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Japan is facing two problems of aging population and declining birth rate, which lead to a scenario that the elderly are at home alone and no one takes care of them most of time. Therefore, there is need of developing the elderly care supporting systems. This paper presents a system for supporting the elderly at home in medicine management, medicine taking monitoring, and medicine taking assistance...
Due to home accidents occurring within the world's aging population, especially with the accidental stumble and falling of the elderly, mortality and morbidity from falls have become one of the major issues in the health care system. In most developed countries, most frequent stumbles and falls occur in and around the community or at home. A number of wearable devices integrated with accelerometers...
We have proposed a network based system for long-term recording pulse rate (PR), respiration rhythm (RR), and body movement (BM) detected by a sensor unit placed beneath a pillow during sleep from pressure variations corresponding to changes in the heartbeat and respiratory motion. In this research, we studied the analysis of the long-term monitored PR, RR, and BM during sleep recorded by this system...
Nowadays, Heart related diseases are on the rise. Cardiac arrest is quoted as the major contributor to sudden and unexpected death rate in the modern stress filled lifestyle around the globe. A system that warns the person about the onset of the disease earlier automatically will be a boon to the society. This is achievable by deploying advances in wireless technology to the existing patient monitoring...
This paper describes a medical IT platform based on Wireless Sensor Networks and e-textile which supports indoor location-aware services as well as monitoring physiological parameters, such as ECG, heart rate, body temperature, etc., from a group of patients within hospital facilities. The paper presents the architecture, system deployment and validation results based on local test as well as on a...
This works illustrates the LAURA system, which performs localization, tracking and monitoring of patients hosted at nursing institutes by exploiting a wireless sensor network based on the IEEE 801.15.4 (Zigbee) standard. We focus on the indoor personal localization module, which leverages a method based on received signal strength measurements, together with a particle filter to perform tracking of...
In this paper indoor wireless Infrared (IR) technology for healthcare monitoring is studied. Monitoring provides a continuous and reliable vital sign measurement to secure patient staying in the hospital. Considering that patient moving is inevitable, we focus on a mobile IR channel based on diffuse propagation. A model of mobile channel is developed through the study of statistical distributions...
This paper describes respiration monitoring during sleep using hetero-core fiber optic pressure sensors. The hetero-core fiber optic sensor has high sensitivity to macro-bending action as a result of the core diameter difference corresponding to the sensor portion due to stable single-mode transmission. Pressure sensors employing hetero-core fiber optics were fabricated to have a wide sensitivity...
There is presently considerable research interest in using wireless and mobile technologies in patient health monitoring particularly in hospitals and nursing homes. For health monitoring, an intelligent agent based hierarchical architecture has already been published by one of the authors of this paper. Also, the technique of monitoring and notifying the health of patients using an intelligent agent,...
Cardiovascular Disease (CVD) is one of the leading causes of death which underlie one third of the world's death. The online monitoring and early warning message to cardiovascular system might protect sudden heart disease and save human's life. Scientists have used various vital signs to detect and predict CVD, such as blood pressure (BP), electrocardiogram (ECG), sphygmogram (SPG) and pulse wave...
The paper suggests the methods for learning compact representation of the optimal decision policies in a Markov decision process (MDP) framework for sensor-network based human health monitoring systems. The learning of a small decision policy is key to deploying the model in small sensor nodes with limited memory. The decision process enables distributed sensor nodes to adapt their sampling rates...
The body area sensor network is widely regarded as a key technology that holds promise of enabling low-cost healthcare to be accessible to the fast growing aging sector of the population. The popularity of smartphones with their open operating systems provides a powerful platform for developing very low-cost personalized healthcare applications. In addition to the requirement of low cost, the limited...
The monitoring blood pressure at home is an important part of managing hypertension. We have developed a home healthcare system to monitor blood pressure. Our system has operated for about 1 year. In this study, we focused on blood pressure monitoring and discussed the motivation of subjects, and the importance of monitoring. We tested two different locations: one was a non-interventional location...
An ECG monitoring system comprised of six wearable textile-based electrodes is used to detect the ECG and sitting posture of vehicle drivers. The electrodes are washable, comfortable, sewed into ordinary shirt, and not connected with extra wires; as a result, they not only detect drivers' ECG while they move, but also prevent hindering their driving. While drivers change the sitting postures, different...
In this work, we present the concept, the architecture and the evaluation of the INTREPID system. INTREPID is an advanced monitoring system which optimally classifies an individual's emotional state based on 5 pre-defined emotional classes, (relaxed, neutral, startled, apprehensive and very apprehensive), through association of the information arising from specific biological signals (Blood Volume...
A wearable monitoring system for biker is presented, with textile-based clip type tension sensors on belt and pants to detect biker's breath and steps, respectively, and an accelerometer, together with clip type sensors to detect falling down and other biking conditions. The clip type sensors are fully made of textile, so they are washable, durable, low cost, easily installed on ordinary clothing,...
CHRONIOUS project contributions supports the design and the development of an open architecture monitoring platform aiming on the detailed description of patient's health status focusing on people with chronic diseases. Essential modules of the CHRONIOUS system are the wearable platform responsible for the collection of several vital body signs, environmental, context and patient's activity signals...
Children with cardiac arrhythmias constitute one of the most difficult problems in cardiology both in terms of diagnosis and management. In such cases continuous monitoring of ECG vital signs and environmental conditions can significantly improve the identification of a possible arrhythmia. In this study we present the design and development of a system which enables the continuous monitoring of children,...
This paper presents a novel implementation methodology of ISO/IEEE11073 standards for use in real monitoring platforms based on patterns paradigm. These monitoring platforms include several medical devices based on low voltage-low power microprocessors. As a proof of the concept, INTENSA project which aims to develop and evaluate a heart failure follow-up interoperable system including weigh scale,...
The main objective of this work is to perform an optimization methodology of the temporal parameters and operation thresholds (acceleration and energy) for the impact detection in an accelerometer smart sensor. The procedure is based on a sequential approach to values that improve the sensitivity and the specificity of the impact detection. It was fed in its execution with a set of experiments of...
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