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Can We Interpret the Depth?: Evaluating Variation in Stereoscopic Depth for Encoding Aspects of Non-Spatial Data

Published: 23 October 2016 Publication History

Abstract

Rendering a 2D node-link representation on a stereoscopic platform supports the idea of having a natural focus+context interaction. In this case, stereoscopic depth can be used to encode the different levels of detail in compound graphs, especially for highlighting the structural relations. We propose an approach that provides a novel interactive operation for expanding or contracting nodes in compound graphs to align these nodes in the 3D space with minimum occlusion, such that the children levels are rendered in a plane closer to the viewer than the parent node. Different visual cues can also be used together to encode other data aspects, e.g., color for encoding node status or shape for encoding node type. The focus of this paper is on a controlled user study that we conducted with 30 participants to evaluate the approach using different configurations. The aim of the study was to understand the viewers' ability of detecting the variation in stereoscopic depth as well as the influence of graph size and the transparency on this ability in terms of accuracy and efficiency. Further, we were interested to measure the participants' acceptance towards our approach of using the stereoscopic depth as a cue for compound graphs. The study results show that stereoscopic depth can be used to encode data aspects of compound graphs under certain circumstances.

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  • (2024)A Systematic Literature Review of User Evaluation in Immersive AnalyticsComputer Graphics Forum10.1111/cgf.1511143:3Online publication date: 10-Jun-2024
  • (2019)VizTract: Visualization of Complex Social Networks for Easy User PerceptionBig Data and Cognitive Computing10.3390/bdcc30100173:1(17)Online publication date: 21-Feb-2019

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  1. Can We Interpret the Depth?: Evaluating Variation in Stereoscopic Depth for Encoding Aspects of Non-Spatial Data

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        NordiCHI '16: Proceedings of the 9th Nordic Conference on Human-Computer Interaction
        October 2016
        1045 pages
        ISBN:9781450347631
        DOI:10.1145/2971485
        Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than the author(s) must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected].

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        Published: 23 October 2016

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        Author Tags

        1. Compound graphs
        2. depth cue
        3. focus+context interaction technique
        4. stereoscopic displays
        5. user evaluation study

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        NordiCHI '16 Paper Acceptance Rate 58 of 231 submissions, 25%;
        Overall Acceptance Rate 379 of 1,572 submissions, 24%

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        View all
        • (2024)A Systematic Literature Review of User Evaluation in Immersive AnalyticsComputer Graphics Forum10.1111/cgf.1511143:3Online publication date: 10-Jun-2024
        • (2019)VizTract: Visualization of Complex Social Networks for Easy User PerceptionBig Data and Cognitive Computing10.3390/bdcc30100173:1(17)Online publication date: 21-Feb-2019

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