- Wireless Body Area Networks
- Energy Harvesting in Wireless Networks
- Wireless Power Transfer Systems
- Microwave Imaging and Scattering Analysis
- Antenna Design and Analysis
- Microwave and Dielectric Measurement Techniques
- Underwater Vehicles and Communication Systems
- Energy Efficient Wireless Sensor Networks
- Satellite Communication Systems
- Opportunistic and Delay-Tolerant Networks
- Ultrasonics and Acoustic Wave Propagation
- Mobile Ad Hoc Networks
- COVID-19 diagnosis using AI
- AI in cancer detection
- Electrical and Bioimpedance Tomography
- Neuroscience and Neural Engineering
- Artificial Intelligence in Healthcare and Education
- Radiomics and Machine Learning in Medical Imaging
- Molecular Communication and Nanonetworks
- Smart Parking Systems Research
- Ethics and Social Impacts of AI
- Advanced Optical Network Technologies
- UAV Applications and Optimization
- Advanced Photonic Communication Systems
- Electromagnetic Fields and Biological Effects
The University of Queensland
2016-2024
Queensland University of Technology
2017-2024
Australian Resources Research Centre
2024
Commonwealth Scientific and Industrial Research Organisation
2024
Astronomy and Space
2023
Khalifa University of Science and Technology
2011-2015
Abstract Data scarcity is a major challenge when training deep learning (DL) models. DL demands large amount of data to achieve exceptional performance. Unfortunately, many applications have small or inadequate train frameworks. Usually, manual labeling needed provide labeled data, which typically involves human annotators with vast background knowledge. This annotation process costly, time-consuming, and error-prone. every framework fed by significant automatically learn representations....
Rapid advances in antennas, propagation, electromagnetics, and materials are opening new unexplored opportunities body area sensing stimulation. Next-generation wearables implants seamlessly providing round-the-clock monitoring. In turn, numerous applications brought forward with the potential to ultimately transform healthcare, sports, consumer electronics, beyond. This review paper provides a comprehensive overview, discusses challenges opportunities, indicates future directions for: (a)...
Given the tremendous potential and influence of artificial intelligence (AI) algorithmic decision-making (DM), these systems have found wide-ranging applications across diverse fields, including education, business, healthcare industries, government, justice sectors. While AI DM offer significant benefits, they also carry risk unfavourable outcomes for users society. As a result, ensuring safety, reliability, trustworthiness becomes crucial. This article aims to provide comprehensive review...
Near-field inductive-coupling link can establish a reliable power source to batteryless implantable medical device based on Faraday's law of induction.In this paper, the design, modeling, and experimental verification an between off-body loop antenna 0.9 three-dimensional (3-D) bowtie brain is presented. To ensure reliability embedded in cerebral spinal fluid realistic human head model. Exposure, temperature, propagation simulations near electromagnetic fields frequency-dispersive model were...
An inductively powered brain implantable medical device (BIMD) in lieu of a battery-assisted BIMD has the ability to provide reliable power supply and avoid surgical replacement discharged battery. In this letter, we propose three-dimensional (3-D) bowtie antenna embedded cerebral spinal fluid (CSF) coupled with an exterior loop antenna. The transfer efficiency is maximized by designing matching circuit for antennas reduce high intrinsic reactive part input impedance. To ensure safety...
Precise data acquisition and modeling of healthy dermal dielectric properties are critical for accurate skin anomaly detection studies. For this purpose, an extensive campaign around 1000 measurements across a band 1-30 GHz leads to the conclusion that each region interest (ROI) provides unique properties. Therefore, single-skin model would not suffice represent complete human body. The acquired predominantly from layer; however, considering sensing depth utilized coaxial cable, subcutaneous...
The high rate of knee injuries among athletes and other people the need for early onsite detection to avoid severe ligament tear highlight necessity a portable imaging tool. Thus, an electromagnetic system based on multistatic radar image is introduced. includes antenna array eight printed biconical elements, which have wide operational bandwidth 103.4%, covering band 0.7–2.2 GHz, unidirectional radiation with front-to-back ratio improved imaging. placed movable holders around ensure equal...
The recent advances in wireless mesh communications technologies have given the rise to evolve maritime networks (MWMNs). Maritime users require more high data rate applications, where cost associated with conventional satellite and legacy systems that provide low applications posed major limitations for emergence of MWMNs. Besides, network architecture protocol design remain big challenges coping different ship mobility patterns numerous navigational scenarios environment. Most research...
The increasing utilization of cerebrospinal fluid (CSF) in early detection Alzheimer's disease (AD) is attributed to the change Amyloid-β proteins. Since, brain suspended CSF, changes proteins CSF reflect a pathophysiological variation due AD. However, correlation between and dielectric properties (DPs) still an open question. This paper reports characterized DPs collected from canines using lumbar punctures. samples show strong with respect human terms loss tangent, which indicates...
A prototype of an intelligent guide for the blind person is successfully designed, implemented and tested. The device facilitating movement by warning him/her about any nearby obstacles in order to help during daily activities. guidance will be provided form audio instructions through headset based on real-time situation both indoor outdoor environments. system tested at different normal conditions with Emirates Blind Care Association Sharjah, UAE.
