easy ADL Wearable Support System for Independent Life

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

Problem Description and General Approach • • • Activities of daily living (ADL) Behavioural patterns Sense of cause Sense of space Sense of time Memory Sense of quantity Sense of quality Mutual communication Social interaction

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

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

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