol.2021.118431

Case Report: preliminary images from an electromagnetic portable brain scanner for diagnosis and monitoring of acute stroke

Cook, David, Brown, Helen, Widanapathirana, Isuravi, Shah, Darshan, Walsham, James, Trakic, Adnan, Zhu, Guohun, Zamani, Ali, Guo, Lei, Brankovic, Aida, Al-Saffar, Ahmed, Stancombe, Anthony, Bialkowski, Alina, Nguyen, Phong, Bialkowski, Konstanty, Crozier, Stuart and Abbosh, Amin (2021). Case Report: preliminary images from an electromagnetic portable brain scanner for diagnosis and monitoring of acute stroke. Frontiers in Neurology, 12 765412, 765412. doi: 10.3389/fneur.2021.765412

Calibrated frequency-division distorted born iterative tomography for real-life head imaging

Guo, L., Nguyen-Trong, N., AI-Saffar, A., Stancombe, A., Bialkowski, K. and Abbosh, A. (2021). Calibrated frequency-division distorted born iterative tomography for real-life head imaging. IEEE Transactions on Medical Imaging, 41 (5), 1087-1103. doi: 10.1109/TMI.2021.3132000

Metamaterial-inspired radiofrequency (RF) shield with reduced specific absorption rate (SAR) and improved transmit efficiency for UHF MRI

Chen, Haiwei, Guo, Lei, Li, Mingyan, Destruel, Aurelien, Liu, Chunyi, Weber, Ewald, Liu, Feng and Crozier, Stuart (2021). Metamaterial-inspired radiofrequency (RF) shield with reduced specific absorption rate (SAR) and improved transmit efficiency for UHF MRI. IEEE Transactions on Biomedical Engineering, 68 (4) 9190053, 1178-1189. doi: 10.1109/tbme.2020.3022884

Stroke classification in simulated electromagnetic imaging using graph approaches

Zhu, Guohun, Bialkowski, Alina, Guo, Lei, Mohammed, Beada'a and Abbosh, Amin (2021). Stroke classification in simulated electromagnetic imaging using graph approaches. IEEE Journal of Electromagnetics, RF and Microwaves in Medicine and Biology, 5 (1) 9095216, 46-53. doi: 10.1109/JERM.2020.2995329

Divergence-based magnetic resonance electrical properties tomography

Liu, Chunyi, Guo, Lei, Li, Mingyan, Chen, Haiwei, Jin, Jin, Chen, Wufan, Liu, Feng and Crozier, Stuart (2021). Divergence-based magnetic resonance electrical properties tomography. IEEE Transactions on Biomedical Engineering, 68 (1) 9120284, 192-203. doi: 10.1109/tbme.2020.3003460

Graph attention network in microwave imaging for anomaly localization

Al-Saffar, A., Guo, L. and Abbosh, A. (2021). Graph attention network in microwave imaging for anomaly localization. IEEE Journal of Electromagnetics, RF and Microwaves in Medicine and Biology, 6 (2), 1-7. doi: 10.1109/JERM.2021.3112910

Microwave tomography using random multiple-input-multiple-output contrast source inversion

Guo, Lei, Nguyen-Trong, Nghia, Nguyen, Phong Thanh, Bialkowski, Konstanty and Abbosh, Amin (2021). Microwave tomography using random multiple-input-multiple-output contrast source inversion. IEEE Antennas and Wireless Propagation Letters, 20 (8) 9430746, 1369-1373. doi: 10.1109/LAWP.2021.3079905

Closing the gap of simulation to reality in electromagnetic imaging of brain strokes via deep neural networks

Al-Saffar, Ahmed, Bialkowski, Alina, Baktashmotlagh, Mahsa, Trakic, Adnan, Guo, Lei and Abbosh, Amin (2020). Closing the gap of simulation to reality in electromagnetic imaging of brain strokes via deep neural networks. IEEE Transactions on Computational Imaging, 7 9274540, 13-21. doi: 10.1109/tci.2020.3041092

Expedited stroke imaging with electromagnetic polar sensitivity encoding

Trakic, A., Brankovic, A., Zamani, A., Nguyen-Trong, N., Mohammed, B., Stancombe, A., Guo, L., Bialkowski, K. and Abbosh, A. (2020). Expedited stroke imaging with electromagnetic polar sensitivity encoding. IEEE Transactions on Antennas and Propagation, 68 (12) 9103981, 8072-8081. doi: 10.1109/tap.2020.2996810

