October 6, 2004
Modeling ADLs with Timed HMMs: Follow-up
Here are three graphs comparing the probability of seeing an object given an activity. This first one compares engaging in a leisure activity with making a snack. In this case there is little in common between the two profiles. As a result, the activities were never confused by the HMM model.
![leisureSnack.jpg](../../../archives/leisureSnack.jpg)
In contrast here are two examples in which the activities were confused. Notice the overlap in the observation profiles
![teethPA.jpg](../../../archives/teethPA.jpg)
![toiletWash.jpg](../../../archives/toiletWash.jpg)
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