Unsupervised Videographic Analysis of Rodent Behaviour
Animal behaviour is complex and the amount of data in the form of video, if extracted, is copious. Manual analysis of behaviour is massively limited by two insurmountable obstacles, the complexity of the behavioural patterns and human bias. Automated visual analysis has the potential to eliminate both of these issues and also enable continuous analysis allowing a much higher bandwidth of data collection which is vital to capture complex behaviour at many different time scales. Behaviour is not confined to a finite set modules and thus we can only model it by inferring the generative distribution. In this way unpredictable, anomalous behaviour may be considered. Here we present a method of unsupervised behavioural analysis from nothing but high definition video recordings taken from a single, fixed perspective. We demonstrate that the identification of stereotyped rodent behaviour can be extracted in this way.
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