Niklas Elmqvist, Ph.D.


  
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Project Details

Hugin: A Toolkit for Mixed-Presence Collaborative Information Visualization - A novel toolkit for building mixed-presence collaborative visualization applications. (Participants: KyungTae Kim, Waqas Javed, Cary Williams, Niklas Elmqvist, Pourang Irani)
  • K. Kim, W. Javed, C. Williams, N. Elmqvist, P. Irani. Hugin: A Framework Awareness and Coordination in Mixed-Presence Collaborative Information Visualization. In Proceedings of the ACM Conference on Interactive Tabletops and Surfaces, pp. 231-240, 2010. [PDF] [YouTube] [SlideShare] [BibTeX] [Website]

Dynamic Insets for Context-Aware Graph Navigation - The use of automatic dynamic insets to improve context-aware graph navigation. (Participants: Sohaib Ghani, Nathalie Henry Riche, Niklas Elmqvist)
  • S. Ghani, N. Henry Riche, N. Elmqvist. Dynamic Insets for Context-Aware Graph Navigation. Computer Graphics Forum (Proc. EuroVis 2011), 30(3):861-870, 2011. [PDF] [YouTube] [SlideShare] [Website]

Improving Revisitation in Graphs through Static Spatial Features - Adding visual features to a node-link diagram to aid recall and revisitation. (Participants: Sohaib Ghani, Niklas Elmqvist)
  • S. Ghani, N. Elmqvist. Improving Revisitation in Graphs through Static Spatial Features. In Proceedings of Graphics Interface, pp. 175-182, 2011. [PDF] [SlideShare] [BibTeX] [Website]

Evaluating Physical/Virtual Occlusion Management Techniques for Horizontal Displays - Studying how we can deal with physical occlusion of virtual objects on tabletop displays. (Participants: Waqas Javed, KyungTae Kim, Sohaib Ghani, Niklas Elmqvist)
  • W. Javed, K. Kim, S. Ghani, N. Elmqvist. Evaluating Physical/Virtual Occlusion Management Techniques for Horizontal Displays. In Proceedings of INTERACT, pp. 391-408, 2011. [PDF] [BibTeX] [Website]

WordBridge: Using Composite Tag Clouds for Visualizing Text Corpora - Merging tag clouds into node-link diagrams to visualize relations in text corpora. (Participants: KyungTae Kim, Sungahn Ko, Niklas Elmqvist)
  • K. Kim, S. Ko, N. Elmqvist, D. Ebert. WordBridge: Using Composite Tag Clouds in Node-Link Diagrams for Visualizing Content and Relations in Text Corpora. In Proceedings of the Hawaii International Conference on System Sciences, pp. ., 2011. [PDF] [BibTeX] [Website]

Direct Manipulation Through Surrogate Objects - Promoting a hybrid between direct and indirect manipulation using surrogate objects. (Participants: Bum chul Kwon, Waqas Javed, Niklas Elmqvist, Ji Soo Yi)
  • B. Kwon, W. Javed, N. Elmqvist, J.-S. Yi. Direct Manipulation Through Surrogate Objects. In Proceedings of the ACM CHI Conference on Human Factors in Computing Systems, pp. 627-636, 2011. [PDF] [YouTube] [BibTeX] [Website]

Temporal Distortion for Animated Transitions - Evaluating timing policies for animated transitions. (Participants: Pierre Dragicevic, Anastasia Bezerianos, Waqas Javed, Niklas Elmqvist, Jean-Daniel Fekete)
  • P. Dragicevic, A. Bezerianos, W. Javed, N. Elmqvist, J.-D. Fekete. Temporal Distortion for Animated Transitions. In Proceedings of the ACM CHI Conference on Human Factors in Computing Systems, pp. 2009-2018, 2011. [PDF] [SlideShare] [BibTeX] [Website]

