Unrestrained Measurement of Arm Motion Based on a Wearable Wireless Sensor Network. - Guo Xiong Lee; Kay Soon Low; Tawfiq Taher (IEEE Trans. Instrum. Meas., 2010)

A Factorized Quaternion Approach to Determine the Arm Motions Using Triaxial Accelerometers With Anatomical and Sensor Constraints. - Guo Xiong Lee; Kay Soon Low (IEEE Trans. Instrum. Meas., 2012)