Patent US 9,681,827

A computer-implemented method for recognizing a user's activity pattern includes pre-storing activity data in a computer system, automatically determining locations of one or more sensors on a user's body, obtaining time series of measured activity parameters by the one or more sensors, automatically segmenting the time series of measured activity parameters into two or more activity periods, determining a spatial range of the movement in an activity period, and recognizing an activity in the activity period based at least in part on the measured activity parameters and the pre-stored activity data.