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. 2015 Sep 2;10(9):e0136487. doi: 10.1371/journal.pone.0136487

Fig 4. Validation of the BEEtag system in bumblebees (Bombus impatiens).

Fig 4

(A-E, G-I) Spatial position over time for 8 individual bees, and (F) for all identified bees at the same time. Colors show the tracks of individual bees, and lines connect points where bees were identified in subsequent frames. (J) A sample raw image and (K-L) inlays demonstrating the complex background in the bumblebee nest. (M) Portion of tags identified vs. threshold value for individual pictures (blue lines) and averaged across all pictures (red line).