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Figure 2 | BMC Geriatrics

Figure 2

From: The COACH prompting system to assist older adults with dementia through handwashing: An efficacy study

Figure 2

A flow diagram of COACH components. Images from the camera are translated into hand and towel positions by the tracking system. These are passed to the belief monitor, which calculates the probability distribution over the possible states. This belief state is passed to the policy, which selects an action for COACH to take (i.e. prompt, observe user, or call caregiver).

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