Evaluation of artificial neural network algorithms for predicting METs and activity type from accelerometer data: validation on an independent sample.
Freedson PS, Lyden K, Kozey-Keadle S, Staudenmayer J. Evaluation of artificial neural network algorithms for predicting METs and activity type from accelerometer data: validation on an independent sample. J Appl Physiol (1985). 2011 Dec; 111(6):1804-12.