Antonio Affanni
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View article: Advanced Necklace for Real-Time PPG Monitoring in Drivers
Advanced Necklace for Real-Time PPG Monitoring in Drivers Open
Monitoring heart rate (HR) through photoplethysmography (PPG) signals is a challenging task due to the complexities involved, even during routine daily activities. These signals can indeed be heavily contaminated by significant motion arti…
View article: Acquisition and integration of differential pressure measurements on sails for boat performances improvement
Acquisition and integration of differential pressure measurements on sails for boat performances improvement Open
In this paper, we integrated within a specifically developed acquisition system, denoted as Oceanus, the measurements from a differential pressure sensor between the two sides of a sail (windward and leeward sides); experiments have been p…
View article: Drivers’ Mental Engagement Analysis Using Multi-Sensor Fusion Approaches Based on Deep Convolutional Neural Networks
Drivers’ Mental Engagement Analysis Using Multi-Sensor Fusion Approaches Based on Deep Convolutional Neural Networks Open
In this paper, we present a comprehensive assessment of individuals’ mental engagement states during manual and autonomous driving scenarios using a driving simulator. Our study employed two sensor fusion approaches, combining the data and…
View article: Bridging Large-Signal and Small-Signal Responses of Hafnium-Based Ferroelectric Tunnel Junctions
Bridging Large-Signal and Small-Signal Responses of Hafnium-Based Ferroelectric Tunnel Junctions Open
Ferroelectric Tunnel Junctions (FTJs) op- erating as memristors are promising electron devices to realize artificial synapses for neuromorphic computing. But the understanding of their operation requires an in-depth electrical characteriza…
View article: Driver Attention Assessment Using Physiological Measures from EEG, ECG, and EDA Signals
Driver Attention Assessment Using Physiological Measures from EEG, ECG, and EDA Signals Open
In this paper, we consider the evaluation of the mental attention state of individuals driving in a simulated environment. We tested a pool of subjects while driving on a highway and trying to overcome various obstacles placed along the co…
View article: Polarization switching and AC small-signal capacitance in Ferroelectric Tunnel Junctions
Polarization switching and AC small-signal capacitance in Ferroelectric Tunnel Junctions Open
We here report a joint experimental and simulation analysis for large signal P-V and AC small– signal C-V curves in ferroelectric tunnel junctions. The attempt to reproduce both experimental data sets with the same model and material param…
View article: Development of a Smart Chair Sensors System and Classification of Sitting Postures with Deep Learning Algorithms
Development of a Smart Chair Sensors System and Classification of Sitting Postures with Deep Learning Algorithms Open
Nowadays in modern societies, a sedentary lifestyle is almost inevitable for a majority of the population. Long hours of sitting, especially in wrong postures, may result in health complications. A smart chair with the capability to identi…
View article: Analysis of Physiological Signals for Stress Recognition with Different Car Handling Setups
Analysis of Physiological Signals for Stress Recognition with Different Car Handling Setups Open
When designing a car, the vehicle dynamics and handling are important aspects, as they can satisfy a purpose in professional racing, as well as contributing to driving pleasure and safety, real and perceived, in regular drivers. In this pa…
View article: Development of an EEG Headband for Stress Measurement on Driving Simulators
Development of an EEG Headband for Stress Measurement on Driving Simulators Open
In this paper, we designed from scratch, realized, and characterized a six-channel EEG wearable headband for the measurement of stress-related brain activity during driving. The headband transmits data over WiFi to a laptop, and the rechar…
View article: Exploring Physiological Signal Responses to Traffic-Related Stress in Simulated Driving
Exploring Physiological Signal Responses to Traffic-Related Stress in Simulated Driving Open
In this paper, we propose a relatively noninvasive system that can automatically assess the impact of traffic conditions on drivers. We analyze the physiological signals recorded from a set of individuals while driving in a simulated urban…
View article: Skin potential response for stress recognition in simulated urban driving
Skin potential response for stress recognition in simulated urban driving Open
In this paper, we address the problem of possible stress conditions arising in car drivers, thus affecting their driving performance. We apply various Machine Learning (ML) algorithms to analyse the stress of subjects while driving in an u…
