on-body health data aggregation using mobile phones
DESCRIPTION
On-body health data aggregation using mobile phones. by Lama Nachman , Jonathan Huang, Raymond Kong, Rahul Shah,Junaith Shahabdeen. Topics Covered. Introduction Hardware –Sensors and mobile device System Architecture Advantages of the System Applications Questions. - PowerPoint PPT PresentationTRANSCRIPT
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On-body health data aggregation using mobile phones
by Lama Nachman, Jonathan Huang, Raymond Kong,
Rahul Shah,Junaith Shahabdeen
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Topics CoveredIntroductionHardware –Sensors and mobile
deviceSystem ArchitectureAdvantages of the SystemApplicationsQuestions
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Pervasive Health MonitoringThe notion of pervasive health monitoring
presents us with a paradigm shift from the traditional event-driven model (i.e. go to doctor when sick) to one where we are continuously monitoring a person’s “well-being” through the use of bio-sensors, smart-home technologies, and information networks. This allows us to be more proactive in heath maintenance, as well as allowing the health care provider to make more informed decisions with a greater wealth of accurate data.
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Wireless health monitoring in a Smart Environment
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System Architecture
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System ComponentsSensors Collect physiological data from the body, filter and
communicate to mobile device using BlueToothMobile Device The data is stored and displayed on the phone and
periodically pushed to the backend serverBackend ServerThe health data is stored in SQL server and constantly
monitored by professionals.On-demand GUI This service is used so that health data is shared
among friends in collaborative settings
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Sensors
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Mobile phoneSensor ControllerGraphical user interfaceSQL mobile data base
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Hardware
Mobile phone and PDA devices such as HTC’s imate, KJAM or Dell PDA are used for on-body aggregator
Why to choose these devices??? Open system ,run some version of Windows
OS and provide a good IDE for application development
Body communication capability via Bluetooth and backend communication via GPRS
Friendly user interfaceStorage Capabilites
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Sensor Controller
Maintaining wireless connection with on-body sensors
Storing the information in the databaseInterpret and process data from specific sensorsSeparate data processing modules are added to
compute the data
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SQL Mobile databaseGeneric Schema to support all different
sensorsAccess layer to pull the common functionality
and simplify the data baseReplication mechanism to support periodic
synchronization of sensor data
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Graphical User InterfaceRetrieves and display the latest scalar data
from the databaseAllow the user to configure the sensing
devicesManipulate some of the operating
parameters of aggregatorWeb ServiceThis service is used by external GUIs to display
the sensed data on connected PCs
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Sensors developed by Berkley Institute of design
Small, chest worn (24h/day)Capable of measuring many health-related parametersBluetooth enabled Removeable FAT16 filesystem for local data storage (transflash) Ability to do detect acute events and act on them
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Front Side Back Side
Sensors developed by Berkley Institute of Design
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How UWB ECG sensor work ?
Block diagram of the proposed fully integrated UWB radar for the detection of heart and breath rates.
From Pervasive Health Care Services andTechnologies
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Analysis of ECG data
From Pervasive Health Care Services andTechnologies
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EMG/GSR “Stress” Detection •Measures muscle tension (EMG) on back which is indicative of “stress”•Measures “skin resistance” (GSR) which varies with the involuntary production of sweat as a result of stress/emotion
From Berkley Institute of design technical paper
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Parameters Monitored
Pulse Oximetry •Measure percentage of blood oxygenation •Correlate with breathing and heart beating•Detect hypo/hyper volemia•Detect range of cardiac problems
3-Axis Accelerometer•Orientation (i.e. Sleeping on back vs. standing)•Activity levels (sedentary or jogging)•Detect acute event (Falling)
From Berkley Institute of design technical paper
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Advantages• Use of Bluetooth which is very ubiquitous• Separation of manageability and
connectivity of the communication from sensor data format
• Generic database• Annotation of the data• Collaboration among user• Local display of sensed data
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Applications• Continuous monitoring of elderly• Detect acute events (i.e. fall)• Detect transient events (i.e. temporary heart problems)• Long term health maintenance• Create portal to allow relatives/friends to monitor relatives
• Diagnostic tool for developing regions• Monitor many parameters, send data to remote physicians
for diagnosis• Commercial applications • End-Consumer self-monitoring (trending/exercise)• “Un-tether” patient in hospital setting• Help physicians with better diagnosis
• Research Applications• Investigate parameters (i.e. stress as a function of exercise)• Long term monitoring during drug trials
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ReferencesDevelopment of the portable monitoring
system based on Wireless Body Area Sensor Network for continuous acquisition and measurement of the vital sign
Pervasive Healthcare and Wireless Health Monitoring
Ubiquitous Monitoring Environment for Wearable and Implantable Sensors (UbiMon)
Wireless Sensor Networks for Personal Health Monitoring :Issues and an Implementation
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Questions ???