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Figure 2 | EURASIP Journal on Image and Video Processing

Figure 2

From: A two-fly tracker that solves occlusions by dynamic programming: computational analysis of Drosophila courtship behaviour

Figure 2

Schematic overview of Postprocessor and AnnotationTool. Postprocessor (green shape): (a) distHeadTail, distance between flies Head and other flies Tail; (b) nArea and nwArea, size of body area respective wing area; (c) flyLen, MajorAxislength of fitting ellipse and distance between Head and Tail; (d) Eccentricity, measure for roundness depending on relation between MajorAxisLength and MinorAxisLength of covering ellipses; (e) minDist, shortest of five depicted distances; (f) distance, distance between the flies centers-of-gravity; (g) hrndirectednessR5, combined measure of orientation angle and distance; and (h) nAngleHeadHead, angle between fly and other flies’ Head. (i) Screenshot of AnnotationTool (blue shape). Data panels for attribute visualizations on top, machine-annotated video panels, below.

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