Abstract
Handheld and wearable devices are becoming ubiquitous in our lives and augmented reality technology is stepping out of the laboratory environment and becoming ready to be used by anyone with portable devices. The success of augmented reality applications for pedestrians depends on different factors including a reliable guidance system and preventing risks. We show that different guidance systems can be supplementary to provide directions to a point of interest and offer clues that help the user find the augmented data when they get close to the location they have to visit. We tested the helpfulness of a map with the points of interest, an image preview of the next point of interest to visit, and an arrow showing the direction to it. The results show that the effectiveness of these guidance systems depend on the distance to the point of interest and the accuracy of the data obtained from the Global Positioning System. We also measured the total time that participants spent looking at the screen, as well as the perceived elapsed time as a measurement of real world dissociation. Finally, we discuss preliminary results to minimize the risk of accidents when using augmented reality applications in an outdoor urban environment.
Highlights
Augmented reality (AR) embeds computer-generated multimedia content into the real world [1, 2]
There were two binary independent variables that refer whether the image preview (ImagePreview) and the arrow widget (Arrow) were available, resulting on a 2 × 2 experimental design. 10 participants were allocated to each experimental condition, with no significant differences in age between groups
Participants were assigned to each experimental group alternately as soon as they arrived to the meeting point
Summary
Augmented reality (AR) embeds computer-generated multimedia content into the real world [1, 2]. Real world objects can be tracked with a camera and provide the coordinates to overlay virtual objects and visualize them as if they were part of the real environment. AR is becoming popular in outdoor environments thanks to the broad availability of handheld devices. There are several examples of applications that are designed to provide clues about the particular points in space the user needs to look at, for example [3,4,5]. We look at two important factors for the success of this type of applications. Guidance systems need to provide reliable clues, to make people get to the location, and provide clues about where to look at when near the location.
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