Summary[edit] DescriptionAPI English: Short recording of a typical tracking session. The program tracks the location of the ant within a 40×40 pixels square centered around its location in the previous frame. Filtering and thresholding the background color yields a binary representation of this area, with white pixels corresponding to the ant and background speckles. A partition algorithm detects the largest spot, from which the centroid is extracted (red dot). Date 2013 Source Movie S2 from Khuong A, Lecheval V, Fournier R, Blanco S, Weitz S, Bezian J, Gautrais J (2013). "How Do Ants Make Sense of Gravity? A Boltzmann Walker Analysis of Lasius niger Trajectories on Various Inclines". PLOS ONE. DOI:10.1371/journal.pone.0076531. PMID 24204636. Author Khuong A, Lecheval V, Fournier R, Blanco S, Weitz S, Bezian J, Gautrais J Permission
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