Ragaad AlTarawneh, Jens Bauer, Shah Rukh Humayoun, Patric Keller, and Achim Ebert
Information Visualization, Virtual Reality, Stereoscopic Devices, Stereoscopic Highlighting
The stereoscopic highlighting technique is a new emerging technique that supports using the depth cue in 3D devices as a highlighting technique for general node-link representations. One of the main abilities of this technique is isolating the specific graph portions to magnify them for a detailed exploration without resorting other highlighting attributes such as color or shape. In this paper, we measure the accuracy of this technique by evaluating the ability of general users in reading the variation of depth values to encode some data aspects. To achieve this goal, we carried out a controlled user-study in which we asked users from different backgrounds to perform a specified set of tasks. The results show that using the depth cue in stereoscopic devices is readable for medium data sizes with at most three or four different layers. This can be useful in classifying the data set into a set of categories according to the depth value of the elemental layer.
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