Graphical Perception of Multiple Time Series - Evaluation of graphical perception of different time series visualization techniques. (Participants: Waqas Javed, Niklas Elmqvist)
  • W. Javed, B. McDonnel, N. Elmqvist. Graphical Perception of Multiple Time Series. IEEE Transactions on Visualization and Computer Graphics (Proc. IEEE InfoVis 2010), 16(6):927-934, 2010. [PDF] [SlideShare] [BibTeX] [Website]

Color Lens: Adaptive Color Scale Optimization - An interaction technique for dynamically adapting the color scale to the contents of a limited region of interest. (Participants: Niklas Elmqvist, Pierre Dragicevic, Jean-Daniel Fekete)
  • N. Elmqvist, P. Dragicevic, J.-D. Fekete. Color Lens: Adaptive Color Scale Optimization for Visual Exploration. IEEE Transactions on Visualization and Computer Graphics, 17(6):795-807, 2011. [PDF] [YouTube] [Website]

GraphDice: A System for Exploring Multivariate Social Networks - Scatterplot matrix navigation for multivariate social networks. (Participants: Anastasia Bezerianos, Fanny Chevalier, Pierre Dragicevic, Niklas Elmqvist, Jean-Daniel Fekete)
  • A. Bezerianos, F. Chevalier, P. Dragicevic, N. Elmqvist, J.-D. Fekete. GraphDice: A System for Exploring Multivariate Social Networks. Computer Graphics Forum (Proc. EuroVis 2010), 29(3):863-872, 2010. [PDF] [AVI] [YouTube] [SlideShare] [BibTeX] [Website]

GPUs for Information Visualization - Exploring the use of GPU-accelerated shaders for information visualization research. (Participants: Bryan McDonnel, Niklas Elmqvist)
  • B. McDonnel, N. Elmqvist. Towards Utilizing GPUs in Information Visualization: A Model and Implementation of Image-Space Operations. IEEE Transactions on Visualization and Computer Graphics (Proc. InfoVis 2009), 15(6):1105-1112, 2009. [PDF] [YouTube] [SlideShare] [BibTeX] [Website]

Scatterplot Matrix Navigation for Multidimensional Visual Exploration - A method for visual exploration of large and multidimensional datasets by navigation in data dimension space using 2D scatterplots and a matrix of scatterplots. (Participants: Niklas Elmqvist, Pierre Dragicevic, Jean-Daniel Fekete)
  • N. Elmqvist, P. Dragicevic, J.-D. Fekete. Rolling the Dice: Multidimensional Visual Exploration using Scatterplot Matrix Navigation. IEEE Transactions on Visualization and Computer Graphics (Proc. InfoVis 2008), 14(6):1141-1148, 2008. (Best paper award) [PDF] [AVI] [YouTube] [SlideShare] [BibTeX] [Website]

Hierarchical Aggregation for Information Visualization - General techniques for coping with large-scale datasets by using multiscale visual representations of aggregation. (Participants: Niklas Elmqvist, Jean-Daniel Fekete)
  • N. Elmqvist, J.-D. Fekete. Hierarchical Aggregation for Information Visualization: Overview, Techniques and Design Guidelines. IEEE Transactions on Visualization and Computer Graphics, 16(3):439-454, 2010. [PDF] [BibTeX] [Website]

Zoomable Adjacency Matrix Explorer - A large-scale visualization system based on multiscale matrix representations of aggregated graph data. (Participants: Niklas Elmqvist, Thanh-Nghi Do, Howard Goodell, Nathalie Henry, Jean-Daniel Fekete)
  • N. Elmqvist, T.-N. Do, H. Goodell, N. Henry, J.-D. Fekete. ZAME: Interactive Large-Scale Graph Visualization. In Proceedings of the IEEE Pacific Visualization Symposium, pp. 215-222, 2008. [PDF] [YoUTube] [BibTeX] [Website]

TimeMatrix: Temporal Social Network Visualization - Aggregated matrix representations for temporally changing social networks. (Participants: Ji Soo Yi, Niklas Elmqvist, Seungyoon Lee)
  • J.-S. Yi, N. Elmqvist, S. Lee. TimeMatrix: Visualizing Temporal Social Networks Using Interactive Matrix-Based Visualizations. International Journal of Human-Computer Interaction, 26(11-12):1031-1051, 2010. [YouTube] [BibTeX] [Website]

