Figure 10From: Detecting and tracking honeybees in 3D at the beehive entrance using stereo vision Size/depth relation of a target. The relation for over 50,000 segmented targets between the major ellipse axis (size of the target) and the depth. The histogram shows the number of bees per depth unit. The thin plain curves represent the length of the median axis for the given target sample. The thick and the dashed curves correspond to the estimated models of the relation between axis length and depth, and depth standard deviation, respectively.Back to article page