Magnetic resonance-electrical properties tomography by directly solving Maxwell’s Curl Equations

Chi, Jieru, Guo, Lei, Destruel, Aurelien, Wang, Yaohui, Liu, Chunyi, Li, Mingyan, Weber, Ewald, Liu, Qinghuo, Yang, Jie, Xin, Xuegang and Liu, Feng (2020). Magnetic resonance-electrical properties tomography by directly solving Maxwell’s Curl Equations. Applied Sciences, 10 (9) 3318, 1-13. doi: 10.3390/app10093318

Integral MR-EPT with the Calculation of Coil Current Distributions

Guo, Lei, Li, Mingyan, Nguyen, Phong, Liu, Feng and Crozier, Stuart (2019). Integral MR-EPT with the Calculation of Coil Current Distributions. IEEE Transactions on Medical Imaging, 39 (1) 8736288, 175-187. doi: 10.1109/tmi.2019.2922318

A dichotomization winding scheme on a novel asymmetric head gradient coil design with an improved force and torque balance

Wang, Yaohui, Wang, Qiuliang, Guo, Lei, Chen, Zhifeng, Zhang, Xinyuan, Qu, Hongyi and Liu, Feng (2019). A dichotomization winding scheme on a novel asymmetric head gradient coil design with an improved force and torque balance. IEEE Transactions on Biomedical Engineering, 66 (12) 8664649, 1-1. doi: 10.1109/tbme.2019.2904213

Reference-based integral MR-EPT: simulation and experiment studies on the 9.4T MRI

Guo, Lei, Jin, Jin, Li, Mingyan, Wang, Yaohui, Liu, Chun yi, Liu, Feng and Crozier, Stuart (2018). Reference-based integral MR-EPT: simulation and experiment studies on the 9.4T MRI. IEEE Transactions on Biomedical Engineering, 66 (7) 8523676, 1-1. doi: 10.1109/tbme.2018.2879667

An actively shielded gradient coil design for use in planar MRI systems with limited space

Wang, Yaohui, Wang, Qiuliang, Guo, Lei, Chen, Zhifeng, Niu, Chaoqun and Liu, Feng (2018). An actively shielded gradient coil design for use in planar MRI systems with limited space. Review of Scientific Instruments, 89 (9) 095110, 095110. doi: 10.1063/1.5043331

Planar in-phase filtering power divider with tunable power division and controllable band for wireless communication systems

Zhu, He, Abbosh, Amin M. and Guo, Lei (2018). Planar in-phase filtering power divider with tunable power division and controllable band for wireless communication systems. IEEE Transactions on Components, Packaging and Manufacturing Technology, 8 (8) 8260827, 1458-1468. doi: 10.1109/TCPMT.2017.2786245

MR-based electrical properties tomography using a modified finite difference scheme

Liu, Chunyi, Jin, Jin, Guo, Lei, Li, Mingyan, Tesiram, Yasvir, Chen, Haiwei, Liu, Feng, Xin, Xuegang and Crozier, Stuart (2018). MR-based electrical properties tomography using a modified finite difference scheme. Physics in Medicine and Biology, 63 (14) 145013, 145013. doi: 10.1088/1361-6560/aacc35

Numerical simulations on active shielding methods comparison and wrapped angle optimization for gradient coil design in MRI with enhanced shielding effect

Wang, Yaohui, Xin, Xuegang, Guo, Lei, Chen, Zhifeng and Liu, Feng (2018). Numerical simulations on active shielding methods comparison and wrapped angle optimization for gradient coil design in MRI with enhanced shielding effect. Review of Scientific Instruments, 89 (5) 055116, 055116. doi: 10.1063/1.5020087

Stroke localization and classification using microwave tomography with k-means clustering and support vector machine

Guo, Lei and Abbosh, Amin (2018). Stroke localization and classification using microwave tomography with k-means clustering and support vector machine. Bioelectromagnetics, 39 (4), 312-324. doi: 10.1002/bem.22118

Phase Reconfigurable Microwave Power Divider

Guo, Lei, Zhu, He and Abbosh, Amin (2018). Phase Reconfigurable Microwave Power Divider. IEEE Transactions on Circuits and Systems II: Express Briefs, 66 (1) 8344759, 21-25. doi: 10.1109/TCSII.2018.2829200

An efficient integral-based method for three-dimensional MR-EPT and the calculation of the RF-Coil-Induced Bz field

