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In this talk, Prof. Paradiso will describe recent wearable sensor systems that they have developed for applications ranging from sports medicine to social computing, and discuss approaches being explored to extend human perception via distributed sensor networks. Technical issues that he will introduce involve adaptive energy management and power harvesting in wearable systems.
A wearable BSN-based ECG-recording system is proposed for long-term and continuous arrhythmia monitoring. A novel micromachined Pt electrode is specifically designed, fabricated and integrated into a wearable chest band. A miniaturized PCB for ECG analog front-end is fabricated, and can be plugged on the BSN node to wirelessly transmit the signal to a hand-held device. Wavelet denoising is implemented...
We present a wearable health system (WHS) for non-invasive and wireless monitoring of physiological signals. The system is made as an electronic patch where sensors, low power electronics, and radio communication are integrated in an adhesive material of hydrocolloid polymer making it a sticking patch. The patch is made with a reusable part and a disposable part which contains the adhesive material...
In this paper we describe the use of textile, multi electrode capacitive on body sensing for contact less detection of simple control gestures. The work is motivated by a hospital ward rounds scenario of the in European Union sponsored WearIT@Work project. The focus of this work is not on human computer interface aspects but on the design, implementation, and evaluation of the sensing system and in...
Textile based devices for biochemical analysis of body fluids represent a new development in the area of wearable sensors. This paper outlines the development of a fluid handling system and wireless sensors for the real-time analysis of sweat pH and sodium levels during exercise. Liquid is drawn into the system using a moisture wicking material and passive pump. The sensor then displays pH induced...
The increase percentage of ageing population in the world, specifically western Europe and United States, is pushing academical and industrial researchers and developers to source out and provide efficient and reliable technologies for healthcare applications such as remote monitoring and drug-delivery. The paper presents transient characterisation of UWB body-worn antennas and on-body radio propagation...
Studies of ECG time-series properties and complexities are significant part of the research on the possibilities to automate ECG classification by a wearable body computer. Numerous statistical measures, as well as more recently introduced non-linear and complexity measures provide the basis for signal classification, prediction of events, and discovery of underlying systems and models expressing...
In this investigation we have implemented a wireless biosignal monitoring system for the real-time electrocardiogram (ECG) and the motion measurements, based on the latest wireless sensor network technology. We utilize the TinyOS 2.0.x operating system for providing services such as sensing, computing and wireless communication. We position one node on a belt worn by a subject for detecting the ECG,...
In recent years, there have been increasing interests in context aware sensing based upon ultra-low power wearable sensors. These applications require efficient processing-on-node capabilities to minimise the overall power consumption and wireless transmission bandwidths. In this paper, a novel reconfigurable mixed-signal ASIC designed for real-time activity recognition has been proposed. The system...
Through the use of micro-sensors a new phase of research, in which devices are becoming continuously smaller, has emerged. Such technology has been proposed as a pervasive solution to continuously monitor the physiological conditions of the body but depends on the ease of its use, that is, the job of the device would be to work without being noticed by the user. The miniaturization of sensor components...
A wearable monitoring system with multiple physiological parameter is studied in this paper. It is a physiological monitoring terminal of Home Assistant Robot. Non-invasive monitoring technology is used in this system. The details of ECG monitoring, blood pressure monitoring, blood glucose monitoring and temperature monitoring are discussed in this paper. This system is for home application. It is...
In this paper, we present a simple approach for implementing a pulse analyzer for devices with limited computational power, such as mobile and wearable computers. The main purpose of this system is to continuously monitor the ECG of a person and detect any possible heart abnormalities. The idea is to break the required computation in two parts. The learning and model building part that requires high...
This paper presented an efficient QRS detection algorithm for wearable ECG devices used in body sensor network. The algorithm is based on interpolated finite impulse response filter and an approximated envelope to remove motion artifact in ECG signals captured from wearable devices. Evaluation of the performance was based on both MIT-BIH ECG database and ECG signals from wearable devices. It is shown...
Miniaturization of electrocardiograph (ECG) monitoring devices has received much attention due to the growing emphasis on healthcare. In this paper, we present a wearable wireless ECG monitoring device, ECG Plaster. A description of design considerations with regards to the constituents of the device is provided, together with its implementation on a small size board measuring 55 by 23 mm, to ensure...
This paper presents an inferring and training architecture for the long-term and continuously monitoring daily activities using a wearable body sensor network. Energy efficiency and system adaptation to subjects are two of the most important requirements of a body sensor network. This paper proposes a two-layered hidden Markov model (HMM) architecture for in-network data processing to achieve energy...
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