Multi-Focus Interaction - The capability for multiple focus points showing surrounding and intervening context, as well as distance awareness. (Participants: Niklas Elmqvist)

    Melange: Space Folding for Multi-Focus Interaction - A 2D interaction technique for simultaneously showing multiple focus regions by folding intervening space into 3D. (Participants: Niklas Elmqvist, Jean-Daniel Fekete, Nathalie Henry-Riche, Yann Riche)
    • N. Elmqvist, N. Henry, Y. Riche, J.-D. Fekete. Mélange: Space Folding for Visual Exploration. IEEE Transactions on Visualization and Computer Graphics, 16(3):468-483, 2010. [PDF] [YouTube] [BibTeX] [Website]
    • N. Elmqvist, N. Henry, Y. Riche, J.-D. Fekete. Mélange: Space Folding for Multi-Focus Interaction. In Proceedings of the ACM CHI Conference on Human Factors in Computing Systems, pp. 1333-1342, 2008. [PDF] [YouTube] [SlideShare] [BibTeX] [Website]

    TraXplorer - A multi-focus interaction framework for temporal data visualization. (Participants: Waqas Javed, Niklas Elmqvist)
    • W. Javed, N. Elmqvist. Stack Zooming for Multi-Focus Interaction in Skewed-Aspect Visual Spaces. IEEE Transactions on Visualization and Computer Graphics, 19(8):1362-1374, 2013. [PDF] [BibTeX] [Website]
    • W. Javed, N. Elmqvist. Stack Zooming for Multi-Focus Interaction in Time-Series Data Visualization. In Proceedings of the IEEE Pacific Visualization Symposium, pp. 33-40, 2010. [PDF] [AVI] [PPT] [YouTube] [SlideShare] [BibTeX] [Website]

    PolyZoom: Multiscale and Multifocus Exploration in 2D Visual Spaces - A multi-focus interaction technique for exploring large multiscale 2D visual spaces. (Participants: Waqas Javed, Sohaib Ghani, Niklas Elmqvist)
    • W. Javed, S. Ghani, N. Elmqvist. PolyZoom: Multiscale and Multifocus Exploration in 2D Visual Spaces. In Proceedings of the ACM Conference on Human Factors in Computing Systems, pp. 287-296, 2012. [PDF] [Demo] [SlideShare] [YouTube] [BibTeX] [Website]

    Interaction Workspaces - Interaction workspaces for identity tracking in camera-based multitouch tabletops. (Participants: KyungTae Kim, Tejas Kulkarni, Niklas Elmqvist)
    • K. Kim, T. Kulkarni, N. Elmqvist. Interaction Workspaces: Identity Tracking for Multi-user Collaboration on Camera-based Multi-touch Tabletops. In Proceedings of the Workshop on Collaborative Visualization on Interactive Surfaces, pp. -, 2009. (workshop) [PDF] [Website]

    HCI@Play - Applying principles of human-computer interaction to improve human performance of mundane tasks in computer games. (Participants: Niklas Elmqvist)

      Semantic 3D Pointing - Semantic 3D pointing for improving target acquisition and object picking in 3D environments. (Participants: Niklas Elmqvist, Jean-Daniel Fekete)
      • N. Elmqvist, J.-D. Fekete. Semantic Pointing for Object Picking in Complex 3D Environments. In Proceedings of Graphics Interface, pp. 243-250, 2008. [PDF] [AVI] [YouTube] [BibTeX] [Website]

      Visualization for Games - A survey of the theory, design space, and patterns for visualization in electronic games. (Participants: Brian Bowman, Niklas Elmqvist, T.J. Jankun-Kelly)
      • B. Bowman, N. Elmqvist, T. Jankun-Kelly. Toward Visualization for Games: Theory, Design Space, and Patterns. IEEE Transactions on Visualization and Computer Graphics, 18(11):1956-1968, 2012. [PDF] [BibTeX] [Website]

