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Fig. 2 | International Journal of Behavioral Nutrition and Physical Activity

Fig. 2

From: ServAR: An augmented reality tool to guide the serving of food

Fig. 2

The ServAR tool. The tool comprised virtual objects consisting of the test food (e.g. green beans) in the reference portion size and an outline of the fiducial marker displayed on an iPad® Mini using the Zappar application. The iPad® Mini was fixed to a stand when used by the ServAR group during the main experimental study. Participants held the iPad® Mini during the usability activity in a manner similar to the demonstration in the figure

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