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To classify motion as baseline, animal motion or human-related motion, we used short intervals of S = 15 seconds (corresponding to 6S = 90 frames) and we joined consecutive values of m^k into these intervals as follows Mr=[m^1+6S(r-1),m^6Sr],∀r∈{1,2,…}. (11) We described each interval Mr using five statistical parameters [18]: minimum (Mrmin), first quartile (Mrq1), median (Mrmed), third quartile (Mrq3) and maximum (Mrmax).
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