      DataMeadow: A Visual Canvas for Analysis of Large-Scale Multivariate Data - Structured starplot parallel coordinate displays using a data flow model and dynamic query axis filtering for visual analytics. (Participants: Niklas Elmqvist, John Stasko, Philippas Tsigas)
      • N. Elmqvist, J. Stasko, P. Tsigas. DataMeadow: A Visual Canvas for Analysis of Large-Scale Multivariate Data. Information Visualization, 7(1):18-33, 2008. [AVI] [YouTube] [BibTeX] [Website]
      • N. Elmqvist, J. Stasko, P. Tsigas. DataMeadow: A Visual Canvas for Analysis of Large-Scale Multivariate Data. In Proceedings of the IEEE Symposium on Visual Analytics Science and Technology, pp. 187-194, 2007. [PDF] [AVI] [PPT] [YouTube] [SlideShare] [BibTeX] [Website]

      Motion-Pointing: Target Selection using Elliptical Motions - A gaze-free, cursor-free selection technique based on matching motions from a grammar of elliptical paths. (Participants: Jean-Daniel Fekete, Niklas Elmqvist, Yves Guiard)
      • J.-D. Fekete, N. Elmqvist, Y. Guiard. Motion-Pointing: Target Selection using Elliptical Motions. In Proceedings of the ACM CHI Conference on Human Factors in Computing Systems, pp. 289-298, 2009. [PDF] [BibTeX] [Website]

      3D Occlusion Management - Techniques for intelligent management of 3D views to minimize the impact of occlusion on visualization in 3D environments. (Participants: Niklas Elmqvist)
      • N. Elmqvist, P. Tsigas. A Taxonomy of 3D Occlusion Management for Visualization. IEEE Transactions on Visualization and Computer Graphics, 14(5):1095-1109, 2008. [PDF] [BibTeX] [Website]
      • N. Elmqvist, P. Tsigas. A Taxonomy of 3D Occlusion Management Techniques. In Proceedings of the IEEE Conference on Virtual Reality, pp. 51-58, 2007. [PDF] [BibTeX] [Website]

      Image-Space Dynamic Transparency - Image-space algorithm and implementation for real-time virtual X-Ray vision, as well as a user study showing its benefit for discovery and access in 3D environments. (Participants: Niklas Elmqvist, Ulf Assarsson, Philippas Tsigas)
      • N. Elmqvist, U. Assarsson, P. Tsigas. Dynamic Transparency for 3D Visualization: Design and Evaluation. International Journal of Virtual Reality, 8(1):65-78, 2009. [PDF] [YouTube] [BibTeX] [Website]
      • N. Elmqvist, U. Assarsson, P. Tsigas. Employing Dynamic Transparency for 3D Occlusion Management: Design Issues and Evaluation. In Proceedings of INTERACT, pp. 532-545, 2007. [PDF] [YouTube] [SlideShare] [BibTeX] [Website]

      Interactive 3D Space Distortion (BalloonProbe) - Using an interactive 3D force field for object displacement to facilitate target separation and distractor removal. (Participants: Niklas Elmqvist, Mihail Eduard Tudoreanu)
      • N. Elmqvist, M. Tudoreanu. Occlusion Management in Immersive and Desktop 3D Virtual Environments: Theory and Evaluation. International Journal of Virtual Reality, 6(2):21-32, 2007. (Best paper award) [PDF] [YouTube] [BibTeX] [Website]
      • N. Elmqvist, M. Tudoreanu. Evaluating the Effectiveness of Occlusion Reduction Techniques for 3D Virtual Environments. In Proceedings of the ACM Symposium on Virtual Reality Software and Technology, pp. 9-18, 2006. [PDF] [YouTube] [BibTeX] [Website]
      • N. Elmqvist. BalloonProbe: Reducing Occlusion in 3D using Interactive Space Distortion. In Proceedings of the ACM Symposium on Virtual Reality Software and Technology, pp. 134-137, 2005. [PDF] [YouTube] [BibTeX] [Website]