Deep Learning (DL) requires a large amount of training data to provide quality outcomes. However, the field medical imaging suffers from lack sufficient for properly DL models because images require manual labelling carried out by clinical experts thus process is time-consuming, expensive, and error-prone. Recently, transfer learning (TL) was introduced reduce need annotation procedure means transferring knowledge performed previous task then fine-tuning result using relatively small...
An accurate non-invasive electromagnetic skin imaging system requires a precise dermal tissue characterization. Studies related to microwave and millimeter-wave techniques indicate significant difference in the dielectric properties between healthy malignant tissues. Malignant tissues tend have higher water content compared Therefore, of cancerous can be expressed as function characteristics their respective content. In this work, formula is derived calculate human melanoma (MM) basal cell...
Precise dielectric properties (DPs) of biological tissues play an essential role in the development non-invasive microwave diagnostic and therapeutic systems. There is much information literature about DPs healthy tissues; however, there a gap unhealthy at different ages. Each tissue can be described by its solid fraction water content values. The observed changes with level tissue' s (increase or decrease) according to condition (i.e., pathology age). For current study, 19 from 61 pigs ages...
The detection and classification of lung nodules are crucial in medical imaging, as they significantly impact patient outcomes related to cancer diagnosis treatment. However, existing models often suffer from mode collapse poor generalizability, fail capture the complete diversity data distribution. This study addresses these challenges by proposing a novel generative adversarial network (GAN) architecture tailored for semi-supervised nodule classification. proposed DDDG-GAN model consists...
The changes in dielectric properties of cerebrospinal fluid (CSF) can be utilized diagnosis cognitive diseases. aim this paper is to investigate the employability an implantable antenna concurrently operate as a radiator and sensor CSF. antennas exploit narrow slits gaps capacitors for sensing permittivity Three are designed based on capacitively loaded loop (CLL), complementary split ring (CSRL), interdigital capacitor (IDCL). To if CSF function age, vitro measurements different from pigs...
The rapid evolution in brain implantable medical devices (BIMDs) promises a new paradigm of diagnosis, monitoring, and therapeutics. MedRadio frequency band (401-406 MHz) offers an acceptable penetration electromagnetic (EM) fields biological tissues thus is well suited for wireless telemetry (WMT). Unlike other parts the body, head exhibit high level EM absorption, which provides significant challenge implanted this part body. Therefore, it important to appraise data communication path loss...
The potential of electromagnetic knee imaging system verified on ex-vivo pig joint as an essential step before clinical trials is demonstrated. system, which includes antenna array eight printed biconical elements operating at the band 0.7-2.2 GHz, portable and cost-effective. Importantly, it can provide daily monitoring onsite real-time examinations tool for injuries.Six healthy hind legs from three dead adult pigs were removed hip suspended in developed system. For each pig, right-...
Maritime wireless mesh networks (MWMNs) are conceived to provide network connectivity for maritime users and enable them communicate with correspondent connected terrestrial communication networks. The high cost low data-rate of satellite other legacy technologies systems deployed in MWMNs pose major limitation establish reliable affordable communications. In addition, the design routing protocols remains a significant challenge due lack infrastructure complexity environment. This paper...
Over the past couple of years, there has been a growing interest in implantable medical devices (IMDs) for diagnostic, monitoring, and therapeutic applications. Wireless power transfer (WPT) to IMDs enables removal batteries further miniaturization overall footprint. Accurate modeling dielectric properties is therefore essential inevitable dosimetry studies investigate safety considerations WPT IMDs. In this paper, an accurate fourth-order Debye model derived based on metaheuristic genetic...
The design of an implantable equilateral triangle patch antenna is presented. tapered with narrow slits to meander the current path lower resonant frequency 402MHz. By changing length and width adding a shortening pin, compact size achieved, which around 141mm <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">3</sup> . Two implantation setups are considered. has been initially designed inside skin cube 3-D spherical head model taking into account...
Given the rapid introduction of mobile phones and other portable wireless devices into society, increased possibility young children using or being exposed to electromagnetic (EM) fields, a study specific absorption rate (SAR) in head is becoming increasingly relevant. To accurately evaluate exposure realistic models, which consider age-specific anatomical structure age-dependent tissues dielectric properties, are developed. During postnatal development human tissues, number size cells...
The design of a new miniaturized circular implantable antenna at 1 GHz is presented along with the near-field radiation performance inside human skin. For minimally invasive head, skin has been selected as implantation tissue. To effectively miniaturize antenna, unequal cross slots shortening pin have added to achieve total volume 185mm <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">3</sup> . encapsulated in cylindrical biocompatible alumina...
Coverage of a camera sensor network (CSN) is critical issue in deploying such maritime environment. In environment, sensors will not be stationary after the initial deployment due to hostile sea Hence, mobility pattern poses major limitation on identifying time-varying coverage. full-view coverage, target's facing direction has been introduced judge whether guaranteed captured. To this end, we exploit coverage CSN, since image shots at frontal viewpoint given target considerably increase...
Summary In stationary camera sensor networks (CSNs), when the deployment characteristics and sensing models are defined, coverage can be deduced remain unchanged over time. However, in maritime environment, rough random sea condition move CSN from initial location. We envisage that sensors mounted on quasi‐mobile platforms such as buoys. Hence, it is important to understand effect of realistic surface movements achieving full‐view because coverage, target's facing direction taken into...