Optimum gravity vector and vertical acceleration estimation using a tri-axial accelerometer for falls and normal activities. - Alan K. Bourke; Karol O'Donovan; Amanda Clifford; Gearóid Ó Laighin; John Nelson (EMBC, 2011)

Real-time joint angle measurement using the Shimmer wireless sensor platform. - Karol O'Donovan; Steve Ayer (mHealthSys@SenSys, 2011)