      View-Projection Animation - Interaction technique for smooth and interactive animation of the 3D view projection matrix to facilitate active occlusion management. (Participants: Niklas Elmqvist, Philippas Tsigas)
      • N. Elmqvist, P. Tsigas. View-Projection Animation for 3D Occlusion Management. Computers & Graphics, 31(6):864-876, 2007. [PDF] [BibTeX] [Website]
      • N. Elmqvist, P. Tsigas. View Projection Animation for Occlusion Reduction. In Proceedings of the ACM Conference on Advanced Visual Interfaces, pp. 471-475, 2006. [PDF] [BibTeX] [Website]

      3D Navigation Guidance - Computer-supported interactive navigation of 3D environments using a precomputed grand tour to facilitate quick familiarization of the environment. (Participants: Niklas Elmqvist, Philippas Tsigas, Mihail Eduard Tudoreanu)
      • N. Elmqvist, M. Tudoreanu, P. Tsigas. Evaluating Motion Constraints for 3D Wayfinding in Immersive and Desktop Virtual Environments. In Proceedings of the ACM CHI Conference on Human Factors in Computing Systems, pp. 1769-1778, 2008. [PDF] [YouTube] [SlideShare] [BibTeX] [Website]
      • N. Elmqvist, M. Tudoreanu, P. Tsigas. Tour Generation for Exploration of 3D Virtual Environments. In Proceedings of the ACM Symposium on Virtual Reality Software and Technology, pp. 207-210, 2007. [PDF] [YouTube] [BibTeX] [Website]

      Visualization of Scientific Citation Networks (CiteWiz) - Visualization of citation networks in scientific communities using causality visualization techniques, interactive timelines, and concept maps. (Participants: Niklas Elmqvist, Philippas Tsigas)
      • N. Elmqvist, P. Tsigas. CiteWiz: A Tool for the Visualization of Scientific Citation Networks. Information Visualization, 6(3):215-232, 2007. [BibTeX] [Website]

      3DVN: A Mixed Reality for Mobile Navigation Assistance - A Mixed Reality system built on top of a Xybernaut wearable computer for aiding navigation in a real-world building. (Participants: Niklas Elmqvist, Morten Fjeld)
      • N. Elmqvist, M. Fjeld et al. 3DVN: A Mixed Reality Platform for Mobile Navigation Assistance. In Mobile Spatial Interaction workshop at CHI 2007, pp. -, 2007. (poster) [Website]

      Causality Visualization - Information visualization techniques for representing time-series data of causally related events using color, texture, and animation (the Growing Squares and Growing Polygons techniques). (Participants: Niklas Elmqvist, Philippas Tsigas)
      • N. Elmqvist, P. Tsigas. Animated Visualization of Causal Relations Through Growing 2D Geometry. Information Visualization, 3(3):154-172, 2004. [PDF] [BibTeX] [Website]
      • N. Elmqvist, P. Tsigas. Causality Visualization Using Animated Growing Polygons. In Proceedings of the IEEE Symposium on Information Visualization, pp. 189-196, 2003. [PDF] [BibTeX] [Website]
      • N. Elmqvist, P. Tsigas. Growing Squares: Animated Visualization of Causal Relations. In Proceedings of the ACM Symposium on Software Visualization, pp. 17-26, 2003. [PDF] [BibTeX] [Website]

      Trust Visualization for Internet Security Situational Awareness - Applying 3D information visualization to provide concrete visual metaphors of security for novice- and intermediate-level computer users. (Participants: Niklas Elmqvist, Philippas Tsigas)
      • N. Elmqvist, P. Tsigas. TrustNeighborhoods: Visualizing Trust in Distributed File Systems. In Proceedings of the Eurographics/IEEE VGTC Symposium on Visualization, pp. 107-114, 2007. [PDF] [BibTeX] [Website]
      • N. Elmqvist, P. Tsigas. TrustNeighborhoods in a Nutshell. In Proceedings of the ACM Symposium on Software Visualization, pp. 189-190, 2006. (poster) [PDF] [BibTeX] [Website]