Guo, Lei, Jin, Jin, Liu, Chunyi, Liu, Feng and Crozier, Stuart (2017). An efficient integral-based method for three-dimensional MR-EPT and the calculation of the RF-Coil-Induced Bz field. IEEE Transactions on Biomedical Engineering, 65 (2) 8068998, 282-293. doi: 10.1109/TBME.2017.2763590

An integrated indicator system for patent portfolios: evidence from the telecommunications industry

Guo, Lei, Zhang, Marina, Dodgson, Mark J. and Cai, Hong (2016). An integrated indicator system for patent portfolios: evidence from the telecommunications industry. Technology Analysis and Strategic Management, 29 (6), 1-14. doi: 10.1080/09537325.2016.1220514

Wideband phase shifter with wide phase range using parallel coupled lines and L-shaped networks

Guo, L., Zhu, H. and Abbosh, A. (2016). Wideband phase shifter with wide phase range using parallel coupled lines and L-shaped networks. IEEE Microwave and Wireless Components Letters, 26 (8) 7519058, 592-594. doi: 10.1109/LMWC.2016.2587833

Wideband four-way filtering power divider with sharp selectivity and wide stopband using looped coupled-line structures

Zhu, He, Abbosh, Amin M. and Guo, Lei (2016). Wideband four-way filtering power divider with sharp selectivity and wide stopband using looped coupled-line structures. IEEE Microwave and Wireless Components Letters, 26 (6) 7473921, 413-415. doi: 10.1109/LMWC.2016.2562107

Wideband tunable in-phase power divider using three-line coupled structure

Guo, L., Zhu, H. and Abbosh, A. M. (2016). Wideband tunable in-phase power divider using three-line coupled structure. IEEE Microwave and Wireless Components Letters, 26 (6) 7470611, 404-406. doi: 10.1109/LMWC.2016.2562058

Microwave imaging of nonsparse domains using born iterative method with wavelet transform and block sparse bayesian learning

Guo, Lei and Abbosh, Amin M. (2015). Microwave imaging of nonsparse domains using born iterative method with wavelet transform and block sparse bayesian learning. IEEE Transactions on Antennas and Propagation, 63 (11) 7222402, 4877-4888. doi: 10.1109/TAP.2015.2473000

Optimization-based confocal microwave imaging in medical applications

Guo, Lei and Abbosh, Amin M. (2015). Optimization-based confocal microwave imaging in medical applications. IEEE Transactions on Antennas and Propagation, 63 (8) 7109867, 3531-3539. doi: 10.1109/TAP.2015.2434394

Microwave Stepped Frequency Head Imaging Using Compressive Sensing With Limited Number of Frequency Steps

Guo, L. and Abbosh, A. M. (2015). Microwave Stepped Frequency Head Imaging Using Compressive Sensing With Limited Number of Frequency Steps. IEEE Antennas and Wireless Propagation Letters, 14 7018909, 1133-1136. doi: 10.1109/LAWP.2015.2396054

Ultra-wideband unequal in-phase power divider using three-line coupled structure

Zhu, H., Abbosh, A. and Guo, L. (2014). Ultra-wideband unequal in-phase power divider using three-line coupled structure. Electronics Letters, 50 (15), 1081-1082. doi: 10.1049/el.2014.1214

Ultra-wideband in-phase power divider using stepped-impedance three-line coupled structure and microstrip-to-slotline transitions

Guo, L., Abbosh, A. and Zhu, H. (2014). Ultra-wideband in-phase power divider using stepped-impedance three-line coupled structure and microstrip-to-slotline transitions. Electronics Letters, 50 (5), 383-384. doi: 10.1049/el.2013.4160

Phase shifters with wide range of phase and ultra-wideband performance using stub-loaded coupled structure

Guo, L. and Abbosh, A. (2014). Phase shifters with wide range of phase and ultra-wideband performance using stub-loaded coupled structure. IEEE Microwave and Wireless Components Letters, 24 (3) 6710204, 167-169. doi: 10.1109/LMWC.2013.2293658

Three-way signal divider with tunable ratio for adaptive transmitting antenna arrays

Abbosh, A. and Guo, L. (2012). Three-way signal divider with tunable ratio for adaptive transmitting antenna arrays. IET Microwaves Antennas and Propagation, 6 (12), 1318-1324. doi: 10.1049/iet-map.2012.0124

