Post on 23-Jan-2016
description
Copyright © 2007, UCD Dublin
School of Computer Science and InformaticsUCD Dublin Belfield, Dublin 4, Ireland
http://www.csi.ucd.ie/
ODCSSS Summer School, UCD, DCU
Using Colocation to Support Human Memory
Caitlin Lustig, Hristo Novatchkov,
Lucy E. Dunne, Mike McHugh,
and Lorcan Coyle
Using Colocation to Support Human Memory 2
Motivation
• short term memory loss• aging population or injury• helping people live independently in their homes
• technological solution?
• research themes• smart homes• wearable sensors• sensor technology
Using Colocation to Support Human Memory 3
Technology Requirements
• cheap
• easy to install
• low cognitive load
• ambient• must work implicitly
• comfortable
• maintain privacy
Using Colocation to Support Human Memory 4
Radio Frequency Identification
• commercially available technology• security, transport, asset tracking
• passive/active tags• magnetically induced • very short range (~5cm)• small tags - stickers
• static/mobile readers• reader is worn by the user• tags are embedded in the environment• less convenient for the user• cheaper, easier solution
Using Colocation to Support Human Memory 5
The RFID Glove
Using Colocation to Support Human Memory 6
The RFID Reader
Using Colocation to Support Human Memory 7
The Gumstix Computer
• Gumstix
• Linux OS
• serial ports
• WiFi
• CF Card
Using Colocation to Support Human Memory 8
The RFID Glove
Using Colocation to Support Human Memory 9
Application Scenarios
• detecting routine behaviour• interruptions
• reminding users to complete routine tasks• spot a routine in progress• issue a warning if the task was incomplete after a delay
• reminding users to take medicine• learning an activity model of medicine taking• ensuring that a policy is followed
Using Colocation to Support Human Memory 10
Evaluation
• placement of tags• hard to ensure good read• spout, bowl, plate, knife
• uncomfortable• too hot, too tight, too bulky, too delicate• impossible to make a fist properly
• battery life• very short• RFID reader - 100mA, Gumstix - much higher
Using Colocation to Support Human Memory 11
Future Work
• more complex and robust routine detector
• remembering where you left something• “where did I leave my car keys?”• colocation rather than location• “you last had them with your mobile”• “you last had them yesterday”
• alternative wearable solutions• pocket or purse RFID reader
Using Colocation to Support Human Memory 12
Conclusion
• working prototype that tackles the application scenarios
• simple small-scale evaluation
• prototype implementaion was poorly received• alternative to a glove?
• technology has merit• cheap• simple to use• works within limitations• private
Using Colocation to Support Human Memory 13
Questions/Discussion
Thank you for your attention.
Lorcan Coyle
Email: lorcan.coyle@ucd.ie
ODCSSS Website: http://odcsss.ie/
Project Wiki: https://secure.ucd.ie/twiki/bin/view/GumstixRFID/WebHome