Research Article
Collaborative Exploration with a Micro Aerial Vehicle: A Novel Interaction Method for Controlling a MAV with a Hand-Held Device
Figure 11
Images obtained by the MAV's camera that participants viewed while trying to read a line of the eye chart.   
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| | (a) Image from a task in which the participant successfully identified line 4 of the eye chart | 
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| | (b) Image from a task in which the participant successfully identified line 6 of the eye chart | 
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