View article: Simultaneous real-time assessment of sportive pilots' stress and performance related to vehicle behavior, during racing with the DIM professional simulator
Simultaneous real-time assessment of sportive pilots' stress and performance related to vehicle behavior, during racing with the DIM professional simulator Open
Background Sports motoring and racing imply high physical and psychological stress, during pre-competition phases and the competition itself. Therefore, there is growing interest of racing teams for new technologies providing real-time mon…
View article: Comparative assessment of drivers' stress induced by autonomous and manual driving with heart rate variability parameters and machine learning analysis of electrodermal activity
Comparative assessment of drivers' stress induced by autonomous and manual driving with heart rate variability parameters and machine learning analysis of electrodermal activity Open
Background Nowadays research on Autonomous Driving Systems (ADS) and attention towards novel technology allowing real-time assessment of car drivers' psycho-physiological status is growing, to quantify driver's stress during semi-autonomou…
View article: Stress Evaluation in Simulated Autonomous and Manual Driving through the Analysis of Skin Potential Response and Electrocardiogram Signals
Stress Evaluation in Simulated Autonomous and Manual Driving through the Analysis of Skin Potential Response and Electrocardiogram Signals Open
The evaluation of car drivers’ stress condition is gaining interest as research on Autonomous Driving Systems (ADS) progresses. The analysis of the stress response can be used to assess the acceptability of ADS and to compare the driving s…
View article: Wireless Sensors System for Stress Detection by Means of ECG and EDA Acquisition
Wireless Sensors System for Stress Detection by Means of ECG and EDA Acquisition Open
This paper describes the design of a two channels electrodermal activity (EDA) sensor and two channels electrocardiogram (ECG) sensor. The EDA sensors acquire data on the hands and transmit them to the ECG sensor with wireless WiFi communi…
View article: Supervised Learning Techniques for Stress Detection in Car Drivers
Supervised Learning Techniques for Stress Detection in Car Drivers Open
In this paper we propose the application of supervised learning techniques to recognize stress situations in drivers by analyzing their Skin Potential Response (SPR) and the Electrocardiogram (ECG). A sensing device is used to acquire the …
View article: A new method for accurate platelet thrombi volume measurement using a confocal microscope
A new method for accurate platelet thrombi volume measurement using a confocal microscope Open
The accuracy of quantitative measurements represents an essential pre-requisite to the characterization and definition of the complex dynamic phenomena occurring in the field of cell biology. In research projects that involve the induction…
View article: Dual channel electrodermal activity and an ECG wearable sensor to measure mental stress from the hands
Dual channel electrodermal activity and an ECG wearable sensor to measure mental stress from the hands Open
The paper describes the design and characterisation of a dual-channel electrodermal activity (EDA) and ECG sensor for acquiring data from the hands. The need for dual-channel data acquisition is due to the removal of motion artefacts that …
View article: Estimating the Volume of Unknown Inclusions in an Electrically Conducting Body with Voltage Measurements
Estimating the Volume of Unknown Inclusions in an Electrically Conducting Body with Voltage Measurements Open
We propose a novel technique to estimate the total volume of unknown insulating inclusions in an electrically conducting body from voltage measurements. Unlike conventional Electrical Impedance Tomography (EIT) systems that usually exhibit…
View article: Fast blood impedance measurements as quality indicators in the pre-analytical phase to prevent laboratory errors
Fast blood impedance measurements as quality indicators in the pre-analytical phase to prevent laboratory errors Open
In clinical laboratories the major quantity of errors regarding blood analyses occurs in the pre-analytical phase. Pre-analytical conditions are key necessary factors to maintain the high quality of specimens, to limit day-to-day and batch…
View article: Impedance biosensor for real-time monitoring and prediction of thrombotic individual profile in flowing blood
Impedance biosensor for real-time monitoring and prediction of thrombotic individual profile in flowing blood Open
A new biosensor for the real-time analysis of thrombus formation is reported. The fast and accurate monitoring of the individual thrombotic risk represents a challenge in cardiovascular diagnostics and in treatment of hemostatic diseases. …