Fig. 4From: Behavioural compass: animal behaviour recognition using magnetometersBehaviour Recognition Scheme. (a) Flowchart showing feature computation: meanRoll quantifies posture, meanAbsDiffRoll movement intensity, and avgDiffFftPeakPower periodicity. (b) Hierarchical classification scheme classifying behaviours as being either static or dynamic, then static behaviours as being either vigilance or resting, and finally dynamic behaviours as being either foraging or runningBack to article page