Liquid crystal tunable stripline phase shifter

Zhou, Haoyu, Guo, Lei and Abbosh, Amin (2023). Liquid crystal tunable stripline phase shifter. 5th Australian Microwave Symposium (AMS), Melbourne, Australia, 16-17 February 2023. Piscataway, NJ, United States: Institute of Electrical and Electronics Engineers. doi: 10.1109/ams57822.2023.10062318

Microwave imaging using cascaded convolutional neural networks

Xue, Fei, Guo, Lei and Abbosh, Amin (2023). Microwave imaging using cascaded convolutional neural networks. 5th Australian Microwave Symposium (AMS), Melbourne, Australia, 16-17 February 2023. Piscataway, NJ, United States: Institute of Electrical and Electronics Engineers. doi: 10.1109/ams57822.2023.10062327

Compressive sensing using approximated total variant transform to reduce the required number of antennas in radar-based medical imaging

Guo, Lei, Bialkowski, K. and Abbosh, Amin (2017). Compressive sensing using approximated total variant transform to reduce the required number of antennas in radar-based medical imaging. 2017 IEEE International Symposium on Antennas and Propagation, San Diego, CA, United States, 9-14 July 2017. Piscataway, NJ, United States: Institute of Electrical and Electronics Engineers. doi: 10.1109/APUSNCURSINRSM.2017.8072261

Microwave head imaging using multi-frequency tomography

Guo, Lei and Abbosh, Amin (2016). Microwave head imaging using multi-frequency tomography. International Conference on Electromagnetics in Advanced Applications, ICEAA, Bristol, United Kingdom, 19-23 September 2016. Piscataway, NJ, United States: IEEE. doi: 10.1109/ICEAA.2016.7731485

Microwave technique for brain stroke localization and classification using block sparse Bayesian learning with wavelet transform

Guo, L. and Abbosh, A. M. (2015). Microwave technique for brain stroke localization and classification using block sparse Bayesian learning with wavelet transform. Asia-Pacific Microwave Conference (APMC), Nanjing, China, 6-9 December 2015. Piscataway, NJ, United States: IEEE. doi: 10.1109/APMC.2015.7413188

Planar UWB phase shifter using parallel coupled lines combined with short-ended stubs and impedance transformer

Guo, L., Zhu, H. and Abbosh, A. M. (2015). Planar UWB phase shifter using parallel coupled lines combined with short-ended stubs and impedance transformer. Asia-Pacific Microwave Conference (APMC), Nanjing, China, 6-9 December 2015. Piscataway, NJ, United States: IEEE. doi: 10.1109/APMC.2015.7413131

Wavelet-based compressive sensing for head imaging

Guo, Lei and Abbosh, A. M. (2015). Wavelet-based compressive sensing for head imaging. International Symposium on Antennas and Propagation (ISAP), Hobart, TAS, Australia, 9-12 November 2015. Piscataway, NJ, United States: IEEE.

Compressive sensing for stroke detection in microwave-based head imaging

Guo, L. and Abbosh, A. M. (2014). Compressive sensing for stroke detection in microwave-based head imaging. 2014 IEEE Antennas and Propagation Society International Symposium, APSURSI 2014, Memphis, TN United States, 6-11 July 2014. Piscataway, NJ United States: Institute of Electrical and Electronics Engineers. doi: 10.1109/APS.2014.6905282

Multilayer phase shifter with wide range of phase and ultra-wideband performance

Guo, L. and Abbosh, A. (2013). Multilayer phase shifter with wide range of phase and ultra-wideband performance. Asia-Pacific Microwave Conference, APMC 2013, Seoul, Korea, 5 - 8 November 2013. Piscataway, NJ United States: I E E E. doi: 10.1109/APMC.2013.6695176

Ultra-wideband phase shifter using broadside-coupled microstrip coplanar waveguide

Guo, L. and Abbosh, A. (2013). Ultra-wideband phase shifter using broadside-coupled microstrip coplanar waveguide. 3rd Asia-Pacific Microwave Conference Proceedings (APMC), Seoul South Korea, 5-8 November 2013. Piscataway, NJ, United States: IEEE. doi: 10.1109/APMC.2013.6694985

Processing and imaging techniques for microwave-based head imaging

Guo, Lei (2017). Processing and imaging techniques for microwave-based head imaging. PhD Thesis, School of Information Technology and Electrical Engineering, The University of Queensland. doi: 10.14264/uql.2017.166