1. easyADL - Wearable Support System for Independent Life despite Dementia Dipak Surie Dept. of Computing Science Umeå University Swedendipak@cs.umu.se Two-year project Dept. of Geriatric Medicine, VRlab, and Dept. of Computing Science, Dept. of Geriatric Medicine, VRlab, and Dept. of Computing Science, Umeå University, Sweden Umeå University, Sweden

2. Problem Description and General Approach Activities of daily living (ADL)Activities of daily living (ADL) Behavioural patternsBehavioural patterns Sense of causeSense of cause Sense of spaceSense of space Sense of timeSense of time MemoryMemory Sense of quantitySense of quantity Sense of qualitySense of quality Mutual communicationMutual communication Social interactionSocial interaction

3. Simulation of Wearable Support System in Immersive Virtual-Reality Wearable Infrastructure Vs Infrastructure in the environmentWearable Infrastructure Vs Infrastructure in the environment Wearable hardware prototype development and evaluation...Wearable hardware prototype development and evaluation... Accelerate (design & re-design) prototype development processAccelerate (design & re-design) prototype development process Build prototypes ahead of technologyBuild prototypes ahead of technology Explore UBICOMP user interfacesExplore UBICOMP user interfaces Identify feasible sensor configurations and combination of computing algorithmsIdentify feasible sensor configurations and combination of computing algorithms Hardware Prototyping...

4. Multi-layer Architecture Clustering Layer Growing Neural Gas algorithm Clustering Layer Growing Neural Gas algorithm User Labelling Text, Picture, Audio Event TemplatesEvent Templates Feature Extraction Layer Feature Extraction Layer (Client) (Client) Activity Modeling Layer Hidden Markov Model(s) Activity Modeling Layer Hidden Markov Model(s) Classification Layer Event Templates Classification Layer Event Templates Feature Extraction Layer (Server) (Server) Sensing Layer Objects grabbed/released Left Hand & Right Hand movements Body posture

5. Scenario-based Analysis Virtual Reality Home Environment 3 ADL from AMPS Framework Preparing coffee and cakesPreparing coffee and cakes Having a coffee breakHaving a coffee break Hand washing the dishesHand washing the dishes Ethnographical Studies in Real Home Environment 15 ADL from AMPS Framework15 ADL from AMPS Framework Wearable audio & video recorder with bullet cameraWearable audio & video recorder with bullet camera Interviews with the subject and subject’s familyInterviews with the subject and subject’s family Initial prototype evaluation Initial prototype evaluation User-Environment Interaction User-Environment Interaction User’s state User’s state State of space surrounding the user State of space surrounding the user