A5060845978- Indoor and Outdoor Localization Technologies
- Ultra-Wideband Communications Technology
- GNSS positioning and interference
- EEG and Brain-Computer Interfaces
- Wireless Networks and Protocols
- Target Tracking and Data Fusion in Sensor Networks
- Non-Invasive Vital Sign Monitoring
- Network Security and Intrusion Detection
- Distributed and Parallel Computing Systems
- Advanced Data Processing Techniques
- Nuclear and radioactivity studies
- Sports Performance and Training
- Energy Harvesting in Wireless Networks
- Natural product bioactivities and synthesis
- Energy Efficient Wireless Sensor Networks
- Network Time Synchronization Technologies
- Innovative Approaches in Technology and Social Development
- DNA and Biological Computing
- Telemedicine and Telehealth Implementation
- Healthcare Technology and Patient Monitoring
- Mobile Learning in Education
- Sports Dynamics and Biomechanics
- Air Traffic Management and Optimization
- Digital Innovation in Industries
- Guidance and Control Systems
Bielefeld University
2016-2023
McLaren Macomb
2019
Bay Institute
2019
GlaxoSmithKline (United Kingdom)
2015
Queensland University of Technology
2009
University of Graz
2008
Timber Institute
1996-2001
Background: Echocardiographic quantification of left ventricular (LV) ejection fraction (EF) relies on either manual or automated identification endocardial boundaries followed by model-based calculation end-systolic and end-diastolic LV volumes. Recent developments in artificial intelligence resulted computer algorithms that allow near detection measurement volumes function. However, boundary is still prone to errors limiting accuracy certain patients. We hypothesized a fully machine...
In ultra-wideband (UWB)-based wireless ranging or distance measurement, differentiation between line-of-sight (LOS), non-line-of-sight (NLOS), and multi-path (MP) conditions is important for precise indoor localization. This because the accuracy of reported measured in UWB systems directly affected by measurement (LOS, NLOS, MP). However, major contributions literature only address binary classification LOS NLOS systems. The MP condition usually ignored. fact, also has a significant impact...
Abstract The cure from cancer is still not a reality for all patients, which mainly due to the limitations of chemotherapy (e.g., drug resistance and toxicity). Apart high-throughput screening synthetic chemical libraries, natural products represent attractive alternatives development. We have done systematic bioactivity-based derived medicinal plants used in traditional Chinese medicine. Plant extracts with growth-inhibitory activity against tumor cells been fractionated by chromatographic...
The Two-Way Ranging (TWR) method is commonly used for measuring the distance between two wireless transceiver nodes, especially when clock synchronization nodes not available. For modeling time-of-flight (TOF) error in TWR, existing model, described IEEE 802.15.4-2011 standard, solely based on drift. However, it inadequate in-depth comparative analysis different TWR methods. In this paper, we propose a novel TOF Error Estimation Model (TEEM) Using proposed evaluate analytical results were...
Lefleuganan, a clinical stage drug candidate for the treatment of cutaneous leishmaniasis, is synthetic nonapeptide inspired by natural antimicrobial peptide leucinostatin A, exhibiting excellent antiprotozoal activity in low nM range. Lefleuganan shows strongly reduced acute toxicity, making it amenable use. Here, using broad set vivo and vitro measurements purified enzymes, we find that but not lefleuganan, specifically targets mitochondrial ATP synthase, inhibiting synthesis human,...
In absence of clock synchronization, Two-Way Ranging (TWR) is the most commonly used technique for measuring distance between two wireless transceivers. The existing time-of-flight (TOF) error estimation model, IEEE 802.15.4-2011 standard, specifically based on drift error. However, it insufficient when an in-depth comparative analysis different TWR methods required. this paper, we propose extended TOF model methods, 802.15.4 standard. Using proposed perform analytical study among methods....
On-court activity profiles in team-handball can help coaches to individualise conditioning programmes for the purposes of performance enhancement and return performance. The aim our study was quantify on-court an independent sample elite players related playing positions time. 16 matches a german first division squad were recorded by two ceiling cameras. Based on trajectory data semi-automatic tracking windows, we quantified 168 players. Wings (n = 44) showed higher absolute due increased...
Brain-Computer Interfaces (BCIs) based on Steady-State Visually Evoked Potentials (SSVEPs) can be used as hand-free control device. To utilize this method in a real life scenario, we created system which smart home is controlled by BCI. Six devices the environment could with BCI system: The entrance door, wardrobe, kitchens' worktop and drawers, light of all rooms guide light. In presented paper, visual stimuli for were placed at multiple screens (placed different locations such kitchen...
In the past, several contributions and proposals for implementation of Ultra-wideband (UWB)-based localization positioning solutions on system level were made. However, most them are limited to a unidirectional approach, i.e. data communication is in one direction (from transmitter receiver). This restricts systems' use-case either navigation or tracking. this paper, we demonstrate an UWB-based bidirectional which capable acting as both tracking single wireless platform. Regarding this,...
In this paper, we analyze five true-range positioning algorithms for UWB-based localization systems.The evaluated are: (i) trilateration using a geometric method, (ii) closed-form multilateration solution least squares, (iii) an iterative approach first-order Taylor series, recursive based on (iv) the Extended Kalman Filter (EKF), and (v) Unscented (UKF).In contrast to existing comparative studies in literature, which are solely simulation results, our analysis is experimental...
In this paper we present a method to predict cognitive workload during the interaction with tablet computer. To set up predictor that estimates reflected self-reported analyzed information gain of heart rate, electrodermal activity and user input (touch) based features. From derived optimal feature Gaussian Process learner enables fine-grained short term detection workload. Average inter-subject accuracy in 10-fold cross validation is 74.1 % for 5-class problem 96.0 binary class problem.
In Ultra-wideband (UWB)-based wireless ranging or distance measurement, differentiation between line-of-sight~(LOS), non-line-of-sight~(NLOS), and multi-path (MP) conditions are important for precise indoor localization. This is because the accuracy of reported measured in UWB systems directly affected by measurement (LOS, NLOS MP). However, major contributions literature only address binary classification LOS systems. The MP condition usually ignored. fact, also has a significant impact on...
Energy efficiency is the most outstanding design criterion for wireless sensor nodes and especially body sensors. Because a detailed measurement of system's power consumption not possible during process often too complex already manufactured devices, has to be estimated. This leads need comprehensive modular model WSNs, which proposed in this work. Due structure user able get first estimate an early stage (e.g. choose components) more accurate estimation later by lowering abstraction level....
This paper outlines a proposal for how to implement Central Bank Digital Currencies (CBDC) based on open banking standards and supports both account-based token-based CBDC models, transacting online offline with immediate finality, while recognising the European PSD2 requirements, including (multi-factor) strong customer authentication (SCA). The authors recognise limitations current smartphone technologies respect deploying trusted applications in performing role of qualified signature...
Body sensors have a promising contribution to health promotion in many areas of daily life (telemedicine, corporate care or recreational sports). However, the valid measurement vital signs and kinematic data strongly depends on signals' quality users' compliance (proper usage). Although, there is lot research work concerning accuracy calibration wireless body human user typically not involved. Thus, this work, we present software assistant (wizard) that guides users during process attaching...
The concept of packet acknowledgement in wireless communication networks is crucial for reliable data transmission. However, reliability comes with the cost an increased duty cycle network. This due to additional time every single sent. Therefore, energy consumption and latency all sensor nodes whilst overall throughput network decreases. paper contributes adaptive on-demand protocol star topology. goal tackle trade-off between efficiency transmission. proposed able detect congestion real...