Hyunyoung Song
Personal Homepage:
http://www.cs.umd.edu/~hsong
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Publications by Hyunyoung Song (bibliography)
» 2009 «
Song, Hyunyoung, Grossman, Tovi, Fitzmaurice, George W., Guimbretiere, Francois, Khan, Azam, Attar, Ramtin and Kurtenbach, Gordon (2009): PenLight: combining a mobile projector and a digital pen for dynamic visual overlay. In: Proceedings of ACM CHI 2009 Conference on Human Factors in Computing Systems 2009. pp. 143-152. Available online
Digital pen systems, originally designed to digitize annotations made on physical paper, are evolving to permit a wider variety of applications. Although the type and quality of pen feedback (e.g., haptic, audio, and visual) have a huge impact on advancing the digital pen technology, dynamic visual feedback has yet to be fully investigated. In parallel, miniature projectors are an emerging technology with the potential to enhance visual feedback for small mobile computing devices. In this paper we present the PenLight system, which is a testbed to explore the interaction design space and its accompanying interaction techniques in a digital pen embedded with a spatially-aware miniature projector. Using our prototype, that simulates a miniature projection (via a standard video projector), we visually augment paper documents, giving the user immediate access to additional information and computational tools. We also show how virtual ink can be managed in single and multi-user environments to aid collaboration and data management. User evaluation with professional architects indicated promise of our proposed techniques and their potential utility in the paper-intensive domain of architecture.
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» 2007 «
Song, Hyunyoung, Guimbretiere, Francois, Ambrose, Michael A. and Lostritto, Carl (2007): CubeExplorer: An Evaluation of Interaction Techniques in Architectural Education. In: Baranauskas, Maria Cecília Calani, Palanque, Philippe A., Abascal, Julio and Barbosa, Simone Diniz Junqueira (eds.) DEGAS 2007 - Proceedings of the 1st International Workshop on Design and Evaluation of e-Government Applications and Services September 11th, 2007, Rio de Janeiro, Brazil. pp. 43-56. Available online
» 2006 «
White, Ryen W., Song, Hyunyoung and Liu, Jay (2006): Concept maps to support oral history search and use. In: JCDL06: Proceedings of the 6th ACM/IEEE-CS Joint Conference on Digital Libraries 2006. pp. 192-193. Available online
In this paper we describe a novel technique to support information seeking in oral history archives using concept maps. We conducted a pilot study with teachers engaged in work tasks using a prototype concept mapping tool. Results suggest that concept maps can help searchers, especially when tasks are complex.
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Song, Hyunyoung, Guimbretiere, Francois, Hu, Chang and Lipson, Hod (2006): ModelCraft: capturing freehand annotations and edits on physical 3D models. In: Proceedings of the ACM Symposium on User Interface Software and Technology 2006. pp. 13-22. Available online
With the availability of affordable new desktop fabrication techniques such as 3D printing and laser cutting, physical models are used increasingly often during the architectural and industrial design cycle. Models can easily be annotated to capture comments, edits and other forms of feedback. Unfortunately, these annotations remain in the physical world and cannot be easily transferred back to the digital world. Here we present a simple solution to this problem based on a tracking pattern printed on the surface of each model. Our solution is inexpensive, requires no tracking infrastructure or per object calibration, and can be used in the field without a computer nearby. It lets users not only capture annotations, but also edit the model using a simple yet versatile command system. Once captured, annotations and edits are merged into the original CAD models. There they can be easily edited or further refined. We present the design of a SolidWorks plug-in implementing this concept, and report initial feedback from potential users using our prototype. We also present how this prototype could be extended seamlessly to a fully functional system using current 3D printing technology.
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Mar 21st, 2010
Changes to this page (author)
16 Feb 2010: Enabled abstracts to be shown on Hyunyoung Song's author page.31 Aug 2009: Page was edited25 Jul 2009: Author was edited
09 May 2009: Author was edited
12 May 2008: Author was edited
24 Jul 2007: Author was edited
24 Jun 2007: Author